Service parts for the 6068
Grouped by system, with how many of each the parts manual calls for.
Oil system
1 requiredPrices captured from merchant listings; some links are affiliate links. Confirm against your serial number before ordering.
Specifications
| Standby power | 250 kW |
|---|
Maintenance & consumables
| Item | Spec | Capacity | Part # | Interval | |
|---|---|---|---|---|---|
| Oil filter | Oil Filter | RE504836 | Amazon eBay $44.99 NAPA $28.76 FridayParts $20.99 |
Service intervals
40| Item | Action | Hours | Months | Notes |
|---|---|---|---|---|
| Fire Extinguisher | Other | 100 hr | Service | |
| PTO Clutch Shaft Bearing | Lubricate | 100 hr | ||
| PTO clutch shaft bearings | Lubricate | 100 hr | One or two shots of John Deere Multipurpose Lubricant; shaft fittings lubricated at 600 Hours/1-Year | |
| Battery | Other | 250 hr | Service | |
| Dosing element (jet fuel capable engines) | Replace | 250 hr | 12 mo | |
| Engine oil and oil filter (jet fuel capable engines) | Change | 250 hr | 12 mo | |
| Fan and alternator V-belt tension | Check | 250 hr | On engines with dual belts, check tension of front belt only | |
| Fuel filter elements (jet fuel capable engines) | Replace | 250 hr | 12 mo | |
| PTO clutch adjustment | Check | 250 hr | Measure clutch engagement force at handle grip | |
| V-Belt Tension | Check | 250 hr | ||
| Engine valve clearance | Adjust | 2000 hr | 24 mo | First service — Initial valve clearance adjustment after first 400 hours of operation on new or rebuilt engines |
| Air Intake Hoses, Connections, & System | Check | 500 hr | 12 mo | |
| Air intake hoses, connections, and system | Check | 500 hr | 12 mo | |
| Automatic belt tensioner and belt wear | Check | 500 hr | 12 mo | |
| Battery | Check | 500 hr | 12 mo | Service battery |
| Battery | Test | 500 hr | 12 mo | |
| Coolant Solution Analysis-Add SCAs | Test | 500 hr | 12 mo | |
| Coolant solution analysis — add SCAs as required | Test | 500 hr | 12 mo | |
| Cooling System | Test | 500 hr | 12 mo | Pressure test cooling system |
| Crankcase vent system | Check | 500 hr | 12 mo | |
| Engine (rated speed, 50%—70% load) | Other | 500 hr | 12 mo | Operate at rated speed with 50%-70% load minimum 30 minutes; standby generator applications may allow up to every 2 weeks |
| Engine Oil And Oil Filter | Change | 500 hr | 12 mo | First service — Only with extended drain oil pan, Plus-50 oil, approved filter, sulfur <2000 ppm |
| Engine electrical ground connection | Check | 500 hr | 12 mo | |
| Engine mounts | Check | 500 hr | 12 mo | |
| Engine oil and filter | Change | 500 hr | First service — New/rebuilt engine break-in: change oil and filter at 500 hours maximum for Break-In Plus Oil. | |
| Engine speeds | Check | 500 hr | 12 mo | |
| Fire Extinguisher | Test | 500 hr | 12 mo | Standard industrial chart; also inspect at least every 6 months |
| Fuel filter elements | Replace | 500 hr | 12 mo | |
| Manual Belt Tensioner and Belt Wear | Check | 500 hr | 12 mo | |
| Air Intake Hoses | Check | 600 hr | 12 mo | |
| Air cleaner elements | Replace | 600 hr | 12 mo | Inspect and service; always replace secondary element, never clean it |
| Air intake hoses and connections | Check | 600 hr | 12 mo | Tighten hose clamps; inspect hoses for cracks |
| Air intake system | Check | 600 hr | 12 mo | Service air intake system; inspect dust unloader valve |
| Coolant solution | Test | 600 hr | 12 mo | Coolant solution analysis (COOLSCAN); add inhibitor as needed |
| Cooling system | Check | 600 hr | 12 mo | Check entire cooling system for leaks; tighten all clamps securely |
| Crankcase vent tube | Clean | 600 hr | 12 mo | Clean at shorter intervals in dusty conditions |
| Fuel filter element | Replace | 600 hr | 12 mo | Bleed fuel system after replacement |
| PTO clutch internal levers and linkage | Lubricate | 600 hr | 12 mo | Apply one shot of John Deere Multipurpose Lubricant to pivot points and release lever shaft fittings |
| Cooling system | Drain | 1200 hr | 24 mo | Flush cooling system and replace thermostats; fill with recommended clean coolant |
| Cooling system and radiator cap | Test | 1200 hr | 24 mo | Pressure test cooling system and radiator cap at 50 kPa (0.5 bar) (7 psi) |
Extracted from the manufacturer documentation linked to this model. Values are copied as printed; confirm against your unit's manual and serial number.
Service specifications
60| Type | Item | Value | Unit | Condition |
|---|---|---|---|---|
| Clearance | Air cleaner neck to engine intake — overlap | 38 | mm (1.5 in.) | |
| Clearance | Assembled Rod Bearing—ID | 77.876—77.927 | mm (3.0659—3.0679 in.) | |
| Clearance | Balancer shaft end play (4-cylinder engines) | 0.05—0.26 | mm (0.002—0.010 in.) | wear limit 0.38 mm (0.015 in.) |
| Clearance | Balancer shaft journal-to-bushing oil clearance | 0.024—0.100 | mm (0.001—0.004 in.) | maximum allowable 0.15 mm (0.006 in.) |
| Clearance | Camshaft Follower Bore in Block—ID | 31.70—31.75 | mm (1.248—1.250 in.) | |
| Clearance | Camshaft Follower-to-Bore—Clearance | 0.06—0.13 | mm (0.002—0.005 in.) | |
| Clearance | Camshaft Follower—OD | 31.61—31.64 | mm (1.245—1.246 in.) | |
| Clearance | Camshaft end play | 0.08—0.23 | mm (0.003—0.009 in.) | wear limit 0.38 mm (0.015 in.) |
| Clearance | Camshaft thrust plate clearance | 0.08—0.23 | mm (0.003—0.009 in.) | wear limit 0.38 mm (0.015 in.) |
| Clearance | Connecting Rod Bearing-to-Journal (New Parts)—Oil Clearance; wear limit 0.152 mm (0.0060 in.) | 0.050—0.127 | mm (0.0020—0.0050 in.) | |
| Clearance | Connecting Rod Bore (Without Bearing Inserts)—ID | 82.677—82.703 | mm (3.2550—3.2560 in.) | |
| Clearance | Connecting Rod Bore—Maximum Permissible Out-of-Round | 0.038 | mm (0.0015 in.) | |
| Clearance | Connecting rod bearing-to-journal oil clearance (new parts 3029/4039/6059) | 0.025—0.102 | mm (0.0012—0.0040 in.) | wear limit 0.152 mm (0.0600 in.) |
| Clearance | Connecting rod bearing-to-journal oil clearance (new parts 4045/6068) | 0.050—0.127 | mm (0.0020—0.0050 in.) | wear limit 0.152 mm (0.0600 in.) |
| Clearance | Crankshaft End Play | .001" - .014" | in | |
| Clearance | Crankshaft end play (new parts, six-piece thrust bearing) | 0.025—0.35 | mm (0.001—0.014 in.) | wear limit 0.50 mm (0.020 in.) |
| Clearance | Crankshaft end play (new parts, two-piece thrust bearing) | 0.05—0.25 | mm (0.002—0.010 in.) | wear limit 0.50 mm (0.020 in.) |
| Clearance | Crankshaft main bearing-to-journal clearance | 0.025—0.102 | mm (0.0009—0.0040 in.) | |
| Clearance | Crankshaft main or rod journal maximum taper / out-of-round | 0.010 / 0.005 | mm (0.0004 / 0.0002 in.) | |
| Clearance | Crankshaft main thrust bearing-to-journal (side) oil clearance | 0.090—0.217 | mm (0.0035—0.0085 in.) | |
| Clearance | Crankshaft vibration damper — maximum radial runout | 1.50 | mm (0.060 in) | engine at operating temperature |
| Clearance | Crankshaft—End Play | 0.029—0.357 | mm (0.001—0.014 in.) | |
| Clearance | Cylinder Block Main Bearing Bore—ID | 84.455—84.481 | mm (3.3250—3.3260 in.) | |
| Clearance | Cylinder Head Flatness—Maximum Acceptable Out-of-Flat for Entire Length or Width | 0.08 | mm (0.003 in.) | |
| Clearance | Cylinder Head Flatness—Maximum Acceptable Out-of-Flat for Every 150 mm (5.90 in.) | 0.03 | mm (0.001 in.) | |
| Clearance | Cylinder Liner Protrusion | .001" - .004" | in | |
| Clearance | Cylinder Liner—Height above Block | 0.030—0.100 | mm (0.001—0.004 in.) | |
| Clearance | Cylinder Liner—ID | 106.48—106.52 | mm (4.192—4.194 in.) | |
| Clearance | Cylinder Liner—Maximum Taper | 0.05 | mm (0.002 in.) | |
| Clearance | Cylinder head flatness - maximum acceptable out-of-flat (entire length or width) | 0.08 | mm (0.003 in.) | |
| Clearance | Cylinder head flatness - maximum acceptable out-of-flat per 150 mm (5.90 in.) | 0.03 | mm (0.001 in.) | |
| Clearance | Cylinder head thickness - new | 104.87—105.13 | mm (4.129—4.139 in.) | minimum acceptable 104.24 mm (4.104 in.) |
| Clearance | Cylinder liner height above block | 0.030—0.100 | mm (0.001—0.004 in.) | maximum permissible height difference 0.05 mm (0.002 in.) |
| Clearance | Exhaust Valve Guide-to-Valve Stem (New) Clearance (four-valve) | 0.025—0.077 | mm (0.0010—0.0030 in.) | |
| Clearance | Exhaust Valve—Recess in Cylinder Head (four-valve); wear limit 1.81 mm (0.071 in.) | 0.81—1.31 | mm (0.032—0.052 in.) | |
| Clearance | Exhaust Valve—Recess in Cylinder Head (two-valve); wear limit 2.26 mm (0.089 in.) | 1.22—1.72 | mm (0.048—0.068 in.) | |
| Clearance | Exhaust valve - lift | 11.28—12.12 | mm (0.444—0.477 in.) | at 0.00 mm (in.) clearance; wear limit 10.85 mm (0.427 in.) |
| Clearance | Exhaust valve - recess in cylinder head | 1.22—1.72 | mm (0.048—0.068 in.) | worn limit 2.26 mm (0.089 in.) |
| Clearance | Flywheel housing seal bore maximum permissible run-out | 0.152 | mm (0.006 in.) | |
| Clearance | Fuel Supply Pump Push Rod Bore in Block—ID | 10.00—10.05 | mm (0.3937—0.3957 in.) | |
| Clearance | Fuel Supply Pump Push Rod—OD | 9.891—9.917 | mm (0.3894—0.3904 in.) | |
| Clearance | Fuel injection nozzle tip orifice ID | 0.27 | mm (0.0106 in.) | Naturally aspirated engines |
| Clearance | Fuel injection nozzle tip orifice ID | 0.29 | mm (0.0116 in.) | Turbocharged engines |
| Clearance | Fuel injection nozzle valve needle lift (based on zero lift) | 3/4 Turn Counterclockwise | turn | Conventional nozzle |
| Clearance | Intake Valve Guide-to-Valve Stem (New) Clearance (four-valve) | 0.012—0.064 | mm (0.0005—0.0025 in.) | |
| Clearance | Intake Valves—Recess in Cylinder Head (four-valve); wear limit 1.77 mm (0.070 in.) | 0.77—1.27 | mm (0.030—0.050 in.) | |
| Clearance | Intake Valves—Recess in Cylinder Head (two-valve); wear limit 1.63 mm (0.064 in.) | 0.61—1.11 | mm (0.024—0.044 in.) | |
| Clearance | Intake and Exhaust Valve Guide-to-Valve Stem Wear Limit (four-valve) | 0.15 | mm (0.0059 in.) | |
| Clearance | Intake and Exhaust Valves—Maximum Variation for a Pair of Valves (Per Cylinder) | 0.3 | mm (0.012 in.) | |
| Clearance | Intake valves - lift | 11.56—12.37 | mm (0.455—0.487 in.) | at 0.00 mm (in.) clearance; wear limit 11.13 mm (0.438 in.) |
| Clearance | Intake valves - recess in cylinder head | 0.61—1.11 | mm (0.024—0.044 in.) | worn limit 1.63 mm (0.064 in.) |
| Clearance | Main Bearing Bore Centerline-to-Cylinder Block Top Deck—Distance | 337.896—337.972 | mm (13.3029—13.3059 in.) | |
| Clearance | Maximum Permissible Height Difference at Nearest Point of Two Adjacent Liners, or Within a Single Liner | 0.05 | mm (0.002 in.) | |
| Clearance | Piston Pin-to-Bushing—Oil Clearance; wear limit 0.102 mm (0.0040 in.) | 0.020—0.056 | mm (0.0008—0.0022 in.) | |
| Clearance | Piston Protrusion | .003" - .012" | in | |
| Clearance | Piston Rings 4045DF, TF150 and 6068DF, TF150 No. 1 Compression—End Gap | 0.33—0.58 | mm (0.013—0.023 in.) | |
| Clearance | Piston Rings 4045TF250 and 6068TF250 No. 2 Compression—End Gap | 0.75—1.00 | mm (0.030—0.039 in.) | |
| Clearance | Piston protrusion above block deck (using JDG451 or KJD10123 gauge) | 0.08—0.31 | mm (0.003—0.012 in.) | |
| Clearance | Piston protrusion above block deck (using magnetic base dial indicator) | 0.15—0.38 | mm (0.006—0.015 in.) | |
| Clearance | Piston-to-Liner Clearance at Bottom of Piston Skirt (Naturally Aspirated Engines) | 0.08—0.14 | mm (0.003—0.005 in.) |
Extracted from the manufacturer documentation linked to this model. Values are copied as printed; confirm against your unit's manual and serial number.
Recommended fluids
| Fluid | Grade | Standard | Ambient | Capacity | Notes |
|---|---|---|---|---|---|
| Coolant | 50/50 mixture of quality water and ethylene glycol concentrate (antifreeze) plus 3% (by volume) supplemental coolant additives (SCA's) | Ethylene glycol concentrate meeting ASTM D5345 (prediluted coolant) or ASTM D4985 (coolant concentrate) | John Deere Prediluted Antifreeze/Summer Coolant, John Deere Antifreeze/Summer Coolant Concentrate, John Deere Low Silicate Antifreeze, or John Deere COOL-GARD. Freeze protection limits by % concentrate: 40% = -24 C (-12 F); 50% = -37 C (-34 F); 60% = -52 C (-62 F). | ||
| Coolant | John Deere COOL-GARD II (preferred) or John Deere COOL-GARD II PG | ASTM D6210 (other coolants) | COOL-GARD II pre-mix freeze protection: 20/80 -9C(16F); 30/70 -16C(3F); 50/50 -37C(-34F); 55/45 -45C(-49F); PG 60/40 -49C(-56F); 60/40 -52C(-62F). Do not use less than 40% or greater than 60% concentrate. Coolant capacity 8.5 L (9 qt) 4045, 11.3 L (12 qt) 6068. | ||
| Coolant | John Deere COOL-GARD II / COOL-GARD II PG premix, or concentrate in 40—60% mixture | ASTM D6210; nitrite-free; 2-ethylhexanoic acid (2-EHA) free additive package | Freeze protection: COOL-GARD II 20/80 -9°C (16°F); 30/70 -16°C (3°F); 50/50 -37°C (-34°F); 55/45 -45°C (-49°F); PG 60/40 -49°C (-56°F); 60/40 -52°C (-62°F). Ethylene glycol 40% -24°C (-12°F), 50% -37°C (-34°F), 60% -52°C (-62°F); Propylene glycol 40% -21°C (-6°F), 50% -33°C (-27°F), 60% -49°C (-56°F) | ||
| Coolant | John Deere COOL-GARD Prediluted Coolant (50% ethylene glycol or 55% propylene glycol) | ASTM D6210 prediluted/concentrate; ASTM D4985 requires initial SCA charge | System filled for freeze protection to -37°C (-34°F). Do not use coolant-water mixture greater than 60% glycol. Do not mix ethylene glycol and propylene glycol base coolants. | ||
| Coolant | Supplemental coolant additive (SCA) — John Deere Liquid Coolant Conditioner | Precharge with 3% John Deere Coolant Conditioner when coolant without SCAs; do not mix brands; do not add more than recommended | |||
| Coolant | Water quality specification for mixing with coolant concentrate | Chlorides max 40 ppm (2.5 grains/US gal); Sulfates max 100 ppm (5.9); Total dissolved solids max 340 ppm (20); Total hardness max 170 ppm (10); pH 5.5—9.0 | Distilled, deionized or demineralized water recommended. Water may be used as coolant in emergency situations only. | ||
| Coolant | John Deere PREDILUTED ANTIFREEZE/SUMMER COOLANT, John Deere COOL-GARD, or John Deere ANTIFREEZE/SUMMER COOLANT CONCENTRATE (low silicate ethylene glycol + SCAs); otherwise low silicate ethylene glycol base coolant | ASTM D5345 (prediluted coolant) or ASTM D4985 (coolant concentrate) | above -52°C | 40% concentrate = -24 C (-12 F); 50% = -37 C (-34 F); 60% = -52 C (-62 F). Do not use automotive-type coolants meeting ASTM D3306 or ASTM D4656. Do not use soluble oil. Coolants meeting ASTM D5345/D4985 require an initial charge of supplemental coolant additives. | |
| Coolant | John Deere COOL-GARD II Premix (50% ethylene glycol) preferred; COOL-GARD II Concentrate (40-60%), COOL-GARD Premix (50% EG), COOL-GARD Concentrate (40-60%), COOL-GARD PG Premix (55% propylene glycol) | Coolant concentrate or prediluted heavy duty diesel coolant; nitrite-free additive package; provides cylinder liner cavitation protection | above -37°C | Engine cooling system filled for freeze protection to -37°C (-34°F). Do not mix ethylene glycol and propylene glycol base coolants. Do not use coolants that contain nitrites. Do not use cooling system sealing additives. | |
| Coolant | John Deere Prediluted Antifreeze/Summer Coolant, Antifreeze/Summer Coolant Concentrate, Low Silicate Antifreeze, or COOL-GARD | above 52°C | 50/50 mixture of water and ethylene glycol antifreeze plus 3% by volume SCA; 60% concentrate gives -52°C (-62°F) protection | ||
| Diesel | Diesel fuel specified to EN 590 or ASTM D975 | EN 590 / ASTM D975 | Cetane number 40 minimum, 47 preferred. CFPP at least 5C below expected lowest temperature. Fuel lubricity max scar diameter 0.52 mm (ASTM D6079/ISO 12156-1). ULSD max 15 mg/kg (15 ppm) sulfur for IT4/FT4/Stage IIIB/IV. | ||
| Engine oil | 10W-30 diesel engine oil (during first 100 hours if break-in oil not available) | API CE / CD / CC or ACEA E2 / E1 | Break-in oil alternative. Do not use Plus-50 II, Plus-50, API CJ-4/CI-4 PLUS/CI-4/CH-4/CG-4/CF-4/CF-2/CF, or ACEA E9/E7/E6/E5/E4/E3 for initial break-in. Change oil and filter at 100 hours max (Break-In) or 500 hours max (Break-In Plus). | ||
| Engine oil | John Deere Break-In or Break-In Plus Engine Oil (SAE 10W-30) | Factory fill for new engines; drain at maximum 100 hours. Also TY22041 to make up oil during break-in. | |||
| Engine oil | John Deere ENGINE BREAK-IN OIL | Alternate: API CE, CD, CC or ACEA E2, E1 (first 100 hours) | New/rebuilt engines filled at factory with break-in oil. Do not exceed 100 hours with break-in oil. | ||
| Engine oil | John Deere ENGINE BREAK-IN OIL; if not available, API Service Classification CE or ACEA Specification E1 | API CE, ACEA E1 | Use during the first 100 hours of operation of a new or rebuilt engine. Do not use PLUS-50 or oils meeting API CG4, API CF4, ACEA E3 or ACEA E2 during break-in. | ||
| Engine oil | John Deere Engine Break-In Oil | Factory fill; drain after first 100 hours of operation; do not use TORQ-GARD SUPREME PLUS-50 during the first 100 hours of operation after an engine rebuild | |||
| Engine oil | John Deere PLUS-50 (preferred) | ACEA E5, ACEA E4; also John Deere TORQ-GARD SUPREME, API CI-4, CH-4, CG-4, CF-4, ACEA E3, E2 (Non-Certified and Tier 1 Certified Engines) | Multi-viscosity diesel engine oils are preferred. If oils meeting API CG-4, API CF-4, or ACEA E2 are used, reduce service interval by 50%. | ||
| Engine oil | John Deere PLUS-50 engine oil preferred; API Service Classification CG-4 or CF-4; ACEA Specification E3 or E2 | API CG-4, API CF-4, ACEA E3, ACEA E2 | Multi-viscosity diesel engine oils preferred. If PLUS-50 oil and a John Deere oil filter are used, the oil and filter service interval may be extended by 50%. If diesel fuel sulfur content is greater than 0.5%, reduce the service interval by 50%. | ||
| Engine oil | John Deere Plus-50 II (preferred) or John Deere Plus-50; also Torq-Gard Supreme, API CJ-4, CI-4 PLUS, CI-4, CH-4, ACEA E9, E7, E6, E5, E4 | API / ACEA | Oil viscosity chart by air temperature range: SAE 0W-40, SAE 5W-30, SAE 10W-30, SAE 10W-40, SAE 15W-40. Multi-viscosity oils preferred. Change oil and filter at least once every 12 months. | ||
| Engine oil | John Deere TORQ-GARD SUPREME PLUS-50 (preferred); TORQ-GARD SUPREME; UNI-GARD; API CE or CD | API CE / API CD / CCMC D5 / CCMC D4 | Break-in oil used for first 100 hours; do not use TORQ-GARD SUPREME PLUS-50 during first 100 hours after rebuild | ||
| Engine oil | John Deere TORQ-GARD SUPREME oil also recommended | Select oil viscosity based on the expected air temperature range during the period between oil changes. Temperature limits and service intervals apply to both conventional and synthetic oils. | |||
| Engine oil | SAE 10W-30 (break-in oil) | John Deere Break-In or John Deere Break-In Plus Engine Oil | Factory fill; change oil and filter at a maximum of 100 hours for Break-In oil | ||
| Engine oil | SAE 10W-40, 15W-40, 0W-40, 5W-40, 10W-30, 5W-30, 10W, 30, 40 (select per expected air temperature range) | John Deere Plus-50 II (preferred), Plus-50, Torq-Gard; API CK-4, CJ-4, CI-4 PLUS, CI-4; ACEA E9, E7, E6, E5, E4 | Multi-viscosity diesel engine oils preferred | ||
| Engine oil | John Deere TORQ-GARD SUPREME PLUS-50 (preferred); John Deere TORQ-GARD SUPREME; John Deere UNI-GARD; or oil meeting API CE, API CD, CCMC D5, CCMC D4 | API Service Classification CE or CD; CCMC Specification D5 or D4 | -40°C to 50°C | Use oil viscosity based on expected air temperature range. Arctic oils (MIL-L-46167B) may be used below -30 C (-22 F). If John Deere TORQ-GARD SUPREME PLUS-50 oil and a John Deere oil filter are used, oil and filter service interval may be extended by 50 hours. If diesel fuel sulfur content is greater than 0.5%, reduce engine oil and filter service interval by 50%. | |
| Engine oil | SAE 15W-40, SAE 10W-40, SAE 10W-30, SAE 0W-40, SAE 5W-30 (select by ambient air temperature range) | John Deere Plus-50 II preferred; Plus-50; or API CJ-4 / CI-4 PLUS / CI-4 / ACEA E9 / E7 / E6 / E5 / E4; also John Deere Torq-Gard Supreme | -40°C to 50°C | Use oil viscosity based on expected air temperature range between oil changes. DO NOT use diesel fuel with sulfur content greater than 1.0% (10 000 mg/kg). | |
| Fuel | EN 590 or ASTM D975 | Cetane number 40 minimum (greater than 50 preferred, especially below -20°C (-4°F) or above 1500 m (5000 ft)). Cold Filter Plugging Point below expected low temperature or Cloud Point at least 5°C (9°F) below expected low temperature. Fuel lubricity should pass minimum 3100 gram load level (BOCLE scuffing test) / ASTM D6078 or max scar diameter 0.45 mm ASTM D6079 / ISO 12156-1. Sulfur content should not exceed 0.5% (less than 0.05% preferred); DO NOT use fuel with sulfur content greater than 1.0%. Do not mix used engine oil with diesel fuel. | |||
| Fuel | 5% blend (B5) | ASTM D6751, EN 14214, or equivalent | Bio-diesel maximum allowable concentration is a 5% blend (B5) in petroleum diesel fuel. Check engine oil level daily when air temperature is -10°C (14°F) or lower. Raw pressed vegetable oils are NOT acceptable at any concentration. | ||
| Fuel | Bio-diesel fuel | ASTM D6751, EN 14214 or equivalent; up to 5% blend (B5) | Raw pressed vegetable oils are NOT acceptable. Check engine oil level daily when air temperature is -10°C (14°F) or lower. | ||
| Fuel | Biodiesel blends up to B20 (B5 preferred) | B100 must meet ASTM D6751 (US), EN 14214 (EU), or equivalent; petroleum portion must meet ASTM D975 or EN 590 | Expect 2% power and 3% fuel economy reduction with B20; up to 12% power and 18% economy reduction with 100% biodiesel. B20 must be used within 90 days of manufacture; B21-B100 within 45 days. Raw pressed vegetable oils NOT acceptable. | ||
| Fuel | Diesel fuel | EN 590 or ASTM D975 | Cetane number 40 minimum (greater than 50 preferred, especially below -20 C or above 1500 m). Sulfur content should not exceed 0.5%; less than 0.05% preferred; DO NOT use fuel with sulfur content greater than 1.0%. Cold Filter Plugging Point below expected low temperature, or Cloud Point at least 5 C (9 F) below expected low temperature. Fuel lubricity should pass a minimum of 3100 gram load level by BOCLE scuffing test. Bio-diesel meeting DIN 51606 or equivalent may be used. DO NOT mix used engine oil or any other lubricant with diesel fuel. | ||
| Fuel | Diesel fuel specified to EN 590 or ASTM D975; renewable diesel per EN 590/ASTM D975 acceptable | Cetane number 43 minimum (greater than 47 preferred); CFPP at least 5°C below expected lowest temperature; lubricity max scar diameter 0.45 mm per ASTM D6079 or ISO 12156-1 | Use ONLY ultra low sulfur diesel (ULSD) with max 0.0015% (15 mg/kg) sulfur for Interim Tier 4 and EU Stage IIIB engines. For other engines sulfur less than 0.10% (1000 mg/kg) strongly recommended. Winter grade fuel (No. 1-D) below 0°C (32°F). |
Extracted from the manufacturer documentation linked to this model. Values are copied as printed; confirm against your unit's manual and serial number.
Fault codes
80| Code | Name | Meaning | Severity | Action |
|---|---|---|---|---|
| 000028-03 | Throttle Voltage High | Throttle Voltage High | Blink code 13 | |
| 000028.03 | Throttle Volts High | Throttle voltage is above the specification. | ||
| 000028.04 | Throttle Volts Low | Throttle voltage is below the specification. | ||
| 000028.14 | Digital Throttle Inhibited | |||
| 000029-03 | Throttle Voltage High | Throttle Voltage High | Blink code 15 | |
| 000029.03 | Throttle Volts High | Throttle voltage is above the specification. | ||
| 000029.04 | Throttle Volts Low | Throttle voltage is below the specification. | ||
| 000029.14 | Secondary Analog Throttle Inhibited | |||
| 000084-31 | Vehicle Speed Mismatch | Vehicle Speed Mismatch | ||
| 000084.31 | Vehicle Speed Mismatch | Wheel speed from BCU (PWM) and BIF (CAN) do not match at the ECU. | ||
| 000091-03 | Throttle Voltage High | Throttle Voltage High | Blink code 11 | |
| 000091.03 | Throttle Volts High | Throttle voltage is above the specification. | ||
| 000091.04 | Throttle Volts Low | Throttle voltage is below the specification. | ||
| 000091.09 | Throttle Invalid | ECU received invalid or missing throttle information. | ||
| 000091.14 | Throttle Voltage Out of Range | Throttle voltage is above or below the specification. | ||
| 000094-01 | Fuel Supply Pressure Extremely Low | Fuel Supply Pressure Extremely Low (Bosch VP44) | Warning | Blink code 58 |
| 000094-03 | Fuel Supply Pressure Input Voltage High | Fuel Supply Pressure Input Voltage High (Bosch VP44) | Blink code 27 | |
| 000094.03 | Low Pressure Fuel Signal Out of Range High | Rail pressure input voltage exceeds the sensor's high voltage specification. | ECU derates engine 50% per minute to 50% of full power; commands pump to default 195 MPa. | |
| 000094.04 | Low Pressure Fuel Signal Out of Range Low | Rail pressure input voltage drops below the sensor's low voltage specification. | ECU derates engine 50% per minute to 50% of full power; commands pump to default 190 MPa. | |
| 000094.10 | Fuel Rail Pressure Loss Detected | ECU detects a sudden decrease in fuel pressure while engine is not injecting or pumping. | ||
| 000094.13 | Fuel Rail Pressure Higher Than Expected | Fuel rail pressure higher than expected. | ||
| 000094.17 | Low Pressure Fuel Signal Slightly Low | Fuel rail pressure not developed. | ||
| 000097.00 | Water in Fuel Continuously Detected | Water in fuel continuously detected. | ||
| 000097.03 | Water in Fuel Signal Voltage High | Water in fuel signal voltage high. | ||
| 000097.04 | Water in Fuel Signal Voltage Low | Water in fuel signal voltage low. | ||
| 000097.16 | Water in Fuel Detected | Water in fuel detected. | ||
| 000100-01 | Engine Oil Pressure Extremely Low | Engine Oil Pressure Extremely Low | Shutdown | Blink code 65 |
| 000100.01 | Engine Oil Pressure Signal Extremely Low | Engine oil pressure extremely low. | ||
| 000100.03 | Engine Oil Pressure Input Voltage High | Engine oil pressure input voltage high. | ||
| 000100.04 | Engine Oil Pressure Signal Out of Range Low | Engine oil pressure input voltage low. | ||
| 000100.18 | Engine Oil Pressure Signal Moderately Low | Engine oil pressure moderately low. | ||
| 000100.31 | Engine Oil Pressure Detected with Engine Stopped | |||
| 000102.02 | Manifold Air Pressure (MAP) sensor error — ECU defaults to MAP model | ECU computes what MAP should be; if actual MAP significantly different, ECU defaults to MAP model. Most probable causes are boost air leaks and air intake restrictions. | Warning | |
| 000105.00 | Manifold Air Temperature Signal Extremely High | Manifold air temperature extremely high. | ||
| 000105.03 | Manifold Air Temperature Signal Out of Range High | Manifold air temperature input voltage high. | ||
| 000105.04 | Manifold Air Temperature Signal Out of Range Low | Manifold air temperature input voltage low. | ||
| 000105.15 | Manifold Air Temperature Signal Slightly High | |||
| 000105.16 | Manifold Air Temperature Signal Moderately High | Manifold air temperature moderately high. | ||
| 000107-00 | Air Filter Restricted | Air Filter Restricted | ||
| 000107.00 | Air Filter Restriction Switch Activated | Air filter differential pressure. | ||
| 000108.02 | Barometric Air Pressure Signal Invalid | |||
| 000110-00 | Engine Coolant Temperature Extremely High | Engine Coolant Temperature Extremely High | Shutdown | Blink code 69 |
| 000110.00 | Engine Coolant Temperature Extremely High | Engine coolant temperature extremely high. | ||
| 000110.03 | Engine Coolant Temperature Input Voltage High | Engine coolant temperature input voltage high. | ||
| 000110.04 | Engine Coolant Temperature Input Voltage Low | Engine coolant temperature input voltage low. | ||
| 000110.15 | Engine Coolant Temperature High Least Severe | Engine coolant temperature high, least severe. | ||
| 000110.16 | Engine Coolant Temperature Moderately High | Engine coolant temperature moderately high. | ||
| 000111-00 | Loss of Coolant Temperature Extremely High | Loss of Coolant Temperature Extremely High | ||
| 000111-01 | Engine Coolant Level Low | Engine Coolant Level Low (Bosch VP44 / Denso HPCR) | Warning | Blink code 64 |
| 000111.01 | Engine Coolant Level Low | Engine coolant level low. | ||
| 000157.03 | Fuel Rail Pressure Signal Out of Range High | |||
| 000157.04 | Fuel Rail Pressure Signal Out of Range Low | |||
| 000157.10 | Fuel Rail Pressure Loss Detected | |||
| 000157.17 | Fuel Rail Pressure Not Developed | |||
| 000158-17 | ECU Power Down Error | ECU Power Down Error | Blink code 54 | |
| 000158.17 | ECU Power Down Error | ECU power down error. | ||
| 000160.02 | Wheel Speed Input Noise | Wheel speed input noise. | ||
| 000174-03 | Fuel Temperature Input Voltage High | Fuel Temperature Input Voltage High | Blink code 37 | |
| 000174.00 | Fuel Temperature Signal Extremely High | Fuel temperature high, most severe. | ||
| 000174.03 | Fuel Temperature Signal Out of Range High | Fuel temperature input voltage high. | ||
| 000174.04 | Fuel Temperature Signal Out of Range Low | Fuel temperature input voltage low. | ||
| 000174.16 | Fuel Temperature Signal Moderately High | Fuel temperature high, moderately severe. | ||
| 000189-00 | Engine Speed Derate | Engine Speed Derate | ||
| 000189.00 | Engine Speed Derate Condition Exists | Engine speed derate. | ||
| 000190-00 | Engine Overspeed Extreme | Engine Overspeed Extreme | Shutdown | Blink code 42 |
| 000190.00 | Engine Speed Extremely High | Engine overspeed extreme. | ||
| 000190.16 | Engine Speed Moderately High | Engine overspeed moderate. | ||
| 000237.02 | Vehicle Identification Number Invalid | Vehicle identification number invalid. | ||
| 000237.13 | Vehicle Identification Option Code Invalid | Vehicle identification option code invalid. | ||
| 000237.31 | Vehicle Model Number Invalid | Vehicle model number invalid. | ||
| 000611-03 | Electronic Injector Wiring Shorted to Power Source | Electronic Injector Wiring Shorted to Power Source (Denso HPCR) | Blink code 98 | |
| 000611.03 | Injector Shorted to Voltage Source | Electronic injector wiring shorted to power source. | ||
| 000611.04 | Injector Shorted to Ground | Electronic injector wiring shorted to ground. | ||
| 000620-03 | Sensor Supply Voltage High | Sensor Supply Voltage High | Blink code 21 | |
| 000620.03 | Sensor Supply 2 Voltage High | Sensor supply 2 voltage high. | ||
| 000620.04 | Sensor Supply 2 Voltage Low | Sensor supply 2 voltage low. | ||
| 000627-04 | ECU Unswitched Power Missing | ECU Unswitched Power Missing | Blink code 76 | |
| 000627.01 | Electronic Injector Supply Voltage Problem | Electronic injector supply voltage problem. | ||
| 000627.18 | Injector Power Supply Voltage Out of Range Low | |||
| 000629-13 | ECU Error | ECU Error | Blink code 28/34 |
Extracted from the manufacturer documentation linked to this model. Values are copied as printed; confirm against your unit's manual and serial number.
Procedures
12Adjust Fuel Injection Nozzles adjustment
⚠ Do not manually bottom the valve with excessive force; bending of the valve may result.
Tools: JDG949 Nozzle Wrench, JDG1515-2 Pressure Adjustment Screw Lock Nut Tool, JDG1522 Pressure Adjustment Screw Tool, JDG1521 Spring Chamber Cap Wrench
- Remove nozzle from tester and install in holding fixture.
- Remove lift adjusting lock nut.
- Loosen pressure adjusting screw lock nut using JDG949 Nozzle Wrench.
- Reconnect nozzle to tester with tip pointing downward.
- Back out lift adjusting screw two or three turns to prevent bottoming.
- Turn pressure adjusting screw in (clockwise) to increase opening pressure or out to decrease.
- Remove nozzle and secure in holding fixture; tighten pressure adjusting screw lock nut to 10 N•m (7 lb-ft).
- Adjust valve lift: turn lift adjusting screw in until valve ceases to open (conventional nozzle).
- Turn lift adjusting screw out 3/4 turn counterclockwise (based on zero lift); 1/8 turn tolerance permissible.
- Tighten lift adjusting screw lock nut to 5 N•m (3.5 lb-ft).
- Recheck nozzle opening pressure and chatter.
Adjusting Variable Speed (Droop) - Generator Set Engines Only adjustment
- Warm engine to normal operating temperature.
- When necessary, disconnect throttle linkage or cable.
- Adjust slow idle and fast idle speed when necessary.
- Run engine at fast idle, then apply load until reaching rated speed.
- Check power; adjust with the screw if needed.
- Remove load from engine.
- Check and adjust fast idle if screw has been turned.
- Repeat procedure until both engine power and fast idle speed are correct.
- Reinstall throttle linkage if previously removed.
Check PTO Clutch Adjustment adjustment
⚠ Never attempt to service the PTO while it is in operation
⚠ Improper adjustments of the PTO clutch may shorten clutch life
Tools: Spring scale
- Measure clutch engagement force at handle grip using a spring scale. Engagement force should be 267-311 N (60-70 lb force).
- If adjustments are needed, disengage clutch and stop engine. Remove cover plate from clutch housing.
- Remove adjusting lock.
- Turn adjusting ring to adjust clutch engagement pressure.
- Measure engagement force at clutch handle with spring scale.
- Install adjusting lock and tighten screw securely.
- Install cover plate and recheck clutch engagement force.
Check and Adjust Engine Valve Clearance adjustment
⚠ Valve clearance must be checked/adjusted with engine cold
Tools: JD281A, JDE83, or JDG820 Engine Rotation Tool, JDE81-4 Timing Pin, feeler gauge
- Remove rocker arm cover and crankcase ventilator hose.
- Remove plugs or cover plate from flywheel housing timing holes.
- Rotate engine clockwise using engine rotation tool and timing pin until No. 1 cylinder is at TDC compression, insert timing pin.
- Adjust valve clearance per firing order for 3-, 4-, or 6-cylinder engine: Intake 0.35 mm (0.014 in.), Exhaust 0.45 mm (0.018 in.).
- If rocker arm has adjusting screw and jam nut, tighten jam nut to 27 N·m (20 lb-ft) after adjusting clearance.
- Install rocker arm cover with new gasket.
Check and Adjust High Pressure Fuel Pump Static Timing adjustment
Tools: JDG820 Flywheel Turning Tool, JDE81-4 Timing Pin
- Rotate engine with JDG820 Flywheel Turning Tool until JDE81-4 Timing Pin engages timing hole in flywheel.
- Engine should be at No.1 TDC-Compression.
- Remove screw for window on injection pump gear; a marked line on the gear should be visible through the window.
- If line not visible, engine may be at No.6 TDC-Compression; rotate engine one full revolution.
Check and Adjust Rotary Injection Pump Dynamic Timing adjustment
⚠ Stop engine prior to making timing adjustments; injection pump can seize if adjustment is made with engine running.
Tools: JT07158 (FKM10429A) TIME TRAC Kit, JT07177 Clamp-On Transducer, JT07172 Transducer Cable, JDG793 or JDG821 Magnetic Pick-Up Adapter, JDE81-4 or JDG1571 Timing Pin
- Install JT07158 (or FKM10429A) TIME TRAC Kit.
- Install transducer or in-line SOI sensor on No. 1 fuel injection line at nozzle end; use No. 4 or No. 6 line if access restricted.
- Install magnetic pick-up in flywheel timing hole with 0.64 mm (0.025 in.) air gap; do not stop engine at TDC.
- Engine OFF; push ON/CLEAR; select MAG PROBE, set Trig Level to 70%, press ENTER.
- Set Offset to 0 degrees and press ENTER.
- Start engine, press ENTER; run engine at 1300 rpm, press ENTER to calibrate.
- Warm engine to normal operating temperature; check slow and fast idle rpm; adjust as necessary.
- Run engine at wide open throttle and load engine down gradually to rated speed rpm.
- Record engine speed and timing degrees; compare to Section 06, Group 210 or machine technical manual.
- Stop engine; loosen injection pump mounting flange nuts and adjust pump timing.
- To advance timing rotate top of pump clockwise (viewed from rear/flywheel end); to retard rotate counterclockwise.
- Tighten injection pump mounting flange nuts to 27 N•m (20 lb-ft).
- Start engine and recheck dynamic timing; adjust as needed.
- Grind away original front plate timing mark and stamp a new mark aligned with injection pump flange mark.
Check and Adjust Slow Idle Speed—Denso Fuel Injection Pump adjustment
⚠ ALWAYS STOP ENGINE before making adjustments.
⚠ Bumper spring screw should not be used by itself to change engine speed more than 50 rpm.
Tools: Tachometer
- With engine running, pull governor control lever rearward to slow idle speed position; check speed.
- Remove slow idle stop screw cover.
- Loosen lock nut and back out bumper spring adjusting screw three turns.
- Loosen lock nut and adjust slow idle stop screw to obtain idle 30—50 rpm less than desired slow idle setting.
- Turn bumper spring adjusting screw in to increase engine speed a maximum of 30—50 rpm to desired slow idle.
- If surging persists, replace bumper spring and adjustment screw.
- Recheck fast and slow idle speeds; readjust slow idle if needed.
- Check all adjusting screw lock nuts for tightness; install covers.
- Connect fuel shut-off cable and speed control rod.
Check and Adjust Valve Clearance adjustment
⚠ To prevent accidental starting, always disconnect NEGATIVE (-) battery terminal before valve adjustment.
⚠ Valve clearance MUST be checked and adjusted with engine COLD.
Tools: JDE83 or JDG820 Flywheel Turning Tool, JDE81-4 Timing Pin, Feeler gauge, Torque wrench
- Disconnect NEGATIVE (-) battery terminal; remove rocker arm cover and crankcase ventilator tube.
- Remove plastic plug or cover plate from engine rotation/timing holes.
- Using JDE83 or JDG820 Flywheel Turning Tool, rotate flywheel in running direction until No. 1 cylinder is at TDC compression stroke.
- If No. 1 rocker arms are loose, engine is at No. 1 TDC compression; otherwise rotate one full revolution.
- Insert JDE81-4 Timing Pin in flywheel.
- Check intake clearance 0.31—0.38 mm (0.012—0.015 in.) and exhaust 0.41—0.48 mm (0.016—0.019 in.) cold.
- Loosen locknut on rocker arm adjusting screw; turn screw until feeler gauge slips with slight drag.
- Hold adjusting screw and tighten locknut to 27 N•m (20 lb-ft); recheck clearance.
- Adjust intake to 0.36 mm (0.014 in.) and exhaust to 0.46 mm (0.018 in.) cold.
Check and Adjust Valve Clearance (Four-Valve Head Engines) adjustment
⚠ Adjust with engine COLD
⚠ Replace valves, seats, springs and retainers in pairs; also replace bridge
Tools: JDE83 Flywheel Turning Tool, JDG1571 Timing Pin, Feeler gauge
- Disconnect NEGATIVE battery terminal.
- Remove rocker arm cover and crankcase ventilator tube.
- Remove plugs from timing/rotation hole and timing pin hole.
- Rotate flywheel until No. 1 cylinder is at TDC compression; insert timing pin.
- Loosen jam nut on rocker arm adjusting screw.
- Turn adjusting screw until feeler gauge slips with slight drag.
- Tighten jam nut to 27 N•m (20 lb-ft) and recheck clearance.
Check and Adjust Valve Clearance (Two-Valve Head Engines) adjustment
⚠ Valve clearance MUST be checked and adjusted with engine COLD
⚠ Disconnect NEGATIVE battery terminal to prevent accidental starting
Tools: JDE83 or JDE81-11 Flywheel Turning Tool, JDG1571 or JDE81-4 Timing Pin, Feeler gauge
- Disconnect NEGATIVE battery terminal.
- Remove rocker arm cover and crankcase ventilator tube.
- Remove plugs from engine timing/rotation hole and timing pin hole.
- Rotate flywheel until No. 1 cylinder is at TDC compression; insert timing pin.
- Loosen jam nut on rocker arm adjusting screw.
- Turn adjusting screw until feeler gauge slips with a slight drag.
- Tighten jam nut to 27 N•m (20 lb-ft) and recheck clearance.
Checking Tensioner Spring Tension adjustment
⚠ A belt tension gauge will not give an accurate measure of belt tension with automatic spring tensioner.
Tools: Torque wrench, 1/2 inch drive tool
- Release tension on belt using a long handled 1/2 inch drive tool in square hole in tensioner arm.
- Remove belt from pulleys and inspect pulleys and bearings.
- Release tension on tension arm and remove drive tool.
- Put a mark on swing arm of tensioner.
- Measure 21 mm (0.83 in.) from the mark and put a second mark on tensioner mounting base.
- Install torque wrench aligned with centers of pulley and tensioner; rotate arm until marks align.
- Record torque wrench measurement and compare with specification; replace tensioner as required.
Checking and Adjusting Valve Clearance adjustment
⚠ Valve clearance MUST BE checked and adjusted with engine COLD.
⚠ Always disconnect NEGATIVE (—) battery terminal to prevent accidental starting.
Tools: JDE83 or JDG820 Flywheel Turning Tool, JDG1571 or JDE81-4 Timing Pin, Feeler gauge, JDG966 Crankshaft Front/Rear Rotation Adapter
- Disconnect NEGATIVE (—) battery terminal.
- Remove rocker arm cover and crankcase ventilator tube.
- Remove plugs from timing/rotation hole and timing pin hole.
- Rotate flywheel in running direction until No. 1 cylinder at TDC compression.
- Insert timing pin in flywheel.
- Loosen jam nut on rocker arm adjusting screw.
- Turn adjusting screw until feeler gauge slips with slight drag; tighten jam nut.
- Recheck clearance after tightening jam nut; install rocker arm cover and reconnect battery.
Extracted from the manufacturer documentation linked to this model. Values are copied as printed; confirm against your unit's manual and serial number.
Common questions
What is the power rating of the John Deere 6068?
The John Deere 6068 is rated 250 kW standby.
What oil filter does the John Deere 6068 use?
The John Deere 6068 uses oil filter part number RE504836.
Repair guides
90- Adding Coolant
- Adjust Fuel Injection Nozzles
- Adjusting Variable Speed (Droop) - Generator Set Engines Only
- Bleed the Fuel System
- Bleed the Fuel System (OEM Engines)
- Bleeding Fuel System
- Bleeding the Fuel System
- Change Engine Oil and Filter
- Changing Engine Oil and Replacing Filter
- Check and Adjust Engine Valve Clearance
- Check and Adjust High Pressure Fuel Pump Static Timing
- Check and Adjust Rotary Injection Pump Dynamic Timing
- Check and Adjust Slow Idle Speed—Denso Fuel Injection Pump
- Check and Adjust Valve Clearance
- Check and Adjust Valve Clearance (Four-Valve Head Engines)
- Check and Adjust Valve Clearance (Two-Valve Head Engines)
- Check Cold Start Advance System Operation—Rotary Pumps
- Check Crankshaft End Play
- Check Fuel Supply Pressure
- Check PTO Clutch Adjustment
Step-by-step procedures compiled from the John Deere service manual for this model.
Parts
72| Part # | Description | Qty | System | |
|---|---|---|---|---|
| 7400-01 | IMPELLER | 1 | Impeller | Amazon eBay |
| AH128449 | Hydraulic Filter Component | 1 | Hydraulic filter | Amazon eBay $63.74 KuduParts $36.00 |
| AL150288 | SECONDARY AIR FILTER | 1 | Air filter | Amazon eBay $22.99 FridayParts $49.99 |
| AL158986 | Filter or service component | 1 | Air filter | Amazon eBay $255.18 KuduParts $310.00 FridayParts $319.99 |
| AL169573 | Filter or service component | 1 | Oil filter | Amazon eBay $27.99 KuduParts $56.00 FridayParts $57.99 |
| AL172780 | PRIMARY AIR FILTER | 1 | Air filter | Amazon eBay $25.96 FridayParts $66.99 |
| AL172781 | PRIMARY AIR FILTER | 1 | Air filter | Amazon eBay $66.50 FridayParts $62.51 KuduParts $79.00 |
| AL221066 | TRANSMISSION OIL FILTER | 1 | Oil filter | Amazon eBay $37.43 FridayParts $40.76 KuduParts $52.00 |
| AL225552 | AIR FILTER | 1 | Air filter | Amazon eBay $62.51 KuduParts $93.00 FridayParts $95.00 |
| AL225554 | AIR FILTER - STANDARD - AL225552 (2) | 1 | Air filter | Amazon eBay $87.28 KuduParts $93.00 |
| AN403918 | SECONDARY AIR FILTER AN403919 | 1 | Air filter | Amazon eBay $169.03 |
| AN403919 | Replace each season and as | 1 | Air filter | Amazon eBay $119.99 |
| AT318160 | HYDRAULIC OIL FILTER | 1 | Hydraulic filter | Amazon eBay $52.25 KuduParts $107.00 |
| CAMSET000301 | CAM(WITH BOLT,GASKET) | 1 | Gasket | Amazon eBay |
| FP-RE38555-WS | Gasket Set, Complete Overhaul w/Front and Rear Seals | Gasket | Amazon | |
| JPR-JD25UH | PUMP ASSY | 1 | Pump | Amazon eBay $610.32 |
| L152026 | Filter or service component | 2 | Air filter | Amazon eBay $13.39 |
| L209778 | Filter or service component | 1 | Air filter | Amazon eBay $79.95 KuduParts $117.00 FridayParts $122.00 |
| L214634 | RECIRCULATION AIR FILTER | 2 | Air filter | Amazon eBay $35.24 KuduParts $23.00 FridayParts $25.50 |
| M-RE526672 | Gasket Set - Cylinder Head Non-Cert, T1, T2 | 1 | Gasket set | Amazon |
| M-RE526673 | Gasket Set - Inframe Non-Cert, T1, T2 | 1 | Gasket set | Amazon |
| M-RE526965 | Gasket Set - Out of Frame Non-Cert, T1, T2 | 1 | Gasket set | Amazon |
| M-RE527300 | Engine Overhaul Non-Cert, T1, T2 | 1 | Engine | Amazon |
| M-RE527301 | Engine Overhaul Non-Cert, T1, T2 | 1 | Engine | Amazon |
| M-RE532631 | Gasket Set - Overhaul | Gasket | Amazon | |
| M-RE532841 | Gasket Set - Cyl Head | Gasket | Amazon | |
| MCSSET0008 | M-SEAL | 1 | Seal | Amazon eBay |
| ORG0013 | O-RING | 1 | Seal | Amazon eBay |
| PG303PS | Gasket Set, Oil Pan | Gasket | Amazon eBay | |
| PG359S | Gasket Set, In-frame Overhaul | Gasket | Amazon eBay | |
| RE284091 | FRESH AIR FILTER | 1 | Air filter | Amazon eBay $42.49 FridayParts $45.99 |
| RE504836 | OIL FILTER | 1 | Oil filter | Amazon eBay $44.99 NAPA $28.76 FridayParts $20.99 |
| RE522878 | FINAL FUEL FILTER (35ED) | 1 | Fuel filter | Amazon eBay $192.10 PartsGeek $14.97 NAPA $44.17 KuduParts $16.00 FridayParts $18.50 |
| RE526557 | Filter or service component | 1 | Fuel filter | Amazon eBay $25.99 KuduParts $17.00 FridayParts $166.99 |
| RE535944 | PUMP ASSY | 1 | Pump | Amazon eBay $21.63 |
| RE539279 | ENGINE OIL FILTER | 1 | Oil filter | Amazon eBay $15.00 NAPA $41.24 KuduParts $27.00 FridayParts $28.99 |
| RE541922 | PRIMARY FUEL FILTER | 1 | Fuel filter | Amazon eBay $19.41 NAPA $59.21 KuduParts $26.00 FridayParts $28.00 |
| RE546336 | PRIMARY FUEL FILTER | 1 | Fuel filter | Amazon eBay $33.06 KuduParts $19.00 FridayParts $96.01 |
| RE551507 | PRIMARY FUEL FILTER | 1 | Fuel filter | Amazon eBay $35.00 KuduParts $24.00 FridayParts $26.20 |
| RE556406 | (Engine Option Code 35D5) | 1 | Fuel filter | Amazon eBay $120.00 FridayParts $84.88 |
| RE560681 | SECONDARY FUEL FILTER | 1 | Fuel filter | Amazon eBay $96.45 KuduParts $43.00 |
| RE563694 | Oil Filter Component | 1 | Oil filter | Amazon eBay $3000.00 |
| RE59754 | Oil Filter | 1 | Oil filter | Amazon eBay $24.99 NAPA $27.91 FridayParts $43.00 |
| RET0040 | OIL SEAL | 1 | Seal | Amazon eBay |
| RG4906 | Fuel injection pump model and serial information on serial number plate | Fuel pump | Amazon eBay | |
| T175002 | (420001-) | 1 | Hydraulic filter | Amazon eBay $42.50 FridayParts $259.99 |
| AT101565 | AIR, HYDRAULIC RESERVOIR FILTER (9100-9200) | 1 | Service part / kit | Amazon eBay $194.99 FridayParts $45.66 |
| BER0045 | BEARING | 2 | Service part / kit | Amazon eBay |
| CD15466 | Cylinder liner shim 0.05 mm (0.002 in.) | Service part / kit | eBay $47.17 | |
| DZ105100 | CRANKCASE VENT FILTER | 1 | Service part / kit | Amazon eBay $90.27 KuduParts $52.00 |
| DZ105796 | OCV FILTER | 1 | Service part / kit | Amazon eBay $47.34 |
| DZ111283 | (DOSING UNIT PUMP). | 1 | Service part / kit | Amazon eBay $449.00 FridayParts $353.49 KuduParts $526.00 |
| DZ114640 | DIESEL EXHAUST FLUID (DEF) DOSING UNIT FILTER | 1 | Service part / kit | Amazon eBay $17.65 FridayParts $14.30 |
| H216169 | FUEL LINES | 1 | Service part / kit | Amazon eBay FridayParts $30.43 |
| JSK0076 | SERVICE KIT | 1 | Service part / kit | Amazon eBay |
| M-RE526966 | Kit - Cylinder | 6 | Service part / kit | Amazon |
| R504850 | Cylinder block (Non-Structural 6 Cylinder) | Service part / kit | buy | |
| R516310 | Cylinder block (Structural 6 Cylinder) | Service part / kit | buy | |
| R517237 | Bushing | 1 | Service part / kit | Amazon eBay $18.00 |
| R65833 | Cylinder liner shim 0.10 mm (0.004 in.) | Service part / kit | eBay $15.66 | |
| RE500608 | Connecting rod (PRECISION JOINT, 6.8 L) | 6 | Service part / kit | Amazon eBay $70.24 FridayParts $73.99 |
| RE552175 | (DOSING UNIT PUMP). | 1 | Service part / kit | Amazon eBay $299.00 FridayParts $353.49 KuduParts $526.00 |
| RE554498 | DIESEL EXHAUST FILTER | 1 | Service part / kit | Amazon eBay $9.61 KuduParts $12.00 |
| RG4622 | PTO serial number and model number on cover plate of PTO housing | Service part / kit | Amazon eBay | |
| RG4904 | Engine serial number plate | Service part / kit | Amazon eBay | |
| RG7225 | Saran serial number plate | Service part / kit | Amazon eBay | |
| RG7640 | 3/4 Left Front View | Service part / kit | Amazon eBay | |
| RG7641 | 3/4 Right Front View | Service part / kit | Amazon eBay | |
| RG7642 | 3/4 Left Rear View | Service part / kit | Amazon eBay | |
| RG7643 | 3/4 Right Rear View | Service part / kit | Amazon eBay | |
| SHA0087 | SHAFT | 1 | Service part / kit | Amazon eBay |
| WER0001 | WEARPLATE | 1 | Service part / kit | Amazon eBay |
Service, wear & replacement parts referenced for this model and its engine — confirm the exact part for your serial number. See the full parts catalog to search and cross-reference.
Available documents
Engine spec — 6068T 153 (John Deere)Engine spec — 6068T 173 (John Deere)Engine spec — 6068T 175 (John Deere)Engine spec — Ind prod gde (John Deere)Engine spec — John Deere 415Y (John Deere)Engine spec — JohnDeereIdlc1253JUsersManual466148.316321540 (John Deere)Engine spec — marine prod gdeEngine spec — t3 french (John Deere)Operator's manual — 237946 (John Deere)Operator's manual — JOHN DEERE Series 300 3029 4039 4045 6059 6068 OEM Diesel Operation and Maintenance Manual 1993 (John Deere)Operator's manual — tp6455 (John Deere)Reference — jd speed work instructions (John Deere)Owner's manual — tp6285 (John Deere)Parts manual — 7030-small-frame-series (John Deere)Parts manual — W235 Final Tier 4 (FT4) Windrower (John Deere)Parts manual — tp5386 (John Deere)Service manual — 4.5-6.8 (John Deere)Service manual — CTM104 30JUN05 PWT4.5and6.8Base GB (John Deere)Service manual — CTM207 JD 4045 6068 Mechanical Fuel (John Deere)Service manual — CTM220 (John Deere)Service manual — john-deere-300-3029-4039-4045-6059-6068-operation-and-service-manual (John Deere)Service manual — tp5419 (John Deere)Service manual — tp5430 (John Deere)Service manual — tp6963v2 (John Deere)Service manual — tr-jd-3029-4039-4045-6059-6068-Litre-TSI (John Deere)
This page was generated from the 25 manufacturer documents above by automated extraction; every figure shown is copied from one of them. How the data is compiled.