Service parts for the 125REOZJ4
Grouped by system, with how many of each the parts manual calls for.
Air intake
1 requiredOil system
1 requiredBelts
1 requiredPrices captured from merchant listings; some links are affiliate links. Confirm against your serial number before ordering.
Specifications
| Fuel | Diesel |
|---|---|
| Frequency | 60.0 Hz |
| Standby power | 130 kW |
| Standby kVA | 163 |
| Prime power | 117 kW |
| Emissions | Tier 4 Final |
| Controller | Decision-Maker 3500 |
| Oil capacity | 15.6 L |
| Alternator | 4R13X |
| Voltage options | 120/208 V, 120/240 V, 277/480 V, 347/600 V |
| Phase | 3 |
| Power factor | 0.8 |
| Circuit breaker | 600 A |
| Battery cranking | 400 CCA |
| Battery voltage | 12 V |
| Battery quantity | 2 |
| Coolant capacity | 35.6 L |
| Engine jacket water | 11.9 L |
| Max ambient | 50 °C |
| Dimensions (L×W×H) | 3531×1191×2276 mm |
| Dry weight | 3501 kg |
| Sound level | 70.0 dBA @ 7 m |
| Fuel tank | 923.0 L |
| Tank runtime | 24 hr |
Engine
| Oil capacity | 28.5 L |
|---|---|
| Coolant capacity | 35.6 L |
| Displacement | 6.8 L |
| Aspiration | Turbocharged, Charge Air Cooled |
| Rated speed | 1800 rpm |
Filters for the John Deere 6068HFG08
6Engine-mounted filters the filter manufacturers list for this engine family. These come from the engine, not from this generator set’s own parts list, so confirm against your serial number before ordering.
| System | Filter | Description | Cross-references | |
|---|---|---|---|---|
| Oil filter | P550779 | Lube Filter, Spin-On Full Flow | JOHN DEERE RE504836, JOHN DEERE RE50486, NAPA 7750S, SKYJACK 13502869 | KuduParts $19.00 |
| Oil filter | P551352 | Lube Filter, Spin-On Full Flow | JOHN DEERE DZ118286, JOHN DEERE PMLF3703, NAPA 401062, BALDWIN B40168 | buy |
| Fuel filter | P550090 | Fuel Filter, In-Line | JOHN DEERE AE20952, JOHN DEERE AT101565, ASV INCORPORATED 0201914, LOESING 025125 | FridayParts $45.66 |
| Fuel filter | P551130 | Fuel Filter, Box | JOHN DEERE AR50041, JOHN DEERE R16951, NAPA 3370, BALDWIN BF909 | KuduParts $37.00 |
| Fuel / water separator | P551424 | Fuel Filter, Water Separator Spin-On | JOHN DEERE RE503198, JOHN DEERE RE522868, NAPA 3532, NAPA 600094 | KuduParts $16.00 FridayParts $18.50 |
| Fuel / water separator | P551422 | Fuel Filter, Water Separator Cartridge | JOHN DEERE AT274723, JOHN DEERE RE22878, NAPA 3978, CLAAS 0011318200 | KuduParts $22.00 FridayParts $24.50 |
Same engine, other brands
1 brandThe John Deere 6068HFG08 in this set also powers 1 generator set sold under 1 other brand. Service parts and maintenance intervals for the engine are shared; enclosure, alternator, controller and ratings are not.
| Brand | Models |
|---|---|
| MQ Power | DCA150SSJU4F |
Maintenance & consumables
for the John Deere 6068HFG08| Item | Spec | Capacity | Part # | Interval | |
|---|---|---|---|---|---|
| Air filter | Air Cleaner | GM90735 | Amazon eBay | ||
| Fuel filter | Primary | — | |||
| Oil filter | OIL FILTER (5970) (5975) | RE539279 | Amazon eBay $15.00 NAPA $41.24 KuduParts $27.00 FridayParts $28.99 | ||
| Belt | FAN BELT; LGTH = 1715 mm (2492) (24LN) | DZ118786 | Amazon eBay |
Common questions
What size generator is the Kohler 125REOZJ4?
The Kohler 125REOZJ4 is rated 130 kW standby (163.0 kVA).
What engine does the Kohler 125REOZJ4 use?
The Kohler 125REOZJ4 is powered by the John Deere 6068HFG08 engine.
What fuel does the Kohler 125REOZJ4 use?
The Kohler 125REOZJ4 runs on Diesel.
What is the oil capacity of the Kohler 125REOZJ4?
The John Deere 6068HFG08 engine in the Kohler 125REOZJ4 has an oil capacity of 28.5 liters.
How much coolant does the Kohler 125REOZJ4 hold?
The Kohler 125REOZJ4 cooling system holds 35.6 liters (9.4 US gallons) for the radiator system including the engine, per the manufacturer specification sheet.
What is the prime power rating of the Kohler 125REOZJ4?
The Kohler 125REOZJ4 is rated 117 kW prime (146 kVA), against 130 kW standby.
How loud is the Kohler 125REOZJ4?
The Kohler 125REOZJ4 is rated at 70.0 dBA at 7 m, per the manufacturer specification sheet.
How much does the Kohler 125REOZJ4 weigh?
The Kohler 125REOZJ4 has a dry weight of 3501 kg (7718 lb).
What size fuel tank does the Kohler 125REOZJ4 have?
The Kohler 125REOZJ4 has a 923 liter (244 US gallon) fuel tank, giving about 24 hours of runtime.
What voltages is the Kohler 125REOZJ4 available in?
The Kohler 125REOZJ4 is offered in 120/208 V, 120/240 V, 277/480 V, 347/600 V, 3-phase.
What size battery does the Kohler 125REOZJ4 need?
The Kohler 125REOZJ4 uses 2 batteryies, 12 V each, 400 CCA, per the manufacturer specification sheet.
What alternator comes on the Kohler 125REOZJ4?
The Kohler 125REOZJ4 uses a 4R13X alternator.
What oil filter fits the Kohler 125REOZJ4?
The Kohler 125REOZJ4 uses oil filter part number RE539279.
What fuel filter fits the Kohler 125REOZJ4?
The Kohler 125REOZJ4 uses fuel filter part numbers KOHLER GM50006, KOHLER GM48727.
Which air filter part number does the Kohler 125REOZJ4 take?
The Kohler 125REOZJ4 uses air filter part number GM90735.
Parts
58| Part # | Description | Qty | System | |
|---|---|---|---|---|
| DZ110083 | STARTER | 1 | Starter | Amazon eBay |
| DZ112918 | SECONDARY FUEL FILTER | 1 | Fuel filter | Amazon eBay $117.99 NAPA $166.71 FridayParts $62.20 |
| DZ115392 | Secondary Fuel Filter | 1 | Fuel filter | Amazon eBay $29.95 KuduParts $43.00 |
| DZ118556 | FAN BELT | 1 | Belt | Amazon eBay |
| DZ118557 | FAN BELT | 4 | Belt | Amazon eBay |
| DZ118558 | FAN BELT | 1 | Belt | Amazon eBay $85.00 |
| DZ118559 | FAN BELT | (LGTH = 1700 MM) | Belt | Amazon eBay $55.53 |
| DZ118560 | FAN BELT | 1 | Belt | Amazon eBay |
| DZ118561 | FAN BELT; LGTH = 1750 mm (24JX) | Belt | Amazon eBay $41.99 | |
| DZ118786 | FAN BELT | 1 | Belt | Amazon eBay |
| DZ121128 | FAN BELT; LGTH = 1725 mm (24JW) | Belt | Amazon eBay | |
| DZ121129 | FAN BELT | LGTH = 1745 mm (24PD) | Belt | Amazon eBay |
| DZ121133 | FAN BELT | Belt | Amazon eBay | |
| DZ123153 | ALTERNATOR | 1 | Alternator | Amazon eBay $299.00 |
| DZ128543 | PRIMARY FUEL FILTER | 1 | Fuel filter | Amazon eBay $44.95 NAPA $65.51 KuduParts $24.00 FridayParts $26.20 |
| GM90735 | Air Cleaner | 1 | Air filter | Amazon eBay |
| GM91358 | Element, Air Cleaner | 1 | Air filter | Amazon eBay |
| GM91647 | Hose, Hump | 1 | Hose | Amazon eBay |
| GM92823 | Element, Air Cleaner Safety | 1 | Air filter | Amazon eBay |
| RE505939 | (1321) | (OD = 188 MM) | Pulley | Amazon eBay $199.99 |
| RE508578 | CRANKSHAFT PULLEY & DAMPER (OD = 264 mm) (1320) | 1 | Pulley | Amazon eBay $725.00 |
| RE520906 | PRIMARY FUEL FILTER | 3 | Fuel filter | Amazon eBay $39.99 NAPA $154.09 KuduParts $38.00 FridayParts $39.85 |
| RE523501 | STARTER (3073) | 1 | Starter | Amazon eBay $216.60 NAPA $314.27 FridayParts $285.90 |
| RE523502 | STARTER | 1 | Starter | Amazon eBay $213.99 NAPA $270.78 FridayParts $187.69 SinoCMP $339.00 |
| RE528428 | CRANKSHAFT PULLEY & DAMPER (OD = 264 mm) (1340) | 1 | Pulley | Amazon eBay |
| RE537508 | ALTERNATOR | 12V, 120A (3157) | Alternator | Amazon eBay $161.13 NAPA $223.78 FridayParts $257.99 |
| RE539279 | ENGINE OIL FILTER | 1 | Oil filter | Amazon eBay $15.00 NAPA $41.24 KuduParts $27.00 FridayParts $28.99 |
| RE541578 | CRANKSHAFT PULLEY AND DAMPER; OD = 190 mm (1343) | Fuel filter | Amazon eBay $1965.58 | |
| RE549229 | STARTER | 1 | Starter | Amazon eBay $484.01 NAPA $436.99 FridayParts $189.99 |
| RE549230 | STARTER | (24V, PA90L) | Starter | Amazon eBay $295.00 FridayParts $315.99 |
| RE550906 | ALTERNATOR | 12V, 240A (3165) | Alternator | Amazon eBay |
| RE551637 | STARTER (12 V) | 1 | Starter | Amazon eBay |
| RE551644 | STARTER | 1 | Starter | Amazon eBay $1245.60 NAPA $236.54 FridayParts $203.00 |
| RE552251 | STARTER | 1 | Starter | Amazon eBay |
| RE555751 | ALTERNATOR | 1 | Alternator | Amazon eBay $177.95 NAPA $340.70 SinoCMP $369.00 |
| RE558675 | ALTERNATOR | (24V, 60A) | Alternator | Amazon eBay |
| RE558676 | ALTERNATOR | 1 | Alternator | Amazon eBay $156.95 NAPA $326.29 FridayParts $168.00 |
| RE558678 | ALTERNATOR | 1 | Alternator | Amazon eBay $442.80 NAPA $315.19 FridayParts $310.88 |
| RE564633 | STARTER | (24V, 4KW) | Starter | Amazon eBay $202.95 FridayParts $315.20 |
| T282795 | FAN BELT | LGTH = 1690 mm (24PJ) | Belt | Amazon eBay |
| DZ100304 | Diesel Exhaust Fluid Inline Filter | 1 | Service part / kit | Amazon eBay $84.99 |
| 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 |
| DZ110562 | Crankcase Vent System (USE WITH DZ113378 974G) | 1 | Service part / kit | Amazon eBay $49.99 |
| DZ111004 | DEF TANK HEADER FILTER (25 Micron) | 1 | Service part / kit | Amazon eBay $58.00 |
| DZ111166 | (3402) (3404) (3408) (3409) (974G) | 1 | Service part / kit | Amazon eBay |
| DZ114640 | DIESEL EXHAUST FLUID (DEF) DOSING UNIT FILTER | 1 | Service part / kit | Amazon eBay $17.65 FridayParts $14.30 |
| DZ114695 | DEF TANK INLET SCREEN | 1 | Service part / kit | Amazon eBay |
| DZ119883 | TORSIONAL DAMPER | (OD = 350 mm) | Service part / kit | Amazon eBay |
| R113480 | FAN PULLEY | Service part / kit | Amazon eBay | |
| R128659 | FAN PULLEY | 1 | Service part / kit | Amazon eBay $142.04 |
| R128660 | FAN PULLEY | (OD = 168 MM) | Service part / kit | Amazon eBay $72.11 FridayParts $121.60 |
| R128662 | FAN PULLEY (OD = 203 mm) | (OD = 203 MM) | Service part / kit | Amazon eBay $175.75 |
| R522890 | FAN PULLEY | Service part / kit | Amazon eBay | |
| R545125 | CRANKSHAFT PULLEY (OD = 188 mm) | (OD = 188 MM) | Service part / kit | Amazon eBay $349.95 |
| RE505940 | (6895) | 1 | Service part / kit | Amazon eBay $975.00 |
| RE505941 | (OD = 188 mm) | 1 | Service part / kit | Amazon eBay $500.00 |
| RE57604 | TORSIONAL DAMPER | (OD = 271 mm) (1303) | Service part / kit | Amazon eBay $380.00 |
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.
Fuel consumption
| Rating | Load | L/h | gal/h |
|---|---|---|---|
| Prime | 25% | 10.6 | 2.8 |
| Prime | 50% | 17.8 | 4.7 |
| Prime | 75% | 25.0 | 6.6 |
| Prime | 100% | 32.5 | 8.6 |
| Standby | 25% | 11.3 | 3.0 |
| Standby | 50% | 19.3 | 5.1 |
| Standby | 75% | 27.2 | 7.2 |
| Standby | 100% | 34.0 | 9.4 |
Available documents
This page was generated from the 4 manufacturer documents above by automated extraction; every figure shown is copied from one of them. How the data is compiled.