The John Deere 6068HFS82 is a 6.8 L turbocharged engine rated at 1800 rpm. It powers generator sets from John Deere and Kohler, including the 125REOZT and 125REOZT. It holds 33 L (8.7 gal) of oil and 25.8 L (6.8 gal) of coolant.
Also known as: John Deere 6068HFS82
Part of the John Deere 6068 engine family — 62 variants share parts & fitment.
| Oil capacity | 33.0 L |
|---|---|
| Coolant capacity | 25.8 L |
| Displacement | 6.8 L |
| Aspiration | Turbocharged |
| Rated speed | 1800 rpm |
Shared across brands: John Deere, Kohler
| Item | Spec | Capacity | Part # | Interval | |
|---|---|---|---|---|---|
| Air filter | clean when clogging indicator is red, replace after 6 cleanings or once a year | — | find | ||
| Fuel filter | — | 500 hr | find | ||
| Oil filter | — | 500 hr | find | ||
| Belt | check tension every 500 hours on 3029 and 4039 engines, and on 4045 and 6068 engines with manual tensioner. Check automatic tensioner every 1000 hours/once a year on 4045 and 6068 engines. | — | find | ||
| Coolant | drain and flush every 2500 hours/3 years with John Deere COOL GARD, otherwise every 2000 hours/2 years | — | |||
| Oil | — | 500 hr |
Pooled from every document that names this exact engine — confirm the interval and part number against your unit's serial number.
| Part # | Description | Category |
|---|---|---|
| G030077 | Air Cleaner Element (Engine) Primary | air_filter |
| G030078 | Air Cleaner Element (Engine) Secondary | air_filter |
| GM90735 | Air Cleaner | air_filter |
| GM91358 | Element, Air Cleaner | air_filter |
| GM92823 | Element, Air Cleaner Safety | air_filter |
| MQ-125-AIR-FILTER | Air Filter | air_filter |
| DZ114956 | ALTERNATOR | alternator |
| DZ117503 | ALTERNATOR (24V, 140A) (3127) | alternator |
| DZ123153 | ALTERNATOR | alternator |
| RE505895 | ALTERNATOR | alternator |
| RE506196 | ALTERNATOR (12 V, 55 AMP) | alternator |
| RE533516 | ALTERNATOR | alternator |
| RE533653 | ALTERNATOR | alternator |
| RE533654 | ALTERNATOR (12V, 120A) | alternator |
| RE537146 | ALTERNATOR (28V, 50A) (3142) | alternator |
| RE537508 | ALTERNATOR | alternator |
| RE550906 | ALTERNATOR | alternator |
| RE555751 | ALTERNATOR | alternator |
| RE558675 | ALTERNATOR | alternator |
| RE558676 | ALTERNATOR | alternator |
| RE558678 | ALTERNATOR | alternator |
| RM100224 | ALTERNATOR (REMAN FOR RE505895) (12V, 75A) (3135) | alternator |
| SE501341 | (REMAN FOR AT161324, DZ114957) (3142) | alternator |
| 8972824026 | Battery Acid charge Pb-Ca maintenance free, 24V - 1100 CCA | battery |
| MQ-125-BATTERY | Battery | battery |
| DZ114929 | FAN BELT (LGTH = 1655 mm) | belt |
| DZ115455 | FAN BELT (LGTH = 1550 mm) | belt |
| DZ115812 | FAN BELT (LGTH = 1680 mm) | belt |
| DZ117267 | FAN BELT (LGTH = 1690 mm) | belt |
| DZ117268 | FAN BELT (LGTH = 1530 mm) | belt |
| DZ118556 | FAN BELT | belt |
| DZ118557 | FAN BELT | belt |
| DZ118558 | FAN BELT | belt |
| DZ118559 | FAN BELT | belt |
| DZ118560 | FAN BELT (LGTH = 1720 mm) | belt |
| DZ118561 | FAN BELT (LGTH = 1750 mm) | belt |
| DZ118764 | FAN BELT (LGTH = 1525 mm) | belt |
| DZ118781 | FAN BELT (LGTH = 1700 mm) | belt |
| DZ118786 | (LGTH=1715 mm) (24GL) | belt |
| DZ118815 | FAN BELT (LGTH = 1725 mm) | belt |
| DZ119018 | FAN BELT | belt |
| DZ119059 | FAN BELT | belt |
| DZ119060 | FAN BELT (LGTH = 1555 mm) | belt |
| DZ119061 | FAN BELT (LGTH = 1540 mm) | belt |
| DZ119062 | FAN BELT | belt |
| DZ119063 | FAN BELT | belt |
| DZ119416 | FAN BELT | belt |
| DZ119477 | FAN BELT (LGTH = 1565 mm) | belt |
| DZ119478 | FAN BELT (LGTH = 1570 mm) | belt |
| DZ119515 | FAN BELT | belt |
| DZ119516 | FAN BELT | belt |
| DZ119520 | FAN BELT | belt |
| DZ119521 | FAN BELT | belt |
| DZ119522 | FAN BELT | belt |
| DZ119530 | FAN BELT (LGTH = 1675 mm) | belt |
| DZ119531 | FAN BELT | belt |
| DZ119533 | FAN BELT | belt |
| DZ119715 | FAN BELT | belt |
| DZ121128 | FAN BELT (LGTH = 1725 mm) | belt |
| DZ121129 | FAN BELT | belt |
| DZ121133 | FAN BELT | belt |
| MQ-125-BELT | V-Belt | belt |
| R134625 | FAN BELT (LGTH = 1645 mm) | belt |
| T282795 | FAN BELT | belt |
| T428692 | FAN BELT (LGTH = 1665 mm) | belt |
| T428724 | FAN BELT (LGTH = 1575 mm) | belt |
| T428725 | FAN BELT | belt |
| T428818 | FAN BELT | belt |
| T428820 | FAN BELT (LGTH = 1580 mm) | belt |
| T428822 | FAN BELT | belt |
| T428823 | FAN BELT | belt |
| T428825 | FAN BELT | belt |
| T428863 | FAN BELT | belt |
| VP64S17 | Pump Belt | belt |
| 362140-S | Main controller circuit board | controller_board |
| MOOOOO-20001Q | Auto START/STOP Engine Controller (ECU) | ecm |
| RE520385 | Short Block Assembly (L-M-NL1066T, M99C2) | engine |
| 011134 | Engine exhaust | engine_exhaust |
| 5990101 | Power switching device (contactor) | exerciser_switch |
| MQ-125-FUEL-FILTER | Fuel Filter | filter |
| MQ-125-OIL-FILTER | Oil Filter | filter |
| G122208 | Clarke Eng Fluid - 5 gal | fluid |
| G122209 | Clarke Eng Fluid -1 gal | fluid |
| MQ-125-COOLANT | Coolant | fluid |
| MQ-125-OIL | Engine Oil | fluid |
| CO2775 | Element, Fuel Water Separator | fuel_filter |
| CO2776 | Element, Fuel Filter Primary | fuel_filter |
| DZ112918 | SECONDARY FUEL FILTER | fuel_filter |
| DZ115392 | Secondary Fuel Filter | fuel_filter |
| DZ128543 | FUEL FILTER (35HS) (35HT) (35HU) (35HV) | fuel_filter |
| RE509031 | ENGINE SECONDARY FUEL FILTER | fuel_filter |
| RE509208 | ENGINE PRIMARY FUEL FILTER | fuel_filter |
| RE520906 | PRIMARY FUEL FILTER | fuel_filter |
| RE541578 | CRANKSHAFT PULLEY AND DAMPER; OD = 190 mm (1343) | fuel_filter |
| RE60021 | FINAL FUEL FILTER | fuel_filter |
| RE62419 | FUEL FILTER | fuel_filter |
| 011135 | Generator box | generator_box |
| GM91647 | Hose, Hump | hose |
| C04521 | Element, Oil Filter | oil_filter |
| DZ118286 | OIL FILTER | oil_filter |
| RE504836 | OIL FILTER | oil_filter |
| RE539279 | ENGINE OIL FILTER | oil_filter |
| 006429 | Owner’s Manual for Mobile Generator | other_service |
| 054199 | LUG SLDLSS 600/250-1/0 X 1/4-28 | other_service |
| 0F1732 | DECAL FUSES LOCATED INSIDE | other_service |
| 46606373 | other_service | |
| 9753300442 | Oil sample kit | other_service |
| DCA-125USJ | Battery Connections | other_service |
| DCA-150USJ | Battery Connections | other_service |
| DZ100304 | (3401) (3402) (3404) (3405) (3406) | other_service |
| DZ105100 | CRANKCASE VENT FILTER | other_service |
| DZ105796 | OCV FILTER | other_service |
| DZ110282 | SHORT BLOCK ASSEMBLY | other_service |
| DZ110562 | Crankcase Vent System (USE WITH DZ113378 974G) | other_service |
| DZ111004 | DEF TANK HEADER FILTER (25 Micron) | other_service |
| DZ111166 | (3402) (3404) (3408) (3409) (974G) | other_service |
| DZ114640 | DIESEL EXHAUST FLUID (DEF) DOSING UNIT FILTER | other_service |
| DZ114695 | DEF TANK INLET SCREEN | other_service |
| DZ119883 | TORSIONAL DAMPER | other_service |
| G122191 | 250 hour Maintenance Kit (without fluids) | other_service |
| G122196 | 250 hour Maintenance Kit (& engine fluids) | other_service |
| G122201 | 500 hour Maintenance Kit (without fluids) | other_service |
| G122206 | 500 hour Maintenance Kit (& Engine fluids) | other_service |
| M2870400404 | Parts List No. | other_service |
| M2870400404C | other_service | |
| M3870400104 | other_service | |
| R113480 | FAN PULLEY | other_service |
| R128658 | FAN PULLEY | other_service |
| R128659 | FAN PULLEY | other_service |
| R128660 | FAN PULLEY | other_service |
| R128662 | FAN PULLEY (OD = 203 mm) | other_service |
| R133295 | CRANKSHAFT PULLEY (OD = 169 mm) | other_service |
| R133296 | CRANKSHAFT PULLEY & DAMPER (OD = 193 mm) | other_service |
| R522890 | FAN PULLEY | other_service |
| R545125 | CRANKSHAFT PULLEY (OD = 188 mm) | other_service |
| RE500013 | CRANKSHAFT PULLEY & DAMPER | other_service |
| RE505881 | (2’) | other_service |
| RE505940 | (2’) | other_service |
| RE505941 | (OD = 188 mm) | other_service |
| RE57604 | TORSIONAL DAMPER | other_service |
| RE59355 | CRANKSHAFT PULLEY & DAMPER | other_service |
| SE501094 | CONNECTING ROD (REMAN FOR RE500608) (4838) | other_service |
| SE501581 | CYLINDER HEAD (REMAN FOR RE57489) (5107) | other_service |
| RE505939 | (1321) | pulley |
| RE508578 | CRANKSHAFT PULLEY | pulley |
| RE528428 | CRANKSHAFT PULLEY & DAMPER (OD = 264 mm) (1340) | pulley |
| SE501236 | FUEL INJECTION PUMP (REMAN FOR RE518088) (16L8, 16L9) | pump |
| SE501609 | (REMAN FOR RE546906) (4433) (4434) (4446) (4447) | pump |
| SE501814 | OIL PUMP (REMAN FOR DZ100057) (5001) | pump |
| MQ-125-SPARK-PLUG | Spark Plug | spark_plug |
| DZ110083 | STARTER | starter |
| DZ129200 | STARTER | starter |
| RE501150 | STARTER | starter |
| RE501166 | STARTER | starter |
| RE523501 | STARTER (3073) | starter |
| RE523502 | STARTER | starter |
| RE540301 | STARTER (12V, 2.5KW) (3005) | starter |
| RE540302 | STARTER | starter |
| RE546868 | STARTER | starter |
| RE549229 | STARTER | starter |
| RE549230 | STARTER | starter |
| RE551637 | STARTER (12 V) | starter |
| RE551644 | STARTER | starter |
| RE552251 | STARTER | starter |
| RE564633 | STARTER | starter |
| RE64474 | STARTER | starter |
| RE65175 | STARTER | starter |
| RE65189 | STARTER | starter |
| RE70474 | STARTER (12V, 4.8KW) | starter |
| RE70957 | STARTER | starter |
| RE70960 | STARTER | starter |
| RE70961 | STARTER | starter |
| SE501401 | STARTER (REMAN FOR RE540301) (12V, 2.5KW) (3005) | starter |
| SE502632 | STARTER | starter |
| SE502333 | TURBOCHARGER (REMAN FOR RE509435) (65EC) | turbocharger |
Parts cataloged across all variants of this engine family — verify the exact part fits your specific variant and serial number before ordering.
Parts listed by aftermarket suppliers as fitting this engine — leads compiled from supplier catalogs; verify the exact part for your serial number.
Cross-referenced via Donaldson + OEM/engine-maker interchange — options to verify against your serial number, not confirmed for every exact variant.
Other equipment known to use this engine, via filter-application cross-reference — useful for sourcing parts even when your exact machine isn't listed elsewhere on this page.
The John Deere 6068HFS82 engine has an oil capacity of 33.0 liters.
The John Deere 6068HFS82 has a displacement of 6.8 liters.
The John Deere 6068HFS82 powers 2 generator set(s), including John Deere 125REOZT, Kohler 125REOZT.
The John Deere 6068HFS82 uses oil filter part numbers John Deere RE519987, John Deere RE555072, John Deere DZ118286.
The John Deere 6068HFS82 uses fuel filter part numbers John Deere N378886, John Deere AE29052, John Deere AT433554.
The John Deere 6068HFS82 uses air filter part numbers John Deere AR79680, John Deere 4S00686R, John Deere AH115833.
The John Deere 6068HFS82 oil change interval is every 500 hours.