The John Deere 6068HF285 is a 6.8 L 6-cylinder turbocharged, charge air-cooled engine rated at 1800 rpm, producing up to 177 kW. It powers generator sets from AKSA, Clarke, DCA, Kohler, MQ Power and MTU, including the APD-ULJ150, RC185D, 85USJ2 and 150REOZJF. It holds 27.9 L (7.4 gal) of oil and 25.7 L (6.8 gal) of coolant.
Also known as: John Deere 6068HF285, 6068 HF285
Part of the John Deere 6068 engine family — 62 variants share parts & fitment.
| Oil capacity | 27.9 L |
|---|---|
| Coolant capacity | 25.7 L |
| Displacement | 6.8 L |
| Cylinders | 6 |
| Aspiration | Turbocharged, Charge Air-Cooled |
| Rated speed | 1800 rpm |
| Gross power | 177 kW |
Shared across brands: AKSA, Clarke, DCA, Kohler, MQ Power, MTU
Compiled from service & troubleshooting documentation across every generator set that uses the John Deere 6068HF285.
| Item | Spec | Capacity | Part # | Interval | |
|---|---|---|---|---|---|
| Fuel filter | Secondary | GM50006 | Amazon eBay $35.39 PartsGeek | ||
| Oil filter | Cartridge | GM32809 | Amazon eBay $42.50 PartsGeek | ||
| Oil | 27.9 | — | 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 6068HF285 engine has an oil capacity of 27.9 liters.
The John Deere 6068HF285 has a displacement of 6.8 liters with 6 cylinders.
The John Deere 6068HF285 powers 8 generator set(s), including AKSA APD-ULJ150, Clarke RC185D, DCA 85USJ2, Kohler 150REOZJF, MQ Power DCA-85USJ2.
The John Deere 6068HF285 uses oil filter part numbers Kohler GM32809, Kohler 360031, Kohler 223604.
The John Deere 6068HF285 uses fuel filter part numbers Kohler GM50006, Kohler GM48727, Kohler GM50074.
The John Deere 6068HF285 oil change interval is every 500 hours.
A commonly reported issue on generators using the John Deere 6068HF285 is: HIGH COOLANT TEMP. Fix: To acknowledge and “Hide” the fault and return to the single or four parameter display touch the “Enter Button”. The display will return to the single or four parameter display but the display will contain the “Active Fault” warning icon. Touching the “Enter Button” will redisplay the hidden fault. Touching the “Enter Button” once again will hide the fault and return the screen to the single or four parameter display..