The John Deere 6068HFG08 is a 6.8 L turbocharged, charge air cooled engine rated at 1800 rpm. It powers generator sets from Kohler and MQ Power, including the 125REOZJ4, 150 REOZJ4 and DCA150SSJU4F. It holds 15.6 L (4.1 gal) of oil and 35.6 L (9.4 gal) of coolant.
Also known as: John Deere 6068HFG08
Part of the John Deere 6068 engine family — 56 variants share parts & fitment.
| Oil capacity | 15.6 L |
|---|---|
| Coolant capacity | 35.6 L |
| Displacement | 6.8 L |
| Aspiration | Turbocharged, Charge Air Cooled |
| Rated speed | 1800 rpm |
Shared across brands: Kohler, MQ Power
This engine also powers 1 machine(s) on Power Equipment Info.
| Item | Spec | Capacity | Part # | Interval | |
|---|---|---|---|---|---|
| Fuel filter | Primary | — | find | ||
| Oil filter | Cartridge | — | find |
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 (12V, 75A) | 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 |
| R500277 | FAN BELT | 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 |
| DZ100304 | Diesel Exhaust Fluid Inline Filter | 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 | 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 |
| 10000037182 | Clamp, hose - spring type CTB-27ST | hose |
| 50332 | Hose, fuel .750 ID 35 PSI SAE 30R7 | hose |
| 60316 | Clamp, hose - SAE 032 (1.56-2.50) | hose |
| 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 |
| 003574 | Quick Disconnect Fittings for the Lights | other_service |
| 006429 | Owner’s Manual for Mobile Generator | other_service |
| 2x594 | Ampere rating | other_service |
| 46606373 | other_service | |
| 51551 | Decal set, safety | other_service |
| 51552 | Decal, high temp | other_service |
| 54005 | CAP, DEF FILL | other_service |
| 55104 | CAP, FUEL FILL 3.50 - GREEN | other_service |
| 9753300442 | Oil sample kit | other_service |
| DCA-125USJ | Battery Connections | other_service |
| DCA-150USJ | Battery Connections | 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 |
| GM75552 | Block Heater Kit | other_service |
| GM75553 | Block Heater Kit | 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 |
| RE571655 | Short Block Assembly | 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 |
| 2.03 | Starter motor rated | starter |
| 2.76 | Starter motor rated | starter |
| DZ110068 | Starter Motor (12V) | starter |
| 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 6068HFG08 engine has an oil capacity of 15.6 liters.
The John Deere 6068HFG08 has a displacement of 6.8 liters.
The John Deere 6068HFG08 powers 3 generator set(s), including Kohler 125REOZJ4, Kohler 150 REOZJ4, MQ Power DCA150SSJU4F.
The John Deere 6068HFG08 uses oil filter part numbers Kohler GM32809, Kohler 360031, Kohler 223604.
The John Deere 6068HFG08 uses fuel filter part numbers Kohler GM50006, Kohler GM48727, Kohler GM50074.