Maintenance schedule
| Item | Spec | Capacity | Part # | Interval | |
|---|---|---|---|---|---|
| Fuel filter | Primary | — | |||
| Oil filter | Cartridge | — |
Pooled from every document that names this exact engine — confirm the interval and part number against your unit's serial number.
The John Deere 4045HFG04 is a 4.5 L 4-cylinder turbocharged, charge air-cooled engine rated at 1800 rpm, producing up to 99 kW. It powers generator sets from Generac and Kohler, including the MDG75DF4, 80REOZJ4 and 90REOZT4. It holds 21 L (5.5 gal) of oil and 26.1 L (6.9 gal) of coolant.
Also known as: John Deere 4045HFG04
Part of the John Deere 4045 engine family — 66 variants share parts & fitment.
The cheapest captured merchant offer per filter — see the full cross-reference below for every OEM/aftermarket option.
Prices captured from merchant listings; some links are affiliate links. Verify against your serial number before ordering.
| Oil capacity | 21.0 L |
|---|---|
| Coolant capacity | 26.1 L |
| Displacement | 4.5 L |
| Cylinders | 4 |
| Aspiration | Turbocharged, Charge Air-Cooled |
| Rated speed | 1800 rpm |
| Gross power | 99 kW |
Shared across brands: Generac, Kohler
Compiled from service & troubleshooting documentation across every generator set that uses the John Deere 4045HFG04.
| Item | Spec | Capacity | Part # | Interval | |
|---|---|---|---|---|---|
| Fuel filter | Primary | — | |||
| Oil filter | Cartridge | — |
Pooled from every document that names this exact engine — confirm the interval and part number against your unit's serial number.
| Item | Action | Hours | Months | Notes |
|---|---|---|---|---|
| Coolant | Other | 3 hr | 36 mo | Add coolant |
| DEF tank | Clean | 3 hr | 36 mo | |
| Fuel system | Other | 3 hr | 36 mo | Bleed fuel system |
| Fuses | Check | 3 hr | 36 mo | |
| Engine oil and oil filter | Change | 250 hr | First service — First change at 100 hours | |
| Oil vapor recirculation system/non-return valve | Check | 250 hr | ||
| Air intake hoses, connections and system | Check | 500 hr | 12 mo | |
| Automatic belt tensioner and belt wear | Check | 500 hr | 12 mo | |
| Cooling system | Check | 500 hr | 12 mo | |
| Engine electrical ground connection | Check | 500 hr | 12 mo | |
| Engine mounts | Check | 500 hr | 12 mo | |
| Fan belt | Inspect | 500 hr | 12 mo | Remove and check for wear; inspect pulleys/bearings |
| Generator drive plate torque | Check | 500 hr | 12 mo | |
| Leveling jacks | Lubricate | 500 hr | 12 mo | |
| Thermostats | Test | 500 hr | 12 mo | |
| Wheel bearings | Inspect | 500 hr | 12 mo | Increased inspection required under dusty or damp conditions |
| Trailer wheel bearings | Lubricate | 12 mo | or every 12,000 miles (19,312 km) |
Extracted from the manufacturer documentation linked to this model. Values are copied as printed; confirm against your unit's manual and serial number.
| Type | Item | Value | Unit | Condition |
|---|---|---|---|---|
| Pressure | Oil pressure shutdown threshold | 5 | psi (34 kPa) | within five seconds of start |
| Speed | Low idle speed | 1,000-1,200 | rpm | |
| Speed | Ramp-up run speed | 1,800 | rpm | after 15 seconds at idle if idle switch OFF |
| Temperature | DEF freezing point | 12 | °F (-11°C) | |
| Temperature | DEF quality degrades above | 140 | °F (60°C) | |
| Temperature | Engine overheating shutdown threshold | 230 | °F | |
| Temperature | High coolant temperature shutdown | 210 | °F (99°C) | |
| Temperature | Maximum allowable coolant temperature limit | 235 | °F (113°C) | |
| Torque | Generator drive plate bolts | 40 | ft-lb (54 Nm) | |
| Torque | Trailer wheel lug nuts, first pass | 20-25 | ft-lb (27-33 Nm) | |
| Torque | Trailer wheel lug nuts, second pass | 50-60 | ft-lb (67-81 Nm) | |
| Torque | Trailer wheel lug nuts, third pass | 90-120 | ft-lb (122-162 Nm) |
Extracted from the manufacturer documentation linked to this model. Values are copied as printed; confirm against your unit's manual and serial number.
| Fluid | Grade | Standard | Ambient | Capacity | Notes |
|---|---|---|---|---|---|
| Coolant | ethylene glycol antifreeze/water | 21.0 L (5.5 gal) | 50% water/50% antifreeze = -12°F(-24°C); 40/60 = -34°F(-36°C); max freeze protection 60% antifreeze = -54°F(-48°C) to -90°F(-67°C) | ||
| Def | AUS 32 per ISO 22241-1 | ISO 22241 / API DEF Certification / AdBlue | 41.6 L | 31.8-33.2% urea concentration; freezes below 12°F (-11°C); degrades above 140°F (60°C) | |
| Engine oil | John Deere Plus-50 / Plus-50 II; Torq-Gard Supreme; API CJ-4, CI-4 PLUS, CI-4, CH-4; ACEA E9, E7, E6, E5, E4 | API/ACEA | 15.0 L (3.92 gal, including filter) | 500-hour extended interval requires extended-drain oil pan, <2000 ppm sulfur fuel, John Deere Plus-50/Plus-50 II oil and approved filter | |
| Fuel | diesel | 641.85 L | Fuel tank capacity; usable 567.94 L |
Extracted from the manufacturer documentation linked to this model. Values are copied as printed; confirm against your unit's manual and serial number.
| Code | Name | Meaning | Severity | Action |
|---|---|---|---|---|
| Emergency Stop | Emergency Stop indicator LED | Emergency Stop switch is active (pushed in). | Shutdown | Deactivate (pull out) Emergency Stop switch. |
| Low Load | Low Load indicator LED | Genset has operated at less than 30% capacity for more than 15 minutes. | Warning | Increase electrical load or use a smaller generator. |
| Lug Door Open | Lug Door Open indicator LED | Lug-box door is open. | Warning | Close lug-box door; inspect door safety switch if unresolved. |
| Shutdown | Shutdown indicator LED | A shutdown alarm is present. | Shutdown | Resolve shutdown condition. |
Extracted from the manufacturer documentation linked to this model. Values are copied as printed; confirm against your unit's manual and serial number.
Tools: torque wrench
⚠ Do not attempt to start a unit in need of repair or scheduled maintenance
⚠ Carbon monoxide/asphyxiation hazard
Extracted from the manufacturer documentation linked to this model. Values are copied as printed; confirm against your unit's manual and serial number.
| Part # | Description | Category |
|---|---|---|
| SE503064 | (REMAN FOR AT172975) (7424) | a_c_compressor |
| SE503065 | (REMAN FOR AH169875) (7425) | a_c_compressor |
| 100-025 | Air Filter | air_filter |
| 253108 | Element, air cleaner | air_filter |
| 301315 | Air Filter Element for Compressor | air_filter |
| DZi05100 | CRANKCASE VENT SYSTEM OCV FILTER | air_filter |
| F1000000001 | Air Filter | air_filter |
| G030070 | Air Cleaner Element (Engine) Primary | air_filter |
| G030071 | Air Cleaner Element (Engine) Secondary | air_filter |
| G030073 | Air Cleaner Element (Engine) Primary | air_filter |
| G030074 | Air Cleaner Element (Engine) Secondary | air_filter |
| G030077 | Air Cleaner Element (Engine) Primary | air_filter |
| G030078 | Air Cleaner Element (Engine) Secondary | air_filter |
| G30070 | Air Cleaner Element (Engine) Primary | air_filter |
| DZ123153 | ALTERNATOR | alternator |
| RE509080 | ALTERNATOR (12V, DENSO) | alternator |
| RE533516 | ALTERNATOR | alternator |
| RE533653 | ALTERNATOR | alternator |
| RE533654 | ALTERNATOR | alternator |
| RE537146 | (28V, 50A, ISKRA) (3142) | alternator |
| RE537508 | ALTERNATOR | alternator |
| RE555751 | ALTERNATOR | alternator |
| RE558675 | ALTERNATOR | alternator |
| RE558676 | ALTERNATOR | alternator |
| RE558678 | ALTERNATOR | alternator |
| RES58675 | ALTERNATOR (24V, 60A) | alternator |
| SE502561 | ALTERNATOR (REMAN FOR RE537508) | alternator |
| SE502626 | ALTERNATOR (REMAN FOR RE533516) (12V, 75A) (3138) | alternator |
| SE502627 | ALTERNATOR (REMAN FOR RE533653) (12V, 95A) (3107) | alternator |
| SE502628 | ALTERNATOR (REMAN FOR RE533654) (12V, 120A) (3108) | alternator |
| RM100225 | ALTERNATOR (REMAN FOR RE537146) (24V, 50A) (3104) | alternator_reman |
| RE536402 | SHORT BLOCK ASSEMBLY | assembly |
| 100-024 | Belt | belt |
| DZ118265 | FAN BELT | belt |
| DZ118558 | FAN BELT | belt |
| DZ118559 | FAN BELT | belt |
| DZ118560 | FAN BELT | belt |
| DZ118562 | FAN BELT | belt |
| DZ118563 | FAN BELT | belt |
| DZ118564 | FAN BELT | belt |
| DZ118606 | FAN BELT | belt |
| DZ118648 | FAN BELT | belt |
| DZ118649 | FAN BELT | belt |
| DZ118650 | FAN BELT | belt |
| DZ118652 | FAN BELT | belt |
| DZ118654 | FAN BELT | belt |
| DZ119059 | FAN BELT | belt |
| DZ119060 | FAN BELT (LGTH = 1555 mm) | belt |
| DZ119061 | FAN BELT (LGTH = 1540 mm) | belt |
| DZ119385 | FAN BELT (LGTH = 1650 mm) | belt |
| DZ119477 | FAN BELT (LGTH = 1565 mm) | belt |
| DZ119478 | FAN BELT (LGTH = 1570 mm) | belt |
| DZ119515 | FAN BELT | belt |
| DZ119522 | FAN BELT | belt |
| DZ124645 | FAN BELT | belt |
| F1000000005 | Belt | belt |
| GM66704-1 | Fan Belt (12V) | belt |
| GM66704-2 | Fan Belt (24V) | belt |
| R525434 | FAN BELT (LGTH = 2180 mm) | belt |
| R525435 | FAN BELT (LGTH = 2190 mm) | belt |
| R533596 | FAN BELT | belt |
| T428820 | FAN BELT (LGTH = 1580 mm) | belt |
| SE501794 | COMPLETE BLOCK ASSEMBLY (without auxilary drive may not be as illustrated. Includes cylinder head with valves and rocker arm assembly, balancer shafts, oil pump assembly, complete gasket kit with front and rear seals) | block_assembly_reman |
| SE501795 | COMPLETE BLOCK ASSEMBLY (auxiliary drive may not be as illustrated. Includes cylinder head with valves and rocker arm assembly, balancer shafts, oil pump assembly, complete gasket kit with front and rear seals) | block_assembly_reman |
| F100-570 | CONTROL BOX ASSEMBLY | control_box |
| SE501426 | (REMAN FOR RE540302) (3012) | controller |
| SE501853 | STARTER (REMAN FOR RE506105) (12 V) | controller |
| 100-037 | Coolant Filter | coolant_filter |
| F1000000004 | Coolant Filter | coolant_filter |
| SE501806 | CYLINDER HEAD (REMAN FOR RE531088) (5127) | cylinder_head_reman |
| R111137 | Spring | engine |
| R121043 | Oil Bypass Valve | engine |
| F100-790 | ENGINE OPERATING PANEL ASSEMBLY | engine_operating_panel |
| F100-680 | ENGINE & RADIATOR ASSEMBLY | engine_radiator |
| G122208 | Clarke Eng Fluid - 5 gal | fluid |
| G122209 | Clarke Eng Fluid -1 gal | fluid |
| 100-026 | Fuel Filter | fuel_filter |
| CO2775 | Element, Fuel Water Separator | fuel_filter |
| CO2776 | Element, Fuel Filter Primary | fuel_filter |
| DZ115390 | SECONDARY FUEL FILTER | fuel_filter |
| F1000000003 | Fuel Filter | fuel_filter |
| G021199 | Element, Fuel Filter Primary | fuel_filter |
| GM32809 | Fuel Filter | fuel_filter |
| GM50006 | Fuel Filter | fuel_filter |
| GM50074 | Fuel Filter (primary) | fuel_filter |
| RE522868 | FINAL FUEL FILTER | fuel_filter |
| RE541922 | PRIMARY FUEL FILTER | fuel_filter |
| RE544394 | FINAL FUEL FILTER | fuel_filter |
| RG11830A | Final Fuel Filter/Water Separator Base | fuel_filter |
| RG11830C | Replace Final Fuel Filter/Water Separator | fuel_filter |
| RG9091 | Final Fuel Filter Assembly | fuel_filter |
| RG12000 | Injection Pump Drive Gear Removal | fuel_pump |
| RG12002 | Injection Pump | fuel_pump |
| RG12022 | Fuel Supply Pump Push Rod | fuel_pump |
| RG12036 | JDG1559 Injection Pump Timing Pin | fuel_pump |
| RG7629B | Injection Pump Timing Marks A—Timing Mark on Front Plate B—Timing Mark on Injection Pump Flange | fuel_pump |
| RG7722 | Fuel Injection Pump | fuel_pump |
| RG9051 | Fuel Supply Pump Lines | fuel_pump |
| 0000I00 | Fuel Solenoid | fuel_solenoid |
| R136495 | Gasket | gasket |
| R524468 | Gasket | gasket |
| F100-460 | GENERATOR ASSEMBLY | generator |
| F100-800 | GENERATOR ASSEMBLY | generator |
| 302600 | Air/Oil Coalescer Element, spin-on canister | hydraulic_filter |
| RG12001 | Injector Pump Electrical Connector Removal | injector |
| SE502671 | FUEL INJECTION NOZZLE (REMAN FOR RE545562) | injector |
| TS223 | UN—23AUG88 | light |
| F100-350 | NAME PLATE AND DECALS | nameplate |
| 100-034 | Oil Filter | oil_filter |
| 223604 | Filter, oil | oil_filter |
| 223673 | Filter, oil | oil_filter |
| 302601 | Oil Filter Element for Compressor | oil_filter |
| 352793 | Oil Filter | oil_filter |
| C04521 | Element, Oil Filter | oil_filter |
| F1000000002 | Oil Filter | oil_filter |
| GM77161 | Oil Filter | oil_filter |
| RE504836 | OIL FILTER | oil_filter |
| 10000015220 | Panel, rear | other_service |
| 10000015222 | Duct, rear | other_service |
| 10000024262 | Decal, phase switch warning | other_service |
| 10000024936 | Right rear corner assembly | other_service |
| 10000024948 | Front hood assembly | other_service |
| 10000024956 | Rear panel assembly | other_service |
| 10000024971 | Foam, duct - side | other_service |
| 10000024974 | Foam, rear duct - right | other_service |
| 10000024975 | Left rear corner assembly | other_service |
| 10000024976 | Left rear door assembly | other_service |
| 10000024982 | Foam, control door | other_service |
| 10000024983 | Foam, rear duct | other_service |
| 10000024994 | Foam, rear duct - left | other_service |
| 10000025002 | Foam, rear panel | other_service |
| 10000027288 | Door, control - paralleling option | other_service |
| 10000029864 | Decal set, MDG75 mechanical group | other_service |
| 10000030536 | Foam, control door - paralleling option | other_service |
| 10000030555 | Right rear corner assembly - paralleling | other_service |
| 10000030564 | End panel assembly | other_service |
| 10000030582 | Control door assembly - paralleling | other_service |
| 12142 | Decal, ground | other_service |
| 19M7838 | Screw | other_service |
| 19M7862 | Screw | other_service |
| 19M8306 | Screw | other_service |
| 200389 | Frame & Parts, GC-40 JD4045 T3 | other_service |
| 200390 | Engine & Parts, GC-40 JD4045 T3 | other_service |
| 200391 | Generator & Parts, GC-40 JD4045 T3 | other_service |
| 200392 | Radiator & Parts, GC-40 JD4045 T3 | other_service |
| 200393 | Instruments & Parts, GC-40 JD4045 T3 | other_service |
| 200394 | Gator & Parts, GC-40 JD4045 T3 | other_service |
| 200395 | Compressor & Parts, GCRS-40-40 JD4045 T3 | other_service |
| 200396 | Cooler & Parts, GCRS-40-40 JD4045 T3 | other_service |
| 200403 | Decal & Parts, GCRS-40-40 JD4045 T3 | other_service |
| 20677W | Duct, rear air | other_service |
| 20795SRV | Foam, corner common | other_service |
| 20798SRV | Foam, duct - face | other_service |
| 20916Z | Bracket, prop rod | other_service |
| 26386 | Decal, pinch point | other_service |
| 2911200025 | Standard P/N | other_service |
| 2911200026 | Cold Start P/N | other_service |
| 2911200027 | Standard P/N | other_service |
| 2911200028 | Cold Start P/N | other_service |
| 30401W | Panel, end | other_service |
| 30402SRV | Foam, end panel | other_service |
| 30645 | Panel, emergency stop | other_service |
| 307398 | Relief Valve (drawn as 39124) | other_service |
| 310-537-3700 | Main | other_service |
| 310-637-3284 | Parts Department | other_service |
| 310-638-8046 | Service Department | other_service |
| 32107W | Panel, left rear | other_service |
| 32124W | Panel, side | other_service |
| 32125SRV | Roof assembly | other_service |
| 32286SRV | Foam, side panel | other_service |
| 33313SRV | Control door assembly | other_service |
| 33642 | Window, control door - UV | other_service |
| 34989SRV | Assembly, E-stop switch | other_service |
| 393531 | Side panel assembly | other_service |
| 46606373 | other_service | |
| 50876 | Decal, positive battery disconnect | other_service |
| 51552 | Decal, high temp | other_service |
| 5E502446 | REMAN CYLINDER HEAD (FOR DZ103843) | other_service |
| 5E502450 | REMAN CYLINDER HEAD (FOR DZ103845) | other_service |
| 60095 | Nut, .312-18 serrated flange | other_service |
| 60268 | Rivet, .188 diameter x .126 to .250 grip | other_service |
| 60505 | Nut, .312-18 U-clip - long type | other_service |
| 61091 | Screw, .312-18 x 1.0 serrated flange hex, G5 | other_service |
| 61371 | Optional Rear Shaft Guard, GC-40 JD4045 T3 | other_service |
| 65470 | Switch, E-stop operator | other_service |
| 65580 | Block, E-stop contactor | other_service |
| 800-421-1244 | Main | other_service |
| 800-427-1244 | Parts Department | other_service |
| 800-672-7877 | Parts Department | other_service |
| 800-835-2551 | Service Department | other_service |
| 9753300442 | Oil sample kit | other_service |
| AR106083 | Plug | other_service |
| C07575 | DC Engine Wiring | other_service |
| C07651 | AC Heater Wiring | other_service |
| DCA-70USJ | Battery Connections | other_service |
| DCA-85USJ | Battery Connections | other_service |
| DZ105796 | OCV FILTER | other_service |
| DZ109713 | SHORT BLOCK ASSEMBLY | other_service |
| DZ109717 | SHORT BLOCK ASSEMBLY | other_service |
| DZ109718 | SHORT BLOCK ASSEMBLY | other_service |
| DZ114695 | DEF TANK INLET SCREEN | other_service |
| DZ124403 | DIESEL EXHAUST FLUID INLINE FILTER | other_service |
| F100-250 | WINGS | other_service |
| F100-260 | WINGS | other_service |
| F18910WAV65A | Name Plate And Decals | other_service |
| F18910WAV66A | Generator Assembly | other_service |
| F18910WAV70A | Control Box Assembly | other_service |
| F18910WAV76A | Engine & Radiator Assembly | other_service |
| F18910WAV80A | Engine Operating Panel Assembly | other_service |
| F18910WAV84A | Output Terminal Assembly | other_service |
| F18910WAV86A | Battery Assembly | other_service |
| F18910WAV88A | Muffler Assembly | other_service |
| F18910WAV90A | Fuel Tank Assembly | other_service |
| F18910WAV96A | Enclosure Assembly | other_service |
| F18910WAV98A | Radiator Cap - Removing the radiator cap while the engine is hot will result in high pressurized, boiling water to gush out of the radiator, causing severe scalding to any persons in the general area of the generator. | other_service |
| F18910WAV99A | Coolant Drain Plug - Removing the coolant drain plug while the engine is hot will result in hot coolant to gush out of the coolant drain plug, therefore causing severe scalding to any persons in the general area of the generator. | other_service |
| F18910WAVA0A | Engine Oil Drain Plug - Removing the engine oil drain plug while the engine is hot will result in hot oil to gush out of the oil drain plug, therefore causing severe scalding to any persons in the general area of the generator. | other_service |
| G122188 | 250 hour Maintenance Kit (without fluids) | other_service |
| G122189 | 250 hour Maintenance Kit (without fluids) | other_service |
| G122190 | 250 hour Maintenance Kit (without fluids) | other_service |
| G122191 | 250 hour Maintenance Kit (without fluids) | other_service |
| G122192 | 250 hour Maintenance Kit (without fluids) | other_service |
| G122193 | 250 hour Maintenance Kit (& engine fluids) | other_service |
| G122194 | 250 hour Maintenance Kit (& engine fluids) | other_service |
| G122195 | 250 hour Maintenance Kit (& engine fluids) | other_service |
| G122196 | 250 hour Maintenance Kit (& engine fluids) | other_service |
| G122197 | 250 hour Maintenance Kit (& engine fluids) | other_service |
| G122198 | 500 hour Maintenance Kit (without fluids) | other_service |
| G122199 | 500 hour Maintenance Kit (without fluids) | other_service |
| G122200 | 500 hour Maintenance Kit (without fluids) | other_service |
| G122201 | 500 hour Maintenance Kit (without fluids) | other_service |
| G122202 | 500 hour Maintenance Kit (without fluids) | other_service |
| G122203 | 500 hour Maintenance Kit (& Engine fluids) | other_service |
| G122204 | 500 hour Maintenance Kit (& Engine fluids) | other_service |
| G122205 | 500 hour Maintenance Kit (& Engine fluids) | other_service |
| G122206 | 500 hour Maintenance Kit (& Engine fluids) | other_service |
| G122207 | 500 hour Maintenance Kit (& Engine fluids) | other_service |
| GM32386-KP1 | Exhaust Silencer, Hospital | other_service |
| H23125 | Plug | other_service |
| LX1016749 | Construct Dealer-Made Tools Safely | other_service |
| M2870400114 | other_service | |
| M2872300204 | Parts List No. M2872300204 | other_service |
| R113480 | FAN PULLEY | other_service |
| R116296 | Cover | other_service |
| R123574 | Nut | other_service |
| R128658 | FAN PULLEY | other_service |
| R128659 | FAN PULLEY | other_service |
| R128660 | FAN PULLEY | other_service |
| R128661 | FAN PULLEY (OD = 183.5 mm) | other_service |
| R128662 | FAN PULLEY | other_service |
| R131765 | Plug | other_service |
| R135918 | Bolt | other_service |
| R502902 | Packing ID= 44MM | other_service |
| R503447 | Housing | other_service |
| R503880 | CRANKSHAFT PULLEY | other_service |
| R505567 | (OD=173 mm) (1328) | other_service |
| R515040 | Bushing | other_service |
| R516648 | Cap Screw | other_service |
| R517208 | Pulley | other_service |
| R517237 | Bushing | other_service |
| R520896 | Valve Cover | other_service |
| R521326 | Valve Cover | other_service |
| R521327 | Valve Cover | other_service |
| R521401 | Medallion | other_service |
| R522409 | Heat Shield | other_service |
| R545125 | CRANKSHAFT PULLEY (OD = 188 mm) | other_service |
| R545126 | CRANKSHAFT PULLEY (OD = 168 mm) | other_service |
| RE501377 | Filler Neck | other_service |
| RE527858 | Screw M6 x 12 | other_service |
| RE528742 | Deflector | other_service |
| RE535560 | Filler Cap SUB FOR RE500005 | other_service |
| RE571269 | Piston marked RE509540; SUB FOR RE65957; also order RE527042 and DD15664; also order R503880, R515040 and R516648 or R505567, R515040 and R516648. | other_service |
| RE67238 | Screw | other_service |
| RE67239 | Screw | other_service |
| RG11931 | Right Side of Engine | other_service |
| RG11932 | Left Side of Engine | other_service |
| RG12003 | Disconnect Fuel Delivery Lines | other_service |
| RG7778 | UN—11NOV97 | other_service |
| RG9060 | Dubuque Engine Serial Number Plate | other_service |
| RG9061 | Saran Engine Serial Number Plate | other_service |
| RG9062 | Torreon Engine Serial Number Plate | other_service |
| RM100171 | COMPLETE BLOCK ASSEMBLY | other_service |
| SE501094 | CONNECTING ROD (REMAN FOR RE500608) (4838) | other_service |
| SE501096 | CONNECTING ROD | other_service |
| SE502447 | REMAN CYLINDER HEAD (FOR DZ103844) | other_service |
| SE502768 | CYLINDER HEAD (REMAN FOR RE588246) | other_service |
| SE503035 | CONTROLLER (REMAN FOR RE551416) | other_service |
| T6642EJ | Work in Clean Area | other_service |
| TS1133 | Dispose of Waste Properly | other_service |
| TS206 | Wear Protective Clothing | other_service |
| TS218 | Practice Safe Maintenance | other_service |
| TS226 | Lifting Equipment | other_service |
| TS227 | Handle Fluids Safely—Avoid Fires | other_service |
| TS228 | Service Machines Safely | other_service |
| TS231 | Live With Safety | other_service |
| TS779 | Use Proper Tools | other_service |
| TS953 | UN—15MAY90 | other_service |
| DCA-70SSJU | Generator Outputs | output_terminal |
| F100-910 | OUTPUT TERMINALS | output_terminals |
| RE520374 | Piston marked RE520589; also order RE527042 and DD15664; also order R503880, R515040 and R516648 or R505567, R515040 and R516648. | piston |
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 4045HFG04 engine has an oil capacity of 21.0 liters.
The John Deere 4045HFG04 has a displacement of 4.5 liters with 4 cylinders.
The John Deere 4045HFG04 powers 3 generator set(s), including Generac MDG75DF4, Kohler 80REOZJ4, Kohler 90REOZT4.
The John Deere 4045HFG04 uses oil filter part numbers Kohler GM32809, Kohler 360031, John Deere RE519987.
The John Deere 4045HFG04 uses fuel filter part numbers Kohler GM50006, Kohler 336661, Kohler GM48727.
A commonly reported issue on generators using the John Deere 4045HFG04 is: Shutdown indicator LED illuminates when a shutdown alarm is present.. Fix: Resolve by resolving shutdown condition..