The John Deere 4045HFG82 is a 4.5 L 4-cylinder diesel engine rated at 1500 rpm, producing up to 76 kW. It powers generator sets from Doosan, including the G100-IIIA, G100-SIIIA, G80-IIIA and G80-SIIIA.
Part of the John Deere 4045 engine family — 52 variants share parts & fitment.
| Displacement | 4.5 L |
|---|---|
| Cylinders | 4 |
| Aspiration | Diesel |
| Rated speed | 1500 rpm |
| Gross power | 76 kW |
| Part # | Description | Category |
|---|---|---|
| 352575 | Alternator | alternator |
| PA-324494 | 24 V Battery | battery |
| PA-352253 | Battery Rack, free standing | battery |
| PAA-326767 | 24 V Battery Charger w/alarms | battery |
| 352595 | Controller, Decision-Maker 340 | controller |
| 352570 | Cooling, Unit Mounted Radiator | cooling |
| PA-275477 | Exhaust Manifold Blanket | cooling |
| PA-276943 | Flexible Exhaust Connector | cooling |
| 255130 | Safeguard Breaker | electrical |
| 273744 | Run Relay, 12 V | electrical |
| 274593 | Voltage regulator (standard) | electrical |
| 336401 | Isochronous Governor | electrical |
| 347274 | Failure Relay | electrical |
| 352374 | Fuel Pressure Gauge | electrical |
| PA-273913 | Dry Contact Kit | electrical |
| PA-293906 | Emergency Stop, Remote | electrical |
| PA-346588 | Current Transformer | electrical |
| PA-354752 | Load Bank Controller | electrical |
| 352371 | Flexible Fuel Lines | fluid |
| RE520842 | Final Fuel Filter, 109 mm (4.3 in), 2 micron | fuel_filter |
| RE521248 | Primary Fuel Filter, 109 mm (4.3 in), 10 micron | fuel_filter |
| 0000I00 | Fuel Solenoid | fuel_solenoid |
| X--386--127 | Line, Flex Fuel | hose |
| X--386--48 | Fuel line, flexible | hose |
| X--426--9 | Clamp, hose, .25/.70 in. | hose |
| RE504836 | Oil Filter | oil_filter |
| TY26800 | Torq-Gard™ 15W-40 | oil_filter |
| 006226 | other_service | |
| 10000024262 | Decal, phase switch warning | other_service |
| 10000029864 | Decal set, MDG75 mechanical group | other_service |
| 12142 | Decal, ground | other_service |
| 26386 | Decal, pinch point | other_service |
| 352585 | Block Heater | other_service |
| 46606373 | other_service | |
| 50876 | Decal, positive battery disconnect | other_service |
| 51552 | Decal, high temp | other_service |
| C07575 | DC Engine Wiring | other_service |
| C07651 | AC Heater Wiring | other_service |
| GM103522--1 | Engine, 12V JD4045HFG | other_service |
| GM103523--1 | Engine, 12V JD4045HFG | other_service |
| GM32386-KP1 | Exhaust Silencer, Hospital | other_service |
| GM94201--1 | Engine, 12V JD4045HFG | other_service |
| GM94202--1 | Engine, 12V JD4045HFG | other_service |
| GM94206 | Tube, Exhaust | other_service |
| GM94207 | Tube, DPF To Decomp Tube | other_service |
| GM94222 | Tube, Air Intake | other_service |
| GM94228 | Tube, Exhaust | other_service |
| GM94230 | Tube, Air Intake | other_service |
| GM98896 | Tube, DPF To Decomp Tube | other_service |
| PA-324470 | Exhaust Silencer, Critical | other_service |
| PA-354809 | Exhaust Silencer, Critical (kit) | other_service |
| X--672--7 | Clamp, insulated, .44 in. | other_service |
| 352571 | Skid | physical |
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.
The John Deere 4045HFG82 has a displacement of 4.5 liters with 4 cylinders.
The John Deere 4045HFG82 powers 4 generator set(s), including Doosan G100-IIIA, Doosan G100-SIIIA, Doosan G80-IIIA, Doosan G80-SIIIA.