The Ford LRG-425 is a 2.5 L 4-cylinder natural engine rated at 1500 rpm, producing up to 31 kW. It powers generator sets from FG Wilson and Kohler, including the FG17P1S, FG20E1S, FG22P1 and FG25E1. It holds 4.7 L (1.2 gal) of oil and 15.1 L (4.0 gal) of coolant.
Part of the Ford LRG-425 engine family — 2 variants share parts & fitment.
| Oil capacity | 4.7 L |
|---|---|
| Coolant capacity | 15.1 L |
| Displacement | 2.5 L |
| Cylinders | 4 |
| Aspiration | Natural |
| Rated speed | 1500 rpm |
| Gross power | 31 kW |
Shared across brands: FG Wilson, Kohler
| Part # | Description | Category |
|---|---|---|
| 255347 | Silencer, Critical | acoustic |
| 27916 | Air filters - Genie part numbers | air_filter |
| 326237 | Air Cleaner Restriction Indicator | air_filter |
| 326878 | Air Intake, Standard Duty | air_filter |
| 326880 | Alternator | alternator |
| PA-225290 | Battery, 12 V | battery |
| PAA-326766 | Battery Charger, 12 V with alarms | battery |
| 326038 | Block Heater | block_heater |
| 326039 | Block Heater | block_heater |
| 104161 | Failure Relay | controller |
| 194101 | Prealarm Senders | controller |
| 196201 | Controller, Decision-Maker 340 | controller |
| 255131 | Safeguard Breaker | controller |
| 273743 | Run Relay, 12 V | controller |
| PA-293906 | Emergency Stop, Remote | controller |
| PA-336983 | Load Bank Controller | controller |
| 326874 | Cooling, Unit Mounted Radiator | cooling |
| 193901 | Load Bank and Wiring | electrical |
| 326877 | RS-485 Communication Module | electrical |
| PA-273913 | Dry Contact Kit | electrical |
| PA-346588 | Current Transformer | electrical |
| 326875 | Fuel System, Nat. Gas or LP Gas | fuel_tank |
| 326222 | Mounting Bracket | mounting_bracket |
| 326224 | Mounting Bracket | mounting_bracket |
| 52581 | Oil filter | oil_filter |
| 102521 | safety decals | other_service |
| 52856 | Safety Rules | other_service |
| 185112 | Engine and Decals | physical |
| 254495 | Silencer Mounting, Critical | physical |
| 276255 | Tail Pipe and Rain Cap | physical |
| 326447 | Block Heater | physical |
| 326879 | Skid | physical |
| 49612 | O-ring field service kit (Genie part no. 49612) | seal |
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 Ford LRG-425 engine has an oil capacity of 4.7 liters.
The Ford LRG-425 has a displacement of 2.5 liters with 4 cylinders.
The Ford LRG-425 powers 6 generator set(s), including FG Wilson FG17P1S, FG Wilson FG20E1S, FG Wilson FG22P1, FG Wilson FG25E1, Kohler 20R.