The Perkins 4012TWG2 is a 45.84 L 12-cylinder turbocharged, air to water charge cooled engine rated at 1500 rpm, producing up to 1207 kW. It powers generator sets from FG Wilson and Perkins, including the P1250 and P1375E. It holds 177.6 L (46.9 gal) of oil and 73 L (19.3 gal) of coolant.
Part of the Perkins 4012 engine family — 17 variants share parts & fitment.
| Oil capacity | 177.6 L |
|---|---|
| Coolant capacity | 73.0 L |
| Displacement | 45.842 L |
| Cylinders | 12 |
| Aspiration | Turbocharged, Air to water charge cooled |
| Rated speed | 1500 rpm |
| Gross power | 1207 kW |
Shared across brands: FG Wilson, Perkins
| Part # | Description | Category |
|---|---|---|
| M351 | Main bearing bolts, lateral capscrews, main bearing caps | main_bearing_bolts |
| 4012TAG | other_service | |
| 4012TAG1 | other_service | |
| 4012TAG2 | other_service | |
| T6253/292 | dismantling tool | other_service |
| T6253/293 | extraction tool | other_service |
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 Perkins 4012TWG2 engine has an oil capacity of 177.6 liters.
The Perkins 4012TWG2 has a displacement of 45.842 liters with 12 cylinders.
The Perkins 4012TWG2 powers 3 generator set(s), including FG Wilson P1250, FG Wilson P1375E, Perkins 4012TWG2.