The Perkins 4012-46TWG2A is a 45.84 L 12-cylinder turbocharged and air to water charge cooled engine rated at 1500 rpm, producing up to 372 kW. It powers generator sets from FG Wilson and Perkins, including the P1250P3 and P1375E3. It holds 177.6 L (46.9 gal) of oil and 401 L (105.9 gal) of coolant.
Also known as: Perkins 4012-46TWG2A, 4012-46TWG2A
Part of the Perkins 4012 engine family — 21 variants share parts & fitment.
| Oil capacity | 177.6 L |
|---|---|
| Coolant capacity | 401.0 L |
| Displacement | 45.842 L |
| Cylinders | 12 |
| Aspiration | Turbocharged and air to water charge cooled |
| Rated speed | 1500 rpm |
| Gross power | 372 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.
The Perkins 4012-46TWG2A engine has an oil capacity of 177.6 liters.
The Perkins 4012-46TWG2A has a displacement of 45.842 liters with 12 cylinders.
The Perkins 4012-46TWG2A powers 3 generator set(s), including FG Wilson P1250P3, FG Wilson P1375E3, Perkins 4012-46TWG2A.