The Caterpillar G3412 is a 27 L 12-cylinder naturally aspirated (na) or turbocharged-aftercooled (ta) engine rated at 1800 rpm, producing up to 503.55 kW. It powers generator sets from Caterpillar. It holds 189 L (49.9 gal) of oil and 54.9 L (14.5 gal) of coolant.
Also known as: Caterpillar G3412
Part of the Caterpillar G3412 engine family — 2 variants share parts & fitment.
| Oil capacity | 189.0 L |
|---|---|
| Coolant capacity | 54.9 L |
| Displacement | 27.0 L |
| Cylinders | 12 |
| Aspiration | Naturally Aspirated (NA) or Turbocharged-Aftercooled (TA) |
| Rated speed | 1800 rpm |
| Gross power | 503 kW |
| Part # | Description | Category |
|---|---|---|
| 108-3515 | Gasket | gasket |
| 176-7748 | Gasket | gasket |
| 256-0326 | Oxidation Catalyst Assembly - Round | other_service |
| 256-0328 | Oxidation Catalyst Assembly - Round | other_service |
| LEXW2610 | NEW CYLINDER HEAD DESIGN | other_service |
| 104-3170 | Spark Plug | spark_plug |
| 2N-2839 | Spark Plug - Fine wire plug | spark_plug |
| 4W-2256 | Spark Plug - Fine wire plug | spark_plug |
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 Caterpillar G3412 engine has an oil capacity of 189.0 liters.
The Caterpillar G3412 has a displacement of 27.0 liters with 12 cylinders.
The Caterpillar G3412 powers 1 generator set(s), including Caterpillar G3412.