The Caterpillar 3412C is a 27.03 L 12-cylinder turbocharged-aftercooled engine rated at 1800 rpm, producing up to 746 kW. It powers generator sets from Caterpillar, including the 3412, 3412C Generator Set DJN1-Up and 3412C Generator Set TGC1-Up. It holds 139 L (36.7 gal) of oil and 67 L (17.7 gal) of coolant.
Part of the Caterpillar 3412C engine family — 2 variants share parts & fitment.
| Oil capacity | 139.0 L |
|---|---|
| Coolant capacity | 67.0 L |
| Displacement | 27.03 L |
| Cylinders | 12 |
| Aspiration | Turbocharged-Aftercooled |
| Rated speed | 1800 rpm |
| Gross power | 746 kW |
| Part # | Description | Category |
|---|---|---|
| 7N3229 | Connecting rods | connecting_rod |
| 8N1728 | Connecting rods | connecting_rod |
| DZ114695 | (974C) (3447) (3449) (3451) (3453) (3448) (3452) (974Q) (3450) (3454) (974G) | coolant_filter |
| DZ111166 | (USE WITH DZ113373 974G) (974C) | fuel_filter |
| PEHP3036 | Cat Reman Short and Long Blocks | other_service |
| PEHP3036-01 | Cat Reman Short and Long Blocks | other_service |
| PEHP7069-01 | Reman Water Pump | water_pump |
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 3412C engine has an oil capacity of 139.0 liters.
The Caterpillar 3412C has a displacement of 27.03 liters with 12 cylinders.
The Caterpillar 3412C powers 3 generator set(s), including Caterpillar 3412, Caterpillar 3412C Generator Set DJN1-Up, Caterpillar 3412C Generator Set TGC1-Up.