The Caterpillar 3412C TA V-12 is a 27.02 L 12-cylinder ta engine rated at 1500 rpm. It powers generator sets from Caterpillar, including the SR4. It holds 139 L (36.7 gal) of oil and 59 L (15.6 gal) of coolant.
Part of the Caterpillar 3412C engine family — 3 variants share parts & fitment.
| Oil capacity | 139.0 L |
|---|---|
| Coolant capacity | 59.0 L |
| Displacement | 27.02 L |
| Cylinders | 12 |
| Aspiration | TA |
| Rated speed | 1500 rpm |
| 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 |
| g00104545 | Illustration 4 | other_service |
| g00107406 | Illustration 1: Safety message for the clutch located on the clutch housing (if equipped). | other_service |
| g00107407 | Illustration 2: Safety message for rotating gears that can cause entanglement of the fingers and hands. | other_service |
| g00294510 | Improper jumper cable connections can cause an explosion resulting in personal injury. | other_service |
| i01359666 | Support the component properly when work beneath the component is performed. | other_service |
| i01372247 | Mounting and Dismounting: Inspect steps, handholds, and work area before mounting the engine. | other_service |
| i01372262 | Illustration 4: Safety message for flammable fluids and hot surfaces. | other_service |
| i01480768 | Do not touch any part of an operating engine. Allow the engine to cool before performing maintenance. | other_service |
| i01658146 | Important Safety Information | other_service |
| i01805780 | Before Starting Engine: Ensure that the engine cannot be started before performing maintenance. | other_service |
| i02345910 | Do not allow unauthorized personnel on the engine or around the engine when the engine is serviced. | 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.
The Caterpillar 3412C TA V-12 engine has an oil capacity of 139.0 liters.
The Caterpillar 3412C TA V-12 has a displacement of 27.02 liters with 12 cylinders.
The Caterpillar 3412C TA V-12 powers 1 generator set(s), including Caterpillar SR4.