The Caterpillar C27 ATAAC is a 27.03 L -12-cylinder ta engine rated at 1800 rpm. It powers generator sets from Caterpillar, including the C27. It holds 95 L (25.1 gal) of oil and 110 L (29.1 gal) of coolant.
Part of the Caterpillar C27 engine family — 3 variants share parts & fitment.
| Oil capacity | 95.0 L |
|---|---|
| Coolant capacity | 110.0 L |
| Displacement | 27.03 L |
| Cylinders | -12 |
| Aspiration | TA |
| Rated speed | 1800 rpm |
| Part # | Description | Category |
|---|---|---|
| 2323232 | Connecting rods | connecting_rod |
| i01480768 | Coolant | coolant_filter |
| R-20R2284 | C15/C18/C27/C32 ACERT Trim file (12-digit serial) | other_service |
| R-20R2285 | C15/C18/C27/C32 ACERT Trim file (12-digit serial) | other_service |
| g00634036 | Illustration 37: The Location of the GSC+ on the EMCP II+P Control Panel | other_service |
| g00639524 | Illustration 35: Electronic Modular Control Panel II+ With Paralleling (EMCP II+P) | other_service |
| g00692931 | Illustration 36: The Synchronization Mode Switch | other_service |
| i01359666 | Crushing Prevention and Cutting Prevention | other_service |
| i01372247 | Mounting and Dismounting | other_service |
| i01462046 | Engine Stopping | other_service |
| i01496776 | Fire Prevention and Explosion Prevention | other_service |
| i01553111 | Generator Lead Connections | other_service |
| i01593543 | Generator Isolating for Maintenance | other_service |
| i01658146 | Important Safety Information | other_service |
| i01805780 | Before Starting Engine | other_service |
| i01830750 | Engine Maintenance Information | other_service |
| i02106213 | Electrical System | other_service |
| i02136012 | Engine Starting | other_service |
| i02363871 | Electronic Modular Control Panel II+ with Paralleling (EMCP II+P) | other_service |
| i02879636 | Safety Messages | 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 Caterpillar C27 ATAAC engine has an oil capacity of 95.0 liters.
The Caterpillar C27 ATAAC has a displacement of 27.03 liters with -12 cylinders.
The Caterpillar C27 ATAAC powers 1 generator set(s), including Caterpillar C27.