The Caterpillar C13 ACERT is a 12.5 L 6-cylinder turbocharged air-to-air aftercooled engine rated at 2100 rpm, producing up to 415 kW. It powers generator sets from Caterpillar, including the C13. It holds 40 L (10.6 gal) of oil and 14.2 L (3.8 gal) of coolant.
| Oil capacity | 40.0 L |
|---|---|
| Coolant capacity | 14.2 L |
| Displacement | 12.5 L |
| Cylinders | 6 |
| Aspiration | Turbocharged Air-to-Air Aftercooled |
| Rated speed | 2100 rpm |
| Gross power | 415 kW |