The Caterpillar D399 is a 64.4 L 16-cylinder ta engine rated at 1200 rpm, producing up to 965.7 kW. It powers generator sets from Caterpillar. It holds 203 L (53.6 gal) of coolant.
| Coolant capacity | 203.0 L |
|---|---|
| Displacement | 64.4 L |
| Cylinders | 16 |
| Aspiration | TA |
| Rated speed | 1200 rpm |
| Gross power | 965 kW |