GMC L65, Engine
| Engine capacity | 6,473 cm³ |
| Maximum power (range), hp | 215 |
| Maximum torque, N*m (kg*m) at rpm. | 597 (61) / 1800 |
| Fuel used | Diesel fuel |
| Engine type | V-shaped, 8-cylinder |
| Maximum power, hp (kW) at rpm | 215 (158) / 3200 |
| Supercharger | Turbine |
| Number of valves per cylinder (range) | 2 |