Nissan P40, Engine
| Engine capacity | 3,956 cm³ |
| Maximum power (range), hp | 134 - 145 |
| Maximum torque, N*m (kg*m) at rpm. | 294 (30) / 1600 |
| Fuel used | Petrol |
| Engine type | In-line, 6-cylinder |
| Additional engine information | Carburetor |
| Maximum power, hp (kW) at rpm | 134 (99) / 3400 |
| Cylinder diameter (range), mm | 82.5 |
| Piston stroke (range), mm | 114.3 |
| Valve drive | OHV |
| Number of valves per cylinder (range) | 2 |