Engine DAF WS225 (WS 225 Ati) is a 11,630 cc diesel engine with six cylinders, two valves per cylinder, a piston stroke of 146 mm, and a cylinder diameter of 130 mm. made for DAF Series 95.310 in 1987.

Trucks have made extensive use of the DAF WS225 engine. It has established itself as the best because of its dependability, power, quality, and fuel efficiency.
Specifications
| Engine’s type | diesel |
| Power output, hp / kW | 306/225 at 2000 rpm |
| Displacement, cc | 11600 |
| Number of cylinders | 6 |
| Valves | 12 |
| Torque output, Nm / rpm | 1300 |
| Compression | 14.510:1 |
| Cylinder bore, mm | 130 |
| Piston stroke, mm | 146 |
| Crankshaft bearings | 7 |
| Configuration | inline |
| Fuel type | diesel |
| Fuel system | inline injection pump |
| Turbine | turbo / charge air cooler |
| Cylinder head | OHV |
| Timing mechanism | spur gear |
| Timing | rocker arm |
| Cooling | water |
