All components of the Zetros engines and drivetrains are designed to withstand the most demanding off-road operations. Transmissions and engine cooling systems are trimmed for performance and for extreme climatic conditions. The Zetros generates its output of 315 kW (428 hp) with the inline cylinder OM 457 engine in compliance with the Euro 3 emissions standard. From a 12 l displacement a maximum torque of up to 2,100 Nm is available at 1,200–1,600 rpm.

The engine variant OM 926 LA outputs 240 kW (326 hp) from a 7.2-litre displacement. BlueTec technology makes this Zetros especially environmentally safe and compliant with Euro 5. It reaches a maximum torque of 1,300 Nm in the range of 1,200–1,600 rpm. High driving power and high torque make the Zetros an outstanding transporter on all types of terrain, and ready for the most diverse operations anywhere in the world.