Technical data Drive Unit OM 934 OM 936 Displacement cm3 5100 7700 Cylinder number/arrangement 4/inline 6/inline Valve timing DOHC DOHC Number of valves per cylinder (intake/exhaust) 2/2 2/2 Idle speed rpm 720 720 Output kW 115 (code M1H) 130 (code M1I) 170 (code M1K) 200 (code M2C) 220 (code M2D) Torque Nm 650 750 900 1100 1200 Compression ratio 17,6/1 17,6/1 Stroke mm 135 135 Cylinder bore mm 110 110 Rail pressure max. bar 2400 2400 13 Introduction of the New Unimog Generation | Model Series 405 – This printout will not be recorded by the update service. Status: 03 / 2013 –