,Wheel loader ZL40,50 Hydrodynamic transmission Engine Rated power(KW) 125~162 Rated speed(r/min) 2000~2200 HydraulicPowerTorqueConwerters Type Two-turbofan single stage biphase four-elementeff Stall torque ratio K0=4.0~4.2 The highest efficiency Frontη=0.82 Backη=0.80 Available in G0.