... the ideal construction equipments.AR912 WHELL LOADER adops hydrostatic transmission ,four-wheel-drive,hoof-up brake,articulated trailers and ... ,large operating weight,high longitudinal stability(2) Wheel loader AR920 is able to level itself automatically with high ... .Hydraulic twinturbo torque converter,planetary gearbox and enhanced drive axle,which make breakout of force bigger and capacity stronger ...