SHANTUI,SD9,KOMATSU TECHNOLOGY,HIGH QUALITY.HOT SELLING.XUANGONG SD9 BULLDOZER SD9SD9 dozer is elevated sprocket ... backward 15.1 Torque converter Power separating, hydraulic-mechanic drive type.Transmission assembly Planetary, power shift transmission with ... spring, separated by hydraulic, constant meshed type.Final drive Final drive is two-stage planetary reduction gear mechanism., splash lubrication ...