... engaged, stable, reliable and easy to maintain, long life-span3.,Transmission Similar with Komatsu fixed-axle transmission, shift by ... Steering clutch Dry type, multiple disc, easy to maintain. Easy to operated with hydraulic booster 5.,Final drive Same as ... is reasonable, which leads to stable operating & walking, full usage of power and high efficiency. SHANGHAI-PD120 BULLDOZER WITH BEST PRICE