... easy to maintain, long life-span3.,Transmission Similar with Komatsu fixed-axle transmission, shift by the engage ... disc, easy to maintain. Easy to operated with hydraulic booster 5.,Final drive Same as Kumatsu D65 ... design and produce Shanghai PD120 bulldozer in accordance with Kumatsu design, so the measurement and inter-position ... power and high efficiency. SHANGHAI-PD120 BULLDOZER WITH BEST PRICE