Travel mechanism of each track consists of a variable two - speed piston motor , a planetary reducer and a parking brake , travel brake buffer valve is mounted on motor to reduce hydraulic shock 每側(cè)履帶的行走機構(gòu)由一個變量雙速柱塞馬達(dá)、行星減速器和制動器組成,行走制動緩沖閥與馬達(dá)一體安裝,吸收了行車時由于制動或載荷變化帶來的液壓沖擊。