... motor Lubrication system:Forced lubrication Bulldozer PD165Y-1ModelPD165Y-1EngineDongfeng C6121ZG57TransmissionHand-operated,Hydraulic shift,Planetary gear, multiple-disc clutch,hydraulic-actuated, Forced ... .Steering clutchwet,multiple disc,spring loaded, hand-operated with booster and hydraulic-releasedSteering brakewet,band brake,operated with hydraulic-releasedFinal drivespur gear,double ...