• Model NO.：WD220Y
• Condition：New
• Color：Yellow
• Bulldozer Engine Power：165HP-320HP
• Machine Type：Crawler Bulldozer
• Applications：Earthmoving Machine, Construction
• Operation Weight：16800kg
• Engine：C6121
• Track Width：510mm
• Transport Package：in Container
• Specification：ISO
• Trademark：world
• Origin：China
• HS Code：84295100
• Production Capacity：1000PCS,Year

MODELWD165YWD220YWD320YEngineModelShangchai C6121ZG57Cummins NT855-C280S10Cummins NTA855TypeStraight vertical, 4 stroke, water cooling, direct injection typeStraight vertical, 4 stroke, water cooling, PT pump injection, turbochargedVertical,four-strokeFlywheel power122 kw162 kw239kwRated speed1850 rpm1800 rpm2000rpmTransmission systemTorque converter3 element, single stage, single phase3 element, single stage, single phase3-elements,single stage.single phaseTransmissionHydraulic shift, planetary gear, multiple disc clutch, forced lubrication by gear pumpHydraulic shift, planetary gear, multiple disc clutch, forced lubrication by gear pump, 3 forward and 3 reverse speedsHydraulic actuated,forced lubricated planetary gearBevel gearHelical bevel gear, splash lubricatedHelical bevel gear, splash lubricatedHelical bevel gear splash lubricatedSteering clutchWet type, multiple disc, spring loaded, hand-operated with booster and hydraulic releasedWet type, multiple disc, spring loaded, hydraulic releasedWet,multiple disc,spring loaded hydraulically releasedSteering brakeWet band brake, operated with hydraulic boosterWet band brake, operated with hydraulic booster and valve inner linkageWet,band brake,operated with hydraulic boosterFinal driveSpur gear, double reduction, splash lubricatedSpur gear, double reduction, splash lubricatedSpur gear,double reduction splash lubricatedWorking hydraulic systemWorking pressure14 Mpa13.7 Mpa13.7MpaRated flow243 L/min (2000rpm)257 L/min (2000rpm)335L/minPumpDouble gear pumpCBT3160 gear pumpDouble gear pumpControl valveHand-operated, plunger, servo controllingHand-operated, plunger, servo controllingHydraulic operated pilot controlTrackTypeSealed and lubricated single grouser or sealed single grouserSealed single grouserSingle grouserTrack pitch203.2 mm216 mm228.6mmTrack width560(510) mm560 mm560mmTravel speedForward speed3.8/6.6/10.6 km/h3.6/6.5/11.2 km/h3.6/6.6/11.5 km/hReverse speed4.9/8.5/13.6km/h4.3/7.7/13.2km/h4.3/7.8/13.5km/hUnder carriageSpocketSegmentedSegmentedSegmentedNo. of track rollers each side6 (4 single and 2 double)6 (4 single and 2 double)7(5 single,2double)Track tensionHydraulic-adjustedHydraulic-adjustedHydraulic