BRIEF INTRUDUCTION TO SINOCAT ZD220Y-1 BULLDOZERSINOCAT-ZD220Y-1 bulldozers are manufactured according to the imported technology of Komatsu D85A. It has outstanding advantages contrasting to relevant civil products:1. Undercarriage steering hydraulic systemWe imported, digested and applied the update steering valve of Komatsu, which lead to compact structure and easy operation.2. Electronic monitor systemThe 3-stage alarming & monitoring system is mounted in cabin, which can measure and monitor voltage, oil pressure, water temperature, oil temperature, engine speed. It also can monitor the status of fuel oil, cooling water and the condition of air filter. By the twinkling of light and buzzing of horn, the system can inform drivers the essential information of bulldozer and assure bulldozers working in normal, safe and high efficiency condition. There are also engine oil pressure gauge and water temperature gauge in the instrument panel to make parameters visible and own two-tier protection function.3. Transmission, hydraulic parts, undercarriage and working equipmentInter-changeable with same products of Komatsu as well as those products that are produced according to Komatsu technology.4. Operating SystemThe operating systemis designed to be reasonable, handy and comfortable and allow more working place for the driver.5. Final driveThe final drive gear is produced according to the imported technology strictly. Our imported specialized gear-processing equipment insure the high quality and the leading position in China.6. The cabin is hexahedron with wide view scope.SINOCAT-ZD220Y-1 bulldozer is the only one which import update technology of Komatsu D85A-21and occupy leading position in China.DESCRIPTIONSPECIFICATONMODELZD220Y-1EngineModelChongqing Cummins NT855-C280S10TypeStraight vertical, four-stroke, water cooling, direct injection type. Turbocharger.Number of cylinder-bore*stroke6-139.7*152.4 mmDisplacement14 lFly wheel/rated revolution162/1800 kW/r/minMin. fuel consumption≤235 g/kw.hStart methodTypeElectric starting motorVoltage/power24V/11kWUnder carriageNumber of track rollers (each side)6 (4 single, 2 double) picsTrackTypeSealed single grouserTrack pitch216 mmNumber of track shoes38 picsTrack gauge2000 mmLength of track on ground2730 mmTrack width560 mmGround pressure0.078 MPaGround clearance405 mmHydraulic system of work equipmentPump typeCBT3160 gear pumpRated delivery257 L/minControl valveHand-operated, servo valve.Working pressure13.7 MPaFuel tank110 LBlade Max. lift above the ground1210 mmBlade Max. drop below the ground540 mmMax. lift speed0.35 m/sMax. tilt735 mmPitch adjustment550bladetypeStraight tilt bladeDimension3725*1315 mmBlade capacity6.44 m3Mix. Turning radius3.3 mGround ability300Dimension without ripper5750*3725*3575 mmDimension with ripper7530*3725*3575 mmOperating weight without ripper25500 kgOperating weight with ripper28400 kgMax. dig below ground555 mmMax. lift above ground666 mmMax. dig below ground666 mmMax. lift above ground598.3 mm1