SD7P Bulldozer – Construction Machinery for Sale

SD7P bulldozer is designed according to the original drawings of D85-21 bulldozer from komatsu and most of the main parts can be interchanged with it. SD7P bulldozer have characteristics of strong power, good performance, high working efficiency, steady movement, wide viewing, safe and comfortable operating condition and convenient maintenance. It also adopted electronic monitoring. Diesel engine: Manufacturer : CHONGQING CumminsModel: NT855?280 Type:in-line,water-cooled,4-cycle,overhead valve direct injection,turbochanged dieselRated Revolution:2000rpmRatde Horsepower:169KM(230HP)/2000rpmCylinder Number-Bore*Stroke:6-139.7mm*152.4mmPiston displacement:14010ml Min.Fuel Consumption: 217g/kw.hMax.Toque efficiency: 1.28TRAVEL SPEEDGear 1st 2nd 3rdFORWARD(km/h): 0-3.8 0-6.8 0-11.8REVERSE(km/h): 0-4.9 0-8.5 0-14.3POWER TRANSMITTING SYSTEMTorque converter: 1stage.1phase.3elementsTransmission: planetary gear,multi-disc clutch.hydraulically connected.fouced lubricatonMain Dirve: Spiral bevel gear,singe-stage speed reduction,splash lubricatonSleering clutch: et,multi-disc,spring loaded,hydraulically separated,hydraulic controlFinal Drive: Two-stage speed reduction of spur gear,splash lubricationUNDERCARRIAGE SYSTEMType: swing type of sprayed beam ,suspended structure of equalizer bar Carrier Rollers: 2/each sideTrack Rollers: 7/each side(single flange 5.double flange2)Track Type: assembled single-grouser shoes(39/each side)Width of Track shoes: 560mm(Standard)610mm.660mm(Optional)Pitch: 216mmPOWER TAKE SHAFTLocation: at the middle of the back of steering and frame caseRevolution: 1900rpm Revolve Direction: anti-clockwise(rearview) HYDRAULIC SYSTEMMax pressure: 19.1Mpa(195kg/cm2)Discharge: 194L/min(at engine revolution of 2000rpm)Pump Type: tandem gear pumpBore of the Wrking Cyinder*Number: 110mm*2(double-acting type)Type Contral Vale:lubricated valve Bore*NO.(Tilt Cylinder): 160mm*1OTHER SPECIFCATINONSMin.Ground Clearance: 405mmOperating Weight: 26990kg including cabin and ripperGround Pressure: 0.078Mpa Min.Turning Radius:3300mmTrack Ground Length:2840mm Track Gauge:2000mmMax.Lift Height of Blade:1210mm Max.Pulling Force:206KN (21T)Max.Drop below the Ground of blade:540mmProductivity : 350m3/h(theoretical value at a transport distance of 40m)