Product Specifications
Product Description
SD7 bulldozer are 220 horsepower track-type dozer with elevated sprocket, hydraulic direct drive, semi-rigid suspended and hydraulic controls. It can be equipped with straight tilting blade, angle blade, coal pushing blade, single shank ripper, three shanks ripper. The cab is Rops with air conditioner.
SD7-220 horsepower, elevated sprocket bulldozer integrate modern secience into it, its new structure, good performance, high working efficiency, safety and comfortable operation condition, realiable entire quality, excellent service is your wise choosing.
Main specifications
Operating weight(not including ripper) 23800
Ripper weight 3900
Engine flywheel power 162 k
Ground pressure(without ripper) 71.9 kPa
Ground clearance 404 mm
Ground contact length 2890 mm
Track center distance 1980 mm
Overall dimensions(L χ W χ H) (with single shank ripper) 7604 χ 3823 χ 3402(with straight tilting blade)
Gradeability Latitude30 ° Transverse 25 °
Theory travel speed (km/h)
1st gear forward 0-3.9 1st gear backward 0-4.8
2ND gear forward 0-6.5 2ND gear backward 0-8.2
3rd gear forward 0-10.9 3rd gear backward 0-13.2
Dozing operation rate(moving distance 40m ) 350m 3 /h
Diesel engine specifications
Model NT855-C280 (Cummins)
Type water cooled, single line, vertical, four strokes, turbocharged, 6-cylinders, diameter 140mm
Rated speed 2100 RPM
Flywheel power(speed at 2100 rpm) 162 kW
Starting mode 24V electric starting
Hydraulic system of the machine
It is composed of oil pump, transmission control valve, steering and braking control valve, sequence valve, relief valve at torque convertor outlet, filter and lines.
Main pump Gear pump
Oil flow 160 L/min
Working pressure 3.1 MPa
Implement hydraulic system
Implement hydraulic system can control lifting, lowing and tilting of the blade. It also can control lifting, lowing of the ripper. It mainly consists of oil pump, cylinder, inlet valve group diverter valve group, oil tank line and controlling parts.
Main pump High pressure gear pump
Oil flow 194 L/min
System working pressure 18.6 MPa
Maintenance filling capacity
Fuel tank 450L
Water tank of cooling system 118L
Camshaft box of the engine 20L
Bevel gear case 150L
Implement oil tank 100L
Pivot lubricating tank 15L
Final drive 15L
Xuzhou Zhongxu Construction Machinery Import &Export Co., Ltd is a Chinese professional construction machinery exporter, located in the Chinese biggest construction machinery manufacturing base----xuzhou city, where CAT, Liebheer and XCMG located.Since our company set up, depending on the advantage of Xuzhou Construction Machinery Group(XCMG) which is N0.1 Chinese Construction Machinery manufactory, we continually introduce Chinese excellent construction machinery enterprises and their products to the fast-growing domestic and international Market, not only make more and more international and Chinese customers know and approbate our product, but also gradually build a friendship bridge of Chinese and foreign construction machinery trade.
The primary products and basic components we export are as follow:All serious of XCMG hydraulic cranes, XCMG and YTO road rollers, wheel loaders, graders, concrete pumps, CIMC concrete mixers, XCG excavators, CNHTC truck series, Dalian forklift trucks, shantui bulldozer, sunward skid steer loader, slewing ring bearing, hydraulic components, cabins, diesel engines, gear box, gear pump etc., the product have got the certificate of ISO9001-2000, ISO14001-2004, GB/T28001-1996, 3C, CE, and GOST.Most of them have positioned the leading place domestically and 30% have reached the present world advanced level.
Putting our customers first as our always insist service tenet, our professional sales and service staff all have principle that our value comes from benefit our customers, under our many years unremitting efforts, we had already built the sales and service net over domestic and some area of international.From 2003 to 2007, we export volume increased from 20 million to 500 million dollars.During 5 years international marketing, we won the good fame and reputation from the reliable quality and excellent after-sales service, exports volume increase lasting, our product already enter the market of Middle East, Africa, America, Australia, middle Asia, south Asia, and Russia, etc.
We will scrupulously abide by our Company's management concept Honesty and Reposal, win-win, we sincerely hope can cooperate with you, develop together and build a good future.
