Product Specifications
Product Description
SD8 is elevated sprocket, track-type bulldozer. Its undercarriage system is elastic suspended, elevated sprocket, hydraulic direct drive, and hydraulic controls. SD8 dozer can be equipped with S-blade, single shank ripper. Main structure uses high strength plate and is suitable for working in stony, worse earth condition. The cab is installed Rops device and comfortable seat.
Main specifitions
Operating weight(not including ripper): 40000kg
Ripper weight: 4300 kg
Engine flywheel power/RPM: 246 kw(335HP)/1900r/min
Track ground contact length: 3280 mm
Ground pressure(without ripper): 105 kPa
Track contact length: 2200 mm
Overall dimensions(L χ W χ H)
8090 χ 4172 χ 3952(with single shank ripper)
Gradeability: Latitude30 °
Transverse 25 °
Ground clearance: 485mm
Theory travel speed (km/h)
1st gear forward 0-3.9
1st gear backward 0-4.8
2ND gear forward 0-6.8
2ND gear backward 0-8.4
3rd gear forward 0-11.9
3rd gear backward 0-14.8
Dozing operating rate (moving distance 40m): 452m³ /h
Diesel engine specifications
Model: NTA855-C400 (BC )
Type: Water cooled, single line, four strokes, turbocharged, 6-cylinders, diameter 140mm
Rated speed: 1900r/min
Flywheel power: 246kw(335HP)
Torque storage coefficient: 24.5%
Start mode: 24v electric starting
Implement hydraulic system
Implement hydraulic system can control lifting, lowering and tilting of the blade. It also can control the moving of ripper. It mainly consists of oil pump, cylinder, valve group, oil tank line and controlling parts. Implement pump is two group vane type pump. The main specification is as following:
Front pump
Displacement: 129ml/r
Rated pressure: 21MPa
Rated speed: 2000r/min
Rear pump
Displacement: 56ml/r
Rated pressure: 21MPa
Rated speed: 2000r/min
Rated operation pressure of blade lifting system: 17.5MPa
Rated operation pressure of tilting system: 18.3MPa
Hydraulic system of tractor
It is composed of oil pump, transmission control valve, steering and braking control valve, sequence valve, torque converter outlet relief valve, filler and oil line, etc. Main pump is three group gear pump. The main performance is as following:
Lubricating pump
Rated displacement: 90ml/r
Rated pressure: 0.4MPa
Rated speed: 2000r/min
Working pump
Rated displacement: 115ml/r
Rated pressure: 3.1MPa
Rated speed: 2000r/min
Oil draining pump
Rated displacement: 160m/r
Rated pressure: 0.5MPa
Rated speed: 2000r/min
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.
