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Jinan Shanglong International Trade Co., Ltd.

China Manufacturer with main products: Howo Dump Truck, Tractor, Cargo Truck, Truck Crane, All Terrain Crane, Mounted Crane, Wheel Loader, Light-Duty Truck

Home  >Products Catalog > SD8B Crawler Construction Machinery Mini Bulldozer

SD8B Crawler Construction Machinery Mini Bulldozer

FOB Price: 59,999.00 - 69,999.00 USD/Set
Supply Ability: 300 Set/Sets per Month
Shipping: within 30 days after receiving the buyer's deposit
Payment Terms: L/C, T/T
In Stock

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Export Markets: South America, Southeast Asia, Africa, Mid East
Place of Origin: Shandong in China
Packaging Details: Nude Packing

Specifications

SD8B Crawler Construction Machinery Mini Bulldozer
 Main Configurations: 
Main specifications
Operating weight(not including ripper)
40000
Ripper weight
4300
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×W×H)
8090×4172×3952mm (with single shank ripper)
Gradeability
Latitude 30 ° Transverse 25°
Ground clearance
485mm
Theory travel speed (km/h)
Forward
Reverse
First speed
0-3.9
First speed
0-4.8
Second speed
0-6.8
Second speed
0-8.4
Third speed
0-11.9
Third speed
0-14.8
Dozing operating rate (moving distance 40m)
452 m3/h
Diesel Engine
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
Torque converter
Power separating, hydraulic-mechanic drive, single stage torque converter is used in SD8 elevale sprocket bulldozer.
Transmission assembly
It integrates center drive, transmission and speed changing control valve into one component. It can be assembled or disassembled as assembly or as a part. It is very convenient to service. Transmission is multi-stage planetary drive to realize modular assembling and disassembling. Gear the shift can be changed among 1st gear, 2nd gear, 3rd gear forward or reverse rapidly, through multi-functional control valve..
Steering and braking
Steering and braking clutch are adjustment-free, oil-type, multi-disc clutch. The braking clutch is pressed by spring, separated hydraulicly, constant meshed type. Steering clutch is hydraulic pressed, non-constant engaged clutch. Steering and braking acts simultaneously, operated manually to realize steering slowly, sharply and braking. The braking of entire machine can be realized through the pedal. Braking rod is designed to keep the undercarriage system in braking condition and guarantee the machine not to slip on slope when starting the engine.
Final drive
Final drive is two-stage planetary reduction gear mechanism. It is mounted at outside of steering and braking clutch. Combined sprocket segment is very convenient for assembling, disassembling and service.
Undercarriage system
SD8 dozer utilizes elastic-mounted undercarriage. The track is triangle shape. The sprocket is elevated. Through floating function of continuous auxiliary suspension device, the machine can travel near obstacle on the ground to improve travelling stability and comfortable of the driver. Ground contact area is increased. Performance of travelling and traction is raised.
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.
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.
Lubricating pump
Displacement
90 ml/r
Rated pressure
0.4 MPa
Rated speed
2000 r/min
Working pump
Displacement
115 ml/r
Rated pressure
3.1 MPa
Rated speed
2000 r/min
Oil draining pump
Displacement
160 m/r
Rated pressure
0.5 MPa
Rated speed
2000 r/min
Cab
Type
Simple structure canopy
Alternative
Cab with air-conditioner
Cab with Rops
 
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Service Process

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