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SD8B Bulldozer


Features

SD8B bulldozer is track-type dozer with elevated sprocket, hydraulic direct drive, semi-rigid suspended and hydraulic controls. Equipped with power separating hydraulic-mechanic type Torque converter, planetary, power shift and one lever control transmission. SD8B bulldozer equipped with integrated hydraulic system, electric monitoring, SD8B bulldozer can be equipped with many optional equipment and attachment, it can be used in road building, hydro-electric construction, land clearance, port and mine development and other construction field


Technical Paramters


Engine

Model

CUMMINS NTA855-C360

Type

Turbocharging, inter-cooloing, vertical type

Cylinder quty.-boreXstroke

6-139.7X152.4mm

Piston displacement

14L

Rated power

235kW

Max.torque

1000N.m/1400rpm

Rated speed

2000rpm

Fuel consumption

242g/kW.h

Start motor

24V,11kW

Generator

28V,35A

Battery

24V(12X2)-195AhX2

Drive System

Hydraulic torque converter

3 components, single-stage, single phase

Power shift transmission

Planetary gear, multi-disc clutch, hydraulic integrated forced lubrication

Main drive

Spiral bevel gear, splash lubrication

Steering clutch

Wet, multi-disc, spring-pressed, hydraulic release

Final drive

2-stage spur gear reduction, splash lubrication

Travel System

Suspension type

Semi-rigid, equalizing beam float type

Drive wheel

Insert block type, drive gear

Amt.of carrier wheel(each side)

2

Amt.of supporting wheel(each side)

7

Working Devices

Blade type

Straight tilt type/semi-U type

WidthXHeight

4130X1590/4030X1720 mm

Blade capacity

10.4/11.7

Scarifier type

3-grouser, 1-grouser

Max.blade tilt range

1000mm

Crawler

Type

Assembly type/ single-grouser

Grouser height

80mm

Amt.of track shoe

41X2

Track shoe width

560mm

Track center distance

228.6mm

 

2140mm

Ground contact length

3150mm

Hyraulic system of working devices

Type

Gear type

Working pressure

13.7MPa

Rated flow

355(L/min)

Blade cylinder cylinder bore x stoke

140X75X1346(mm)

Blade tilting cylinder cylinder bore shaft diametersxstroke

225X90X80(mm)

Scarifier hoisting cylinder: cylinder boreshaft diameterxstroke

225X90X540(mm)

Scarifier adjusting cylinder: cylinder boreShaft diameterxstroke

225X90X500(mm)

Parameters

Bare machine weight

36700kg

Max.traction

300kN

Min.turning radius

3940mm

Max.gradeability

30

Min.ground clearance

500mm

Fuel tank volume

600L

Ground pressure

0.104MPa