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SD22 Bulldozer

Features:

The SD22 bulldozer is the new generation of the TY220. It's equipped with a hexahedron damping cab, which features a beautiful design, wide visibility, and comfortable operation, as well as a highly efficient charged engine, which has excellent power, reliability and a long service life.  It is also equipped with an improved hydraulic drive system with hydraulic control technology, front-extending anti-rolling frame and an advanced structure, providing reliable quality and convenient and flexible operation.  The SD22 uses Shantui's patented central lubrication technology, central pressure measurement and automatic track tensioning, as well as a GPS satellite positioning system.  With options such as straight tilt, angle, U type and semi-U type blades, single/triple shank rippers and a mechanical winch, the SD22 has various capabilities allowing it to adapt to and work in a wide range of earth moving projects.

Engine

Type

Steyr WD615TI-3A (water cooled, in-line, direct injection and turbo charge)

Rated revolution

1850rpm

Rated power

120kw

Cylinder number-bore x stroke

6-126 x 130

Piston displacement

9.726

Rated fuel consumption

214g/kW.h

Max. Torque

764N.m

Undercarriage system

Type

swing type of sprayed beam, suspended structure of wualizer bar

Carry rollers

2 each side

Track rollers

6 each side

Track type

Assembled, single-tooth, 38 each side

Width of track shoes

560mm

Pitch

216mm

 Hydraulic system

Max. Pressure

14MPa

Pump type

Gear pump

Discharge

262L/min

Working cylinder x number

120mm x2

 Power transmitting system

Torque converter

3-element, 1 stage, 1 phase

Transmission

Planetary gear type, power-shift, forced lubrication

Main drive

Spiral bevel gear, single-stage speed reduction, splash lubrication

Steering clutch

Wet, Multi-disc, spring loaded, hydraulic helping operation, mechanical separating, linking steering brake

Steering brake

Wet, floating, band type foot stepping brake with hydraulic helping

Final drive

2-stage speed reduction of spur gear, splash lubrication

Blade

U

Min. Ground clearance(mm)

405

Ground pressure(MPa)

0.078

Gradeability

30

Track gauge(mm)

2000

Dozing capacity(m3)

7.5

Blade height(mm)

1343

Blade width(mm)

3800

Max. Drop below ground(mm)

540

Operating weight

24020

Max. Tilt adjustment(mm)

755

 Travel speed

Gear

1st

2nd

3rd

Foward(km/h)

0-3.6

0-6.5

0-11.2

Reverse(km/h)

0-4.3

0-7.7

0-13.2

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