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 |