The SD22 is a large horsepower, advanced technology bulldozer with a Cummins 855C engine delivering high torque yet low fuel consumption. An exhaust turbocharger ensures uninterrupted performance at altitudes up to 3200m. Hydraulic drive and control technology deliver reliable performance and easy control.
Performance Parameter
220 HP SD22 Technical specifications:
Blade Type Straight-tilt Angle Semi-U Blade
Min. ground clearance: 405 mm 405 mm 405 mm
Ground pressure: 0.077 MPa 0.077 MPa 0.078 MPa
Min. turning radius: 3.3 m 3.3 m 3.3 m
Gradeability: 30° 30° 30°
Track gauge: 2000 mm 2000 mm 2000 mm
ENGINE Model & type
Cummins NT855-C280S10; In-line,
water cooled 4-cycle,
overhead valve direct injection, turbocharged diesel
Rated power 162 kW
Number of cylinders 6??139.7 x 152.4 mm (bore x stroke)
Piston displacement 14.01 L
Min. fuel consumption 205 g/kW?h
Maximum torque 1030 N?m@1250rpm
POWER
TRANSMISSION
SYSTEM Torque converter 3-element, 1 stage, 1 phase
Transmission
Planetary gear, multi-disc clutch,
hydraulically connected, forced lubrication
Main drive
Spiral bevel gear, splash lubrication,
single-stage speed reduction
Steering clutch
Wet, multi-disc, spring loaded,
hydraulically separated,hydraulic control
Steering brake
Wet, floating, direct on-off hydraulic
inter-linking operation
Final drive
2-stage speed reduction of spur gear,
splash lubrication
TRAVELSPEED Gear 1st 2nd 3rd
Forward 0~3.6 km/h 0~6.5 km/h 0~11.2 km/h
Reverse 0~4.3 km/h 0~7.7 km/h 0~13.2 km/h
UNDERCARRIAGE
SYSTEM Type
Swing type of sprayed beam,
suspended structure of equalizer bar
Carrier rollers 2 each side
Track rollers 6 each side
Track type Assembled, single-grouser
Width of track shoes 560 mm
Pitch 216 mm
HYDRAULIC
SYSTEM Maximum pressure 14 MPa
Pump type Gear pump
Discharge 262 L/min
Bore of working
cylinder no.
120 mm 2
BLADE Blade type Straight-tilt Angle Semi-U-blade
Dozing capacity 6.4 m3 4.7 m3 7.5 m3
Efficiency
(Theoretical value 40 m)
330 m3/h 245 m3/h 365 m3/h
Blade width 3725 mm 4365 mm 3725 mm
Blade height 1315 mm 1055 mm 1374 mm
Maximum drop
below ground
538 mm 535 mm 540 mm
Maximum tilt adjustment >735 mm >500 mm >755 mm
Weight of blade 2830 kg 3254 kg 3419 kg
RIPPER(OPTIONAL)
Maximum digging depth
of 3-shank ripper
666 mm
Maximum lift
above ground
555 mm
Weight of 3-shank ripper 2495 kg
Maximum digging depth
of single ripper
695 mm
Maximum lift
above ground
515 mm
Weight of single ripper 2453 kg
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