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
