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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.
| PRODUCT | SD22 | ||
| PERFORMANCE PARAMETERS | Operatiing Weight (kg) | 23450 | |
| Rated horsepower (kw/hp) | 175/1800 | ||
| Minimum turning radius (mm) | 3300 | ||
| Ground pressure (kpa) | 66 | ||
| ENGINE | Model | Chongqing Cummins NT855-C280S10 | |
| Emission | China I/II | ||
| Type | In-line,direct injection,water cooled,4-cycles,turbocharged | ||
| No.of cylinders×Bore×stroke （mm×mm） | 6×140×152 | ||
| Piston displacement (L) | 14 | ||
| Horsepower/rpm （kw/rpm） | 175/1800 | ||
| Maximum torque (N.m/r/min) | 1030/1250 | ||
| DIMENSIONS | Length（mm） | 5495 | |
| Width（mm） | 3725 | ||
| Height（mm） | 3402 | ||
| TRAVELING PERFORMANCE | Forward/Reverse（km/h） | F1：0-3.6 F2:0-6.5 F3:0-11.2 R1:0-4.3 R2:0-7.7 R3:0-13.2 | |
| Gradeability（deg） | 30 | ||
| Clearance（mm） | 405 | ||
| TRANSMISSION | Torque convertor | 3-element, single stage, 1-phase | |
| Gear box | Planetary gear and powershift transmission, hydraulically actuated, forced lubrication | ||
| Main drive | Spiral bevel gear, single-stage speed reduction, splash lubrication | ||
| Steering clutch | Wet multiple disc,coned disc spring loaded, hydraulically actuated, hand operated,interconnected with steering brake | ||
| Brake | Wet, contracting band,foot operated with hydraulic booster | ||
| Final driver | spur gear,double reduction ,splash lubrication | ||
| UNDERCARRIAGE | Suspension | Swing type of sprayed beam,suspended structure of equalizer bar | |
| Track gauge (mm) | 2000 | ||
| Shoe width (mm) | 560 | ||
| Track length on ground (mm) | 2730 | ||
| Number of shoes (each side) | 38 | ||
| Pitch (mm) | 216 | ||
| Carrier rollers (each side) | 2 | ||
| Track rollers (each side) | 6 | ||
| WORKING HYDRAULIC SYSTEM | Pressure (MPa) | 14 | |
| Working pump | Gear pump | ||
| Valve | Multi-way valve | ||
| Bore of blade lift cylinder (mm) | φ120 | ||
| Bore of blade tilt cylinder (mm) | φ200 | ||
| TANK CAPACITY | Fuel tank capacity (L) | 450 | |
| Working hydraulic tank capacity (L) | 110 | ||
| WORKING EQUIPMENT | Blade width (mm) | 3725 | |
| Blade height (mm) | 1315 | ||
| Blade capacity (m³) | 6.4 | ||
| Max.Drop below ground of blade | 1210 | ||
| Lift height of blade | 540 | ||
| Type of ripper | Single shank/3 shanks | ||
| Maximum digging depth of ripper (mm) | Single 695 Three 666 | ||
| Maximum lifting height of ripper (mm) | Single 515 Three 555 | ||
