Engine Specifications:
The SD22E Bulldozer is equipped with a Cummins NT855-C280 BCIII engine, which is an in-line, water-cooled, 4-cycle, overhead valve, direct injection, turbocharged diesel engine. It has a rated power of 162 kW (220 HP) at 1800 rpm and a piston displacement of 14010 ml. The engine features six cylinders with a bore and stroke of 139.7 mm x 152.4 mm. The minimum fuel consumption is 205 g/kW.h, and the maximum torque is 1030 N.m at 1250 rpm.

Power Transmitting System:
The bulldozer uses a 3-element, 1 stage, 1 phase torque converter and a planetary gear transmission with a multi-disc clutch, hydraulically connected and forced lubrication. The main drive is a spiral bevel gear with splash lubrication and single-stage speed reduction. The steering clutch is wet, multi-disc, spring-loaded, hydraulically separated, and controlled. The steering brake is wet, floating, and operates with direct on-off hydraulic inter-linking. The final drive is a 2-stage speed reduction of spur gear with splash lubrication.

Undercarriage System:
The undercarriage features a swing type of sprayed beam with a suspended structure of an equalizer bar. It has two carrier rollers on each side and seven track rollers per side (four single flange and three double flange). The track type is assembled with single-tooth shoes, 41 on each side, with a width of 560 mm and a pitch of 216 mm.

Hydraulic System:
The hydraulic system includes a gear pump with a discharge of 262 L/min at 1800 rpm. The bore of the working cylinder is 120 mm with two double-acting types.

Travel Speed:
The bulldozer has three forward gears with speeds ranging from 0-3.6 km/h, 0-6.5 km/h, and 0-11.2 km/h, and three reverse gears with speeds ranging from 0-4.3 km/h, 0-7.7 km/h, and 0-13.2 km/h.

Blade Specifications:
The blade is a straight-tilt type with a width of 3725 mm and a height of 1315 mm. It has a dozing capacity of 6.4 m³ and a theoretical efficiency of 413 m³/h. The maximum drop below ground is 540 mm, and the maximum tilt adjustment is greater than 755 mm. The blade weighs 2768 kg.

Ripper Specifications:
The 3-shank ripper has a maximum digging depth of 666 mm and a maximum lift above ground of 555 mm, weighing 2495 kg. The single ripper has a maximum digging depth of 695 mm and a maximum lift above ground of 515 mm, weighing 2453 kg.

Overall Dimensions and Contact Information:
The bulldozer has an operating weight of 24.6 t and a ground pressure of 0.072 MPa. The minimum turning radius is 3.8 m, and the gradeability is 30 degrees. The track gauge is 2000 mm. For more information, contact Shandong Shantui Construction Machinery IMP&EXP CO., LTD. at No.71 East Wutaizha Road, Jining, Shandong, China. Tel: +86-537-2909367, Fax: +86-537-2311219, Email: [email protected], Website: www.shantuichina.com.