Engine Specifications:
The SD22R 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. The engine features six cylinders with a bore and stroke of 139.7 mm x 152.4 mm, and a piston displacement of 14,010 ml. 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. The transmission is a planetary gear with a multi-disc clutch, hydraulically connected and forced lubrication. The main drive consists of 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, with direct on-off hydraulic inter-linking operation. 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. Each side has 2 carrier rollers and 6 track rollers (4 single flange, 2 double flange). The track type is assembled with single-tooth shoes, 38 on each side, with a width of 910 mm and a pitch of 216 mm.

Hydraulic System:
The hydraulic system includes a gear pump with a maximum pressure of 14 MPa and a discharge rate 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. It also has 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 SD22R features an R-Blade with a dozing capacity of 12 m³ and a theoretical efficiency of 413 m³/h over 40 m. The blade width is 4160 mm, and the height is 1870 mm. It can drop a maximum of 550 mm below ground and has a tilt adjustment of over 755 mm. The blade weighs 3067 kg.

Overall Dimensions and Additional Specifications:
The bulldozer has a minimum ground clearance of 513 mm, an operating weight of 25,700 kg, and a ground pressure of 0.041 MPa. The minimum turning radius is 3.8 m, and it has a gradeability of 30°. The track gauge is 2250 mm.

Contact Information:
Shandong Shantui Construction Machinery IMP&EXP Co., Ltd. is located at No.71 East Wutaizha Road, Jining, Shandong, China. Contact numbers are +86-537-2909367, 2909368, 2909369, 2909370, and the fax number is +86-537-2311219. Email: [email protected], Website: www.shantuichina.com