Engine Specifications:
The SD22S 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.

Transmission System:
The bulldozer uses a planetary gear transmission with a multi-disc clutch, hydraulically connected and forced lubrication. The torque converter is a 3-element, 1 stage, 1 phase type. The main drive consists of a spiral bevel gear with splash lubrication and single-stage speed reduction.

Steering and Braking:
The steering clutch is wet, multi-disc, spring-loaded, and hydraulically separated with hydraulic control. The steering brake is wet, floating, and operates with direct on-off hydraulic inter-linking.

Undercarriage System:
The undercarriage features a swing type of sprayed beam with a suspended structure of an equalizer bar. It includes 2 carrier rollers per side and 8 track rollers per side (5 single flange, 3 double flange). The track type is assembled single-tooth shoes with 45 per side, and the width of track shoes is 910 mm with a pitch of 216 mm.

Hydraulic System:
The hydraulic system uses 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.

Blade Specifications:
The bulldozer is equipped with a straight-tilt blade. The blade width is 4365 mm, and the height is 1248 mm. It has a dozing capacity of 6.8 m3 and a theoretical efficiency of 330 m3/H over 40 m. The maximum drop below ground is 540 mm, and the maximum tilt adjustment is greater than 735 mm. The blade weighs 3630 kg.

Overall Dimensions and Performance:
The operating weight of the bulldozer is 25.7 tons, with a ground pressure of 0.077 MPa. The minimum ground clearance is 405 mm, and the minimum turning radius is 3.3 meters. The bulldozer has a gradeability of 30 degrees and a track gauge of 2000 mm.

Contact Information:
Shandong Shantui Construction Machinery IMP&EXP Co., Ltd. is located at No.71 East Wutaizha Road, Jining, Shandong, China. Contact can be made via phone at +86-537-2909367 or email at [email protected]. More information is available on their website: www.shantuichina.com.