1.SD7HW bulldozer is 230 horsepower track-type dozer with elevated sprocket, power shift drive, semi-rigid suspended and hydraulic controls.
2.SD7HW-230 horsepower, elevated sprocket bulldozer integrate with modular design is easy to repair & maintenance, It relieves oil with difference pressure, the hydraulic system performs protecting environment and save energy with high working efficiency.
3.Safety comfortable operation condition, electric monitoring and ROPS cabin with reliable entire quality, excellent service is your wise choosing. It is also your best choice for Communication optical cable, wire, cable and other constructions.

Dozer			Tilt
(not including ripper) Operation weight (Kg)			25670
Ground pressure(KPa)			51.96
Track gauge(mm)			2235
Gradient			30°/25°
Min. ground clearance (mm)			404
Dozing capacity (m³)			13.4
Blade width (mm)			4220
Max. digging depth (mm)			635
Overall dimensions (mm)			5245×4220×3482
Type			CUMMINS NTA855-C280S10
Rated revolution (rpm)			2100
Rated power (KW)			169/230
Max. torque (N•m/rpm)			1097/1500
Rated fuel consumption(g/KW•h)			≤235
Type			The track is triangle shape. The sprocket is elevated elastic suspended.
Number of track rollers (each side)			7
Pitch (mm)			216
Width of shoe (mm)			760/910
Gear	1st	2nd		3rd
Forward  (Km/h)	0-3.9	0-6.5		0-10.9
Backward (Km/h)	0-4.8	0-8.2		0-13.2
Implement hydraulic system
Max. system pressure (MPa)			18.6
Pump type			High pressure gears pump
System output（L/min）			194
Torque converter			Torque converter is power separating hydraulic-mechanic type
Transmission			Planetary, power shift transmission With three speeds forward and three Speeds reverse, speeds and Direction can be quickly shift
Steering clutch			The steering clutch is hydraulic pressed, usually separated clutch.
Braking clutch			The braking clutch is pressed by spring, separated hydraulic, meshed type.
Final drive			The final drive is two-stage planetary reduction gear mechanism, splash lubrication.