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High Quality D7 Elevated-driving Sprocket Bulldozers

SD7N BULLDOZER with Cummins engine, straight blade, sealed ROPS cabin, hydraulic assisting operating, good quality and competitive price.

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Product Detail

High Quality D7 Elevated-driving Sprocket Bulldozers

Main Features

SD7N bulldozer is track-type bulldozer with elevated sprocket, power shift drive, semi-rigid suspended and hydraulic controls. It is with modular design, easy to repair & maintenance. Pilot hydraulic control with high working efficiency. According to the man-machine engineering design, the control system is smart and accurate. It is equipped with multi-function display and ROPS cabin . It can be equipped with U-blade, single shank ripper, three shanks ripper etc.. It is an ideal machine used in communication construction, oil field, power, mining etc. large earth moving projects.

Main Specifications

Technical Data\Model		SD7N
Dozer		Tilt
Operating weight without ripper (kg)		23800
Ground pressure (kpa)		71.9
Track gauge (mm)		1980
Min. ground clearance (mm)		404
Gradient		30°/25°
Dozing capacity (m³)		8.4
Blade width (mm)		3500
Max. digging depth(mm)		498
Overall dimensions without ripper(mm)		567735003402
Engine	Type	CUMMINS NTA855-C280S10
	Rated revelution (rpm)	2100
	Flywheel power (KW/HP)	185/252
Driving system	Torque converter	Power separating， hydraulic-mechanic type
	Transmission	Planetary, power shifting transmission with three speeds forward and three speeds reverse, speed and direction can be quickly shifted
	Steering clutch	Hydraulic pressed, non-constant engaged clutch
	Brake clutch	Pressed by spring, separated hydraulic, constant meshed type
	Final drive	Two-stage planetary reduction gear mechanism, splash lubrication
Undercarriage system	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)	560
	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)	20
	Pump type	High pressure gears pump
	System output (L/min)	170