SD7 220HP Hydraulic Drive Crawler Bulldozer

Crawler Bulldozer, cummins engine, 220hp, 24000kg, hydraucli directly drive, new structure,safety and comfortable operation - details see: https://www.machineto.com/sd7-220hp-hydraulic-drive-crawler-bulldozer-10105551

Place of Origin:Hebei China (Mainland)	Brand Name:SD	Model Number:SD7	Condition:New
Moving Type:Crawler Bulldozer	Machine Weight:23800kg	Dimension(Long * Breadth * High):7604x3823x3402	After-sales Service Provided:Engineers available to service machinery overseas
color:yellow

Main Techinical Paraemter

SD7 bulldozer are 220 horsepower track-type dozer with elevated sprocket, hydraulic direct drive, semi-rigid suspended and hydraulic controls. It can be equipped with straight tilting blade, angle blade, coal pushing blade,

single shank ripper, three shanks ripper. The cab is Ropes with air conditioner.

Diesel engine specifications

Model: NT855-C280 (Chongqing Cummins)

Type: water cooled, single line, vertical, four strokes, turbocharged, 6-cylinders, diameter 140mm

Rated speed: 2100 RPM

Flywheel power (speed at 2100 rpm): 169 kW

Starting mode: 24V electric starting

Torque converter

Torque converter used in SD7 bulldozer is power separating hydraulic-mechanic type.

Transmission assembly

It integrates center drive, transmission and speed changing control valve into one component. It can be assembled or disassembled as a assembly or as a part. It is very convenient to service. Transmission is multi-stage planetary gear drive to realize modular assembling and disassembling. The shift can be changed among 1st gear, 2nd gear, 3rd gear forward or reverse rapidly, through multi-functional control valve.