SD7K Bulldozer

SD7K bulldozer is semi-rigid suspended, elevated sprocket, the tier III electronic control engine, hydro-static transmission infinitely variable speed, full power matching, automatic control independent cooling system.

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Technical Features

SD7K bulldozer is semi-rigid suspended, elevated sprocket, the tier III electronic control engine, hydro-static transmission infinitely variable speed, full power matching, automatic control independent cooling system. Electronically controlled engine with full power matching pattern, low pollution and energy saving; the SD7K bulldozer is integrated with modular design, easy to repair and maintenance, pilot hydraulic control implement, operation accurately and comfortable; human-computer interaction instrument display, fully sealed air conditioning cab. It can be equipped with angle blade, U-shape blade, single shank ripper, three shanks ripper and variety of working device; it is an ideal machine used in transportation construction, desert, oil field, electric power project, mining and other large earth moving projects.


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Performance Parameters


EngineWeichai WP12G250E302
Flywheel output185KW/240HP
Operating weight25500Kg
Ground pressure77.9Kpa
Track gauge1980mm
Gradient30°/25°
Min. ground clearance394mm
Dozing capacity8.1 m³
Blade width3550mm
Max. Digging depth498mm
Overall dimensions5876x3550x3402mm



A high-efficiency bulldozer is a type of heavy equipment that is designed to move large amounts of dirt, sand, gravel, and other materials. Some of the key characteristics of a high-efficiency bulldozer include:


Power: High-efficiency bulldozers typically have large, powerful engines that provide a lot of torque and horsepower, allowing them to easily move heavy loads.


Track drive: The majority of modern bulldozers use a track drive system, which allows them to traverse rough terrain and soft ground without sinking or getting stuck.


Blade: Bulldozers are typically equipped with a large, flat blade on the front that can be adjusted to various angles to move different types of materials.


Ripper: Some bulldozers are also equipped with a ripper, which is a device that can be used to break up hard surfaces like asphalt and concrete.


Operator's Cab: Many high-efficiency bulldozers have a well-appointed operator's cab that provides a comfortable, air-conditioned space for the operator to work in, with features like a suspension seat, radio, and controls that are easy to use.


Automatic transmission system: Some modern bulldozers come with a fully automatic transmission system which makes it easier for the operator to focus on his task than shifting gears.


Technological advancements: recent high-efficiency bulldozers come with technology like GPS-controlled grading, Automatic blade control, 3D mapping, and other advanced features that help to optimize performance and reduce operator effort.


Xuanhua is the leading bulldozer manufacturer in China and the only manufacturer of overhead sprocket bulldozers in China that has mastered the core technology and achieved mass production. The reasonable design and functional unit arrangement make the Hydraulically Driven Bulldozers feature high quality, high durability, and easy maintenance and repair.

High Efficient Bulldozer

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