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300HP China big bulldozer price new
Application:
Bulldozers are widely used in earth and stone works such as construction, roads, railways, airports, ports, mining, agriculture, water conservancy, forestry, and defense construction. Our HW crawler bulldozer is configured with Weichai engine, it is developed in response to the operation demands of swamp and wetland conditions, and the special design ensures higher operating efficiency.
The bulldozer can perform the following operations:
1. Dozer blade and earth moving: Generally, loose materials such as soil are shoveled within a distance of 100 meters. It is used to build roadbeds, excavate roads, and pile up gravel.
2. Filling: Backfilling rafts, foundation pits, and landfill waste.
3. Flat land: leveling construction site and farmland.
4. Loose soil: Pre-spin the hard soil, frozen soil, and damage the road surface through the ripper.
Other uses of bulldozer: for excavation access roads (draining), shoveling transportation, cleaning snow, shovel for scraper, soil for loader, and tractors for various towing machines or other machinery.
Advantage of HWD38 crawler bulldozer:
1. Cummins NTA855-C360S10, features the advantages of robust power, easy maintenance and high combustion efficiency.closed cooling system, forced air supply to enhance the cooling effect.
2. The gear box is of the planetary gears type, by operating hydraulic control valve for traveling forward and backward. It features planetary gears, multi-disc clutch, hydraulically applied forced lubrication, 3 speeds forward and backwards. transmission power and high productivity. 3 elements, single stage and single phase torque convertor features high efficiency and capacity.
3. The rear axle adopts robot welding and numerical control machining technology to ensure the welding strength and sealing
4. The swing type balance beam suspension structure with splayed beam is connected with the frame and traveling system to transmit the working load and impact load to the main frame during working, which effectively improves the stability of bulldozers.
5. Hydraulic power steering, which adopts wet, multi-leaf spring compression, hydraulic separation structure, steering brake adopts hydraulic power, for wet, floating belt type.
6. The electrical system adopts the water-proof type connector and the new type relay injection molding instrument to guarantee the reliability of the electrical system.
Driving device
The driving device is mainly composed of a trolley frame, a driving wheel, a guiding wheel, a supporting roller, a supporting wheel and a crawler and a track tensioning device to realize the walking movement of the bulldozer.
Crawler tensioning device
The function of the tensioning device is to ensure that the track has sufficient tension to reduce the shock of the track during walking and the falling off during the roll.
Thrust wheel
On one hand, supporting the weight of the bulldozer, one the other hand, preventing the track from derailing while walking
Gear pump
Both the variable speed pump and the steering pump are 30 kg class gear pumps. The structure is simple, no floating side plate structure, low pressure, self-priming ability, and suitable for occasions where pressure is not high. The gear pump suction height must not exceed 0.5 m.
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