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220HP Standard Type Hydraulic Crawler Bulldozer
Introduction
Haitui brand 220hp bulldozer HD22 is a standard type hydraulic crawler dozer.It equivalent to CAT D7 dozer or SHANTUI SD22 bulldozer.With multiple working devices and cabs,HD22 bulldozer can meet the operation demands for diversified working conditions and is an ideal high-efficiency machine for earth-moving operations and bulk material handling.
Main Specifications
| Model | HD22 |
| Operating weight(Kg) | 23500 |
| Engine model | Cummins NT855-C280S10 |
| Rated power(kw/rpm) | 175/1800 |
| Displacement(L) | 14.01 |
| Dimension(no ripper)(mm) | 5492×3726×3742 |
| Ground pressure(MPa) | 0.077 |
| Track shoe width(mm) | 560 |
| Track gauge(mm) | 2000 |
| Dozing capacity( m³) | 6.4 |
Main Features
1,CUMMINS NT855-C280S10 engine features strong power and high efficiency and energy-saving,it can run normally and reliably under all load conditions and all hot environments required by the user, without overheating.
2,Transmission
Torque converter: Torque converter, 3-element, 1-stage, 1-phase
Transmission: Planetary gear type, multi-disc Clutch, hydraulically connected, forced lubrication
Main drive: Spiral bevel gear, Single-stage speed reduction, Splash lubrication
Steering Clutch: Wet. Multi-disc, spring loaded, hydraulicseparated, hydraulic control
Steering brake: Wet, Floating, direct on-off hydraulic inter-linking operation
Final drive: 2-stage speed reduction of spur gear splash lubrication.
3,The semi-rigid suspension traveling system increases the ground area of tracks and improves the traction force of vehicle.
4,The gearshift, steering, and accelerator controls are arranged on the left side with the adoption of flexible shaft structure. The working device controls are arranged on the right side with adoption of servo control system to achieve lighter and more flexible operations and relieve the operating fatigue.
5,The standard straight tilting blade features powerful cutting force to handle diversified severe working environments and it can be replaced by angle blade,U type blade and Semi-U type blade.The large single-shank ripper of adjustable penetrating angle can be equipped for the ripping of clay and frozen earth.
Application cases
HD22 220hp bulldozer is a multifunctional earthmoving machinery and it widely used at construction projects,environment sanitation treatment,road construction,landfill,forest logging etc.
Export Cases
Haitui bulldozers has been exported to many countries,like Russia,Australia,South Asia,South America,Kenya,Gambia etc.The great performance get the high compliment from our customers.The following photos are 220hp bulldozer HD22 arrived Kenya.
Our Service
1,We provide all kinds of wear and maintenance parts including filters,lubricating oil,cylinders and undercarriage parts.
2,Technical training at factory or send engineer to clients’ place.
3,Timely and quickly response for any quality or problems feedback.
Our factory
Haitui bulldozer factory covers around 40000㎡ and have more than 100 workers.The new plant composed by spare parts area,assemble workshop,testing area and office building.The annual production capacity can reach 2000 units crawler bulldozers to meet the demand of domestic and internation market.
