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Chinese Haitui HD22 D7 Hydraulic Cralwer Bulldozer
Introduction
Haitui brand HD22 bulldozer is a hydraulic crawler type dozer which is equivalent to CAT D7 bulldozer or KOMATSU D75 bulldozer.It can be equipped with a variety of working devices and cabs to meet the various working conditions. They are ideal and efficient equipment for earth and stone construction work and bulk scraping.
Main Specifications
| Overall | Dimension | 5460×3725×3395 mm | ||
| Operating Weight | 23500 kg | |||
| ENGINE | Model | Cummins NT855-C280S10 | ||
| Type | Water-cooled, In-line, overhead valve direct injection, turbocharged diesel | |||
| Number of Cylinders | 6 | |||
| Bore × Stroke | Φ139.7×152.4 mm | |||
| Piston Displacement | 14.01 L | |||
| Rated Power | 175 KW (238HP) @1800 rpm | |||
| Max Torque | 1030 N·m @1300 rpm | |||
| Fuel Consumption | 205 g/kW·h | |||
| TRANSMISSION | Torque Converter | 3-element, 1 stage, 1 phase | ||
| Transmission | Planetary gear type, power-shift, forced lubrication | |||
| Central Drive Shaft | Spiral bevel gear, single-stage speed reduction, splash lubrication | |||
| Steering clutch | Wet, multi-disc, spring loaded, hydraulically separated, hydraulic control | |||
| Steering brake | Wet type,floating band structure,foot brake with hydraulic booster | |||
| Final drive | 2-stage speed reduction of spur gear, splash lubrication | |||
| TRAVEL SPEED | Gear | 1st | 2nd | 3rd |
| Forward | 0~3.6 km/h | 0~6.5 km/h | 0~11.2 km/h | |
| Reverse | 0~4.3 km/h | 0~7.7 km/h | 0~13.2 km/h | |
| UNDERCARRIAGE SYSTEM | Type | Sprayed beam, suspended structure of equalizer | ||
| No. of Carrier Rollers | 2 each side | |||
| No. of Track Rollers | 6 each side | |||
| No. of Track Shoes | 38 each side | |||
| Track Shoe type | Single Grouser | |||
| Width of Track shoe | 560 mm | |||
| Pitch | 216 mm | |||
| Track Gauge | 2000 mm | |||
| Ground Pressure | 0.077 Mpa | |||
| HYDRAULIC SYSTEM | Max Pressure | 14 Mpa | ||
| Pump Type | Gear Pump | |||
| Displacement | 262 L/Min | |||
| Bore of Working Cylinder | 120 mm × 2 | |||
| BLADE | Blade Type | Straight-tilt Blade | Angle Blade | Semi-U-blade |
| Blade Capacity | 6.4 m³ | 4.7 m³ | 7.5 m³ | |
| Blade Width | 3725mm | 4365 mm | 3725 mm | |
| Blade Height | 1315 mm | 1055 mm | 1374 mm | |
| Max Drop Below Ground | 538 mm | 535 mm | 540 mm | |
| MaxTilt Adjustment | >735 mm | >500 mm | >755 mm | |
| THREE SHANK RIPPER | Max digging depth | 666 mm | ||
| Max lift above ground | 555 mm | |||
| Weight of 3-shank ripper | 2495 kg | |||
| SINGLE SHANK RIPPER | Max digging depth | 695 mm | ||
| Max lift above ground | 515 mm | |||
| Weight of 1-shank ripper | 2453 kg | |||
Main Features
1,A CUMMINS QSNT-C235 engine which can meet national III emission gives you more power and reliability you need. Improved fuel economy over the previous model with strong torque output and low fuel consumption gives you excellent overall fluid efficiency.
2,The highly reliable power shift transmission, stable torque converter and the two-stage straight-tooth structure final drive transmit power efficiently.
3,It can realize automatic fault diagnosis and full monitoring.The overall cast instrument panel integrates air conditioning, electrical appliances and instruments into one, which is more beautiful and luxury.
4,The main frame of the full box structure adopts steel plate welded full box type integral structure, which is welded with the rear axle box. It has high impact load bearing capacity and resistance to bending and twisting. High quality weld seam ensures the main frame has a full life cycle.
More details
Applications
Export Cases
Our Factory
Shandong Haitui Heavy Industry Machinery Co.,Ltd established since 2010,is a leading manufacturer of construction equipment,offers machinery including bulldozers,wheel excavators and loaders unparalleled in price,quality and performance.
Haitui machinery factory located in economic and development zone,Jining city,Shandong province.It covers around 40000㎡ and have more than 100 workers.The new plant composed by spare parts area,forging workshop,assembly workshop,testing area and office building.The annual production capacity can reach 2000 units machineries to meet the demand of domestic and internation market.
