Bulldozer GMH22D / GMH22DE

Bulldozer GMH22D / GMH22DE

Power: 175KW

Fuel Tank Capacity: 450L

Dimensions: 5750×3725×3402

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The GMH22D is an upgraded hydraulic bulldozer from Hengwang Group, featuring a high-strength chassis, efficient mechanical transmission, and a new-generation operator system.
Designed for power, reliability, and smooth performance across all terrains.


🔹 Power System

  • Equipped with Cummins or Weichai engines

  • Rated power up to 170 kW

  • Delivers strong torque, quick response, and low fuel consumption


🔹 Hydraulic System

  • 14 MPa hydraulic pressure with mechanical linkage + servo control

  • Light, precise, and energy-efficient operation

  • Torque converter efficiency 87%, reducing fuel use by 4.5%


🔹 Cab & Comfort

  • Ergonomic six-sided cab with wide visibility and low noise

  • Electronic throttle / air conditioning / optional FOPS & ROPS

  • Safe, comfortable, and operator-friendly design


🔹 Attachments & Applications

  • Compatible with blade, ripper, towing frame, and winch

  • Works effectively in coal mines, deserts, forests, rocky or soft terrains


🔹 Maintenance & Intelligence

  • Intelligent display terminal with GPS fault diagnosis

  • Easy maintenance, reduced downtime, and lower operating cost

GMH22D Series Bulldozer Specifications Table
Item GMH22D GMH22DE (Prototype Configuration)
Performance Parameters
Operating Weight (kg) (Excluding ripper) 28450 (Equipped with towing frame) 24600 (Equipped with towing frame)
Minimum Turning Radius (mm) 3800 4000
Ground Pressure (kPa) 0.077 0.072
Engine
Engine Model NT855-C280S10 NT855-C280S10
Rated Power / Rated Speed (kW/rpm) 175 / 1800 175 / 1800
Dimensions
Overall Dimensions of the Machine (mm) 5750×3725×3402 6000×3725×3402
Travel Performance
Forward Speed (km/h) F1: 0–4.6 / F2: 0–6.5 / F3: 0–11.2 F1: 0–4.6 / F2: 0–6.5 / F3: 0–11.2
Reverse Speed (km/h) R1: 0–4.3 / R2: 0–7.7 / R3: 0–13.2 R1: 0–4.3 / R2: 0–7.7 / R3: 0–13.2
Chassis System
Ground Clearance (mm) 405 405
Track Center Distance (mm) 2000 2000
Track Shoe Width (mm) 560 560 / 610
Number of Track Shoes (per side) 38 41
Pitch of Track Chains (mm) 215.9 215.9
Number of Carrier Rollers (per side) 2 2
Number of Track Rollers (per side) 6 7
Fuel Tank Capacity
Fuel Tank Capacity (L) 450 450
Hydraulic Oil Tank Capacity (L) 110 110
Blades
Blade Type Straight Tilt Blade / Angle Blade / U-Blade Straight Tilt Blade / Angle Blade / U-Blade
Blade Capacity (m³) 6.4 / 4.7 / 10.5 / 7.5 6.4 / 4.7 / 10.5 / 7.5
Blade Weight (kg) 2830 / 2345 / 2467 / 3419 2830 / 2345 / 2467 / 3419
Blade Width (mm) 3725 / 4365 / 3725 / 3800 3725 / 4365 / 3725 / 3800
Blade Height (mm) 1315 / 1055 / 1347 / 1343 1315 / 1055 / 1347 / 1343
Maximum Lift Height (mm) 1210 / 1290 / 1210 / 1210 1210 / 1290 / 1210 / 1210
Maximum Cutting Depth (mm) 540 / 535 / 540 / 540 540 / 535 / 540 / 540
Ripper
Ripper Type Single tooth / Three teeth Single tooth / Three teeth
Ripper Weight (kg) 2453 / 2602 2453 / 2602
Maximum Ripping Depth (mm) 659 / 656 659 / 656
Maximum Lift Height (mm) 515 / 555 515 / 555
Winch
Winch Type Mechanical winch (TJM20) Mechanical winch (TJM20)
Tractive Force of the Roller (kN) 350 350
Full Drum Tractive Force (kN) 200 200
Full Drum Line Speed (m/min) 0–15.9 0–15.9
Wire Rope Size (mm) Φ28×70000 Φ28×70000
Winch Weight (kg) 3000 3000

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