The Komatsu d155ax 7 wh bulldozer (2020-2026) brings together high engine power at 359 hp (268 kW) and high weight at 91,514 lb (41.5 t). Another useful figure is reverse travel speed at 8.7 mph (14 km/h).
Specification profile
2020-2026
Weight: 91,514 lb (41.5 t)Engine power: 359 hp (268 kW)Reverse Travel Speed: 8.7 mph (14 km/h)Travel speed: 7.21 mph (11.6 km/h)
91,514 lb (41.5 t)Weight
359 hp (268 kW)Engine power
8.7 mph (14 km/h)Reverse Travel Speed
7.21 mph (11.6 km/h)Travel speed
13.3 ft (4.06 m)Transport width
14 ft (4.26 m)Front Blade Width
24 in (610 mm)Track Width
12.7 ft (3.87 m)Transport height
How it compares
Low, average or high?
Engine power
High
359 hp (268 kW)
Low 61.7 hp (46 kW)Typical 222 hp (165 kW)High 758 hp (565 kW)
Engine power is well above the typical figure.
Weight
High
91,514 lb (41.5 t)
Low 10,097 lb (4.58 t)Typical 52,108 lb (23.6 t)High 165,347 lb (75 t)
Weight is well above the typical figure.
Reverse Travel Speed
Above average
8.7 mph (14 km/h)
Low 5.28 mph (8.5 km/h)Typical 7.31 mph (11.8 km/h)High 9.26 mph (14.9 km/h)
Reverse Travel Speed is above the typical figure.
Travel speed
Above average
7.21 mph (11.6 km/h)
Low 4.04 mph (6.5 km/h)Typical 6.47 mph (10.4 km/h)High 8.7 mph (14 km/h)
Travel speed is above the typical figure.
Transport width
High
13.3 ft (4.06 m)
Low 5.87 ft (1.79 m)Typical 9.9 ft (3.02 m)High 15.4 ft (4.69 m)
Transport width is well above the typical figure.
Transport height
Above average
12.7 ft (3.87 m)
Low 7.19 ft (2.19 m)Typical 10.8 ft (3.3 m)High 15.1 ft (4.59 m)
Transport height is above the typical figure.
Visual overview
Key measurements
Speed
Published speed figures shown together.
Overall size
The main published dimensions shown together at a glance.
Equipment
Features & equipment
Published equipment and feature availability for this model.
Air conditioningYES
Diesel particulate filterNO
Rear RipperNO
Tilt DeviceNO
Overview
Model information
| Manufacturer | Komatsu |
|---|---|
| Model | d155ax 7 wh bulldozer |
| Model year / production | 2020-2026 |
Full specifications
Technical details
Performance
Engine power359 hp (268 kW)
Reverse Travel Speed8.7 mph (14 km/h)
Soil Pressure0.84 kg/cm²
Travel speed7.21 mph (11.6 km/h)
Dimensions
Front Blade Width14 ft (4.26 m)
Track Width24 in (610 mm)
Transport height12.7 ft (3.87 m)
Transport length24.5 ft (7.46 m)
Transport width13.3 ft (4.06 m)
Capacity & weight
Weight91,514 lb (41.5 t)
Engine & drivetrain
Cylinder bore × stroke140×165 mm
Displacement4.03 US gal (15.2 L)
Emission levelTier IV/stage IIIB
Engine manufacturerKomatsu
Engine typeSAA6D140E-6
Number of cylinders6.0
Transmission TypeW
Features
Air conditioningYes
Diesel particulate filterNo
Other specifications
Model seriesD
Blade TypeU
Rear RipperNo
Tilt DeviceNo
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