Key specifications for the Komatsu d155a 6r bulldozer (2020-2026) include high engine power at 359 hp (268 kW) together with high weight at 91,933 lb (41.7 t). It also has reverse travel speed of 8.51 mph (13.7 km/h).
Specification profile
2020-2026
Weight: 91,933 lb (41.7 t)Engine power: 359 hp (268 kW)Reverse Travel Speed: 8.51 mph (13.7 km/h)Travel speed: 7.08 mph (11.4 km/h)
91,933 lb (41.7 t)Weight
359 hp (268 kW)Engine power
8.51 mph (13.7 km/h)Reverse Travel Speed
7.08 mph (11.4 km/h)Travel speed
13.5 ft (4.13 m)Transport width
13.5 ft (4.13 m)Front Blade Width
22 in (560 mm)Track Width
11.1 ft (3.4 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
91,933 lb (41.7 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
8.51 mph (13.7 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
7.08 mph (11.4 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
13.5 ft (4.13 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
Average
11.1 ft (3.4 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 close to 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 conditioningNO
Diesel particulate filterNO
Rear RipperNO
Tilt DeviceNO
Overview
Model information
| Manufacturer | Komatsu |
|---|---|
| Model | d155a 6r bulldozer |
| Model year / production | 2020-2026 |
Full specifications
Technical details
Performance
Engine power359 hp (268 kW)
Reverse Travel Speed8.51 mph (13.7 km/h)
Soil Pressure0.92 kg/cm²
Travel speed7.08 mph (11.4 km/h)
Dimensions
Front Blade Width13.5 ft (4.13 m)
Track Width22 in (560 mm)
Transport height11.1 ft (3.4 m)
Transport length28.5 ft (8.68 m)
Transport width13.5 ft (4.13 m)
Capacity & weight
Weight91,933 lb (41.7 t)
Engine & drivetrain
Cylinder bore × stroke140×165 mm
Displacement4.03 US gal (15.2 L)
Engine manufacturerKomatsu
Engine typeSAA6D140E-5
Number of cylinders6.0
Transmission TypeW
Features
Air conditioningNo
Diesel particulate filterNo
Other specifications
Model seriesD
Blade TypeSU
Rear RipperNo
Tilt DeviceNo
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