The Komatsu d21q 6 bulldozer (1988-1995) combines low engine power at 39.6 hp (29.5 kW) with low weight at 9,083 lb (4.12 t). The listed travel speed is 2.73 mph (4.4 km/h).
Specification profile
1988-1995
Weight: 9,083 lb (4.12 t)Engine power: 39.6 hp (29.5 kW)Travel speed: 2.73 mph (4.4 km/h)Engine speed at max torque: 2,450 rpm
9,083 lb (4.12 t)Weight
39.6 hp (29.5 kW)Engine power
2.73 mph (4.4 km/h)Travel speed
2,450 rpmEngine speed at max torque
6.56 ft (2 m)Transport width
20.1 in (510 mm)Track Width
7.19 ft (2.19 m)Transport height
11.2 ft (3.41 m)Transport length
How it compares
Low, average or high?
Engine power
Low
39.6 hp (29.5 kW)
Low 61.7 hp (46 kW)Typical 222 hp (165 kW)High 758 hp (565 kW)
Engine power is well below the typical figure.
Weight
Low
9,083 lb (4.12 t)
Low 10,097 lb (4.58 t)Typical 52,108 lb (23.6 t)High 165,347 lb (75 t)
Weight is well below the typical figure.
Travel speed
Low
2.73 mph (4.4 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 well below the typical figure.
Transport width
Low
6.56 ft (2 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 below the typical figure.
Transport height
Low
7.19 ft (2.19 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 well below the typical figure.
Transport length
Low
11.2 ft (3.41 m)
Low 11.3 ft (3.44 m)Typical 17.5 ft (5.34 m)High 34.1 ft (10.4 m)
Transport length is well below the typical figure.
Visual overview
Key measurements
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 | d21q 6 bulldozer |
| Model year / production | 1988-1995 |
Full specifications
Technical details
Performance
Engine power39.6 hp (29.5 kW)
Engine speed at max torque2,450 rpm
Soil Pressure0.24 kg/cm²
Travel speed2.73 mph (4.4 km/h)
Dimensions
Track Width20.1 in (510 mm)
Transport height7.19 ft (2.19 m)
Transport length11.2 ft (3.41 m)
Transport width6.56 ft (2 m)
Capacity & weight
Weight9,083 lb (4.12 t)
Engine & drivetrain
Displacement0.71 US gal (2.69 L)
Engine manufacturerKomatsu
Engine type4D95S-w
Features
Air conditioningNo
Diesel particulate filterNo
Other specifications
Model seriesD
Rear RipperNo
Tilt DeviceNo
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