The Komatsu d37ex 21a bulldozer (2003-2008) is characterised by low engine power at 84.5 hp (63 kW) and low weight at 15,873 lb (7.2 t). Its published travel speed is 5.28 mph (8.5 km/h).
Specification profile
2003-2008
Weight: 15,873 lb (7.2 t)Engine power: 84.5 hp (63 kW)Travel speed: 5.28 mph (8.5 km/h)Engine speed at max torque: 2,000 rpm
15,873 lb (7.2 t)Weight
84.5 hp (63 kW)Engine power
5.28 mph (8.5 km/h)Travel speed
2,000 rpmEngine speed at max torque
8.92 ft (2.72 m)Transport width
10.7 ft (3.25 m)Front Blade Width
15.7 in (400 mm)Track Width
8.86 ft (2.7 m)Transport height
How it compares
Low, average or high?
Engine power
Low
84.5 hp (63 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
15,873 lb (7.2 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
Below average
5.28 mph (8.5 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 below the typical figure.
Transport width
Below average
8.92 ft (2.72 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 below the typical figure.
Transport height
Below average
8.86 ft (2.7 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 below the typical figure.
Transport length
Below average
13.2 ft (4.02 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 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 conditioningYES
Diesel particulate filterNO
Rear RipperNO
Tilt DeviceYES
Overview
Model information
| Manufacturer | Komatsu |
|---|---|
| Model | d37ex 21a bulldozer |
| Model year / production | 2003-2008 |
Full specifications
Technical details
Performance
Engine power84.5 hp (63 kW)
Engine speed at max torque2,000 rpm
Soil Pressure0.41 kg/cm²
Travel speed5.28 mph (8.5 km/h)
Dimensions
Front Blade Width10.7 ft (3.25 m)
Track Width15.7 in (400 mm)
Transport height8.86 ft (2.7 m)
Transport length13.2 ft (4.02 m)
Transport width8.92 ft (2.72 m)
Capacity & weight
Weight15,873 lb (7.2 t)
Engine & drivetrain
Engine manufacturerKomatsu
Engine typeSAA4D102E
Features
Air conditioningYes
Diesel particulate filterNo
Other specifications
Model seriesD
Blade TypePAT
Rear RipperNo
Tilt DeviceYes
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