The Komatsu d57s 1 bulldozer (1979-1986) combines low engine power at 133 hp (99 kW) with low weight at 32,254 lb (14.6 t). The listed travel speed is 5.9 mph (9.5 km/h).
Specification profile
1979-1986
Weight: 32,254 lb (14.6 t)Engine power: 133 hp (99 kW)Travel speed: 5.9 mph (9.5 km/h)Engine speed at max torque: 1,900 rpm
32,254 lb (14.6 t)Weight
133 hp (99 kW)Engine power
5.9 mph (9.5 km/h)Travel speed
1,900 rpmEngine speed at max torque
7.04 ft (2.15 m)Transport width
15.7 in (400 mm)Track Width
9.6 ft (2.92 m)Transport height
17.9 ft (5.47 m)Transport length
How it compares
Low, average or high?
Engine power
Low
133 hp (99 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
32,254 lb (14.6 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
5.9 mph (9.5 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
Low
7.04 ft (2.15 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
Below average
9.6 ft (2.92 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
Average
17.9 ft (5.47 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 close to 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 | d57s 1 bulldozer |
| Model year / production | 1979-1986 |
Full specifications
Technical details
Performance
Engine power133 hp (99 kW)
Engine speed at max torque1,900 rpm
Soil Pressure0.76 kg/cm²
Travel speed5.9 mph (9.5 km/h)
Dimensions
Track Width15.7 in (400 mm)
Transport height9.6 ft (2.92 m)
Transport length17.9 ft (5.47 m)
Transport width7.04 ft (2.15 m)
Capacity & weight
Weight32,254 lb (14.6 t)
Engine & drivetrain
Displacement2.24 US gal (8.49 L)
Engine manufacturerKomatsu
Engine typeS4D130-1
Features
Air conditioningNo
Diesel particulate filterNo
Other specifications
Model seriesD
Rear RipperNo
Tilt DeviceNo



