The Komatsu wa 20 1 Wheel Loader (1987-1989) is characterised by low engine power at 21.7 hp (16.2 kW) and low weight at 3,814 lb (1.73 t). The listed maximum bucket capacity is 0.34 yd³ (0.26 m³).
Specification profile
Wheel Loader • 1987-1989
Weight: 3,814 lb (1.73 t)Engine power: 21.7 hp (16.2 kW)Maximum bucket capacity: 0.34 yd³ (0.26 m³)Minimum bucket capacity: 0.29 yd³ (0.22 m³)
3,814 lb (1.73 t)Weight
21.7 hp (16.2 kW)Engine power
0.34 yd³ (0.26 m³)Maximum bucket capacity
0.29 yd³ (0.22 m³)Minimum bucket capacity
9.32 mph (15 km/h)Travel speed
2,600 rpmEngine speed at max torque
3.54 ft (1.08 m)Transport width
4.43 ft (1.35 m)Bucket width
How it compares
Low, average or high?
Engine power
Low
21.7 hp (16.2 kW)
Low 44.3 hp (33 kW)Typical 212 hp (158 kW)High 814 hp (607 kW)
Engine power is well below the typical figure.
Weight
Low
3,814 lb (1.73 t)
Low 7,419 lb (3.37 t)Typical 43,268 lb (19.6 t)High 210,541 lb (95.5 t)
Weight is well below the typical figure.
Maximum bucket capacity
Low
0.34 yd³ (0.26 m³)
Low 1.05 yd³ (0.8 m³)Typical 5.37 yd³ (4.11 m³)High 17 yd³ (13 m³)
Maximum bucket capacity is well below the typical figure.
Minimum bucket capacity
Low
0.29 yd³ (0.22 m³)
Low 0.78 yd³ (0.6 m³)Typical 3.71 yd³ (2.84 m³)High 12.4 yd³ (9.5 m³)
Minimum bucket capacity is well below the typical figure.
Travel speed
Low
9.32 mph (15 km/h)
Low 12 mph (19.3 km/h)Typical 21.4 mph (34.4 km/h)High 26.7 mph (43 km/h)
Travel speed is well below the typical figure.
Transport width
Low
3.54 ft (1.08 m)
Low 5.25 ft (1.6 m)Typical 8.71 ft (2.65 m)High 15.8 ft (4.81 m)
Transport width is well below the typical figure.
Visual overview
Key measurements
Capacity
Published capacity figures shown together for quick comparison.
Working dimensions
Useful working and clearance measurements shown side by side.
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
Hydraulic quick hitchNO
Mechanical quick hitchNO
Swing loaderNO
TelescopicNO
Overview
Model information
| Manufacturer | Komatsu |
|---|---|
| Model | wa 20 1 |
| Category | Wheel Loader |
| Model year / production | 1987-1989 |
Full specifications
Technical details
Performance
Engine power21.7 hp (16.2 kW)
Engine speed at max torque2,600 rpm
Travel speed9.32 mph (15 km/h)
Dimensions
Bucket width4.43 ft (1.35 m)
Maximum discharge height5.74 ft (1.75 m)
Transport height7.68 ft (2.34 m)
Transport length10.5 ft (3.2 m)
Transport width3.54 ft (1.08 m)
Outside turning radius9.58 ft (2.92 m)
Capacity & weight
Maximum bucket capacity0.34 yd³ (0.26 m³)
Minimum bucket capacity0.29 yd³ (0.22 m³)
Weight3,814 lb (1.73 t)
Swing loaderNo
Engine & drivetrain
Displacement0.33 US gal (1.23 L)
Engine manufacturerKomatsu
Engine type3D78-1A
Setup & fitment
Hydraulic quick hitchNo
Mechanical quick hitchNo
Standard tyres10-16.5-4PR
Features
Air conditioningNo
Diesel particulate filterNo
TelescopicNo
Other specifications
Model seriesWA
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