Komatsu wa 20 1 Wheel Loader Specs (1987-1989)

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.

Maximum bucket capacity0.34 yd³ (0.26 m³)
Minimum bucket capacity0.29 yd³ (0.22 m³)

Working dimensions

Useful working and clearance measurements shown side by side.

Outside turning radius9.58 ft (2.92 m)
Maximum discharge height5.74 ft (1.75 m)
Bucket width4.43 ft (1.35 m)

Overall size

The main published dimensions shown together at a glance.

Transport length10.5 ft (3.2 m)
Transport height7.68 ft (2.34 m)
Transport width3.54 ft (1.08 m)
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