Transmission; Total Mass; Standard Bucket Capacity; Loader - Komatsu WB142-5 Shop Manual

GENERAL

TRANSMISSION

Shifting between 2WD and 4WD is achieved through an electrohydraulic system.
• The transmission is operated through a torque converter and a power shift reversing shuttle.
• The mechanical 4-speed gearbox is synchronized.
Calculated with standard tires and engine at 2,200 rpm.
Gears 1st
km/h 5.2
m/h 3.2

TOTAL MASS

Maximum total mass . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7,298 kg (16,090 lb)

STANDARD BUCKET CAPACITY

Bucket breakout force (ISO 6015) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5,150 kg (11,351 lb)
Arm breakout force . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3,550 kg (7,670 lb)
Front bucket capacity . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . (SAE) 0.77 m
Backhoe bucket capacity . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . (SAE) 0.20 m

LOADER

Standard bucket width . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2,180 mm (7 ft 2 in)
Standard bucket capacity (SAE) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .0.77 m
Standard bucket weight . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 410 kg (904 lb)
Lifting capacity at maximum height . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2,870 kg (6,325 lb)
Lifting capacity at ground level . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3,670 kg (8,089 lb)
Breakout force . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4,590 kg (10,116 lb)

TIRE PRESSURE

Front tire: 12 x 16.5 R4, 12 ply . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4.57 kg/cm
Rear tire: 16.9 x 24 R4, 12 ply . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2.60 kg/cm
WB142-5
FORWARD
2nd 3rd
8.5 18.5
5.3 11.5
MACHINE SYSTEMS SPECIFICATIONS
4th 1st
37.0 5.2
23.0 3.2
REVERSE
2nd 3rd
8.5 18.5
5.3 11.5
3
3
3
4th
37.0
23.0
3
(1.0 yd )
3
(0.24 yd )
3
(6,00 yd )
2
(65 psi)
2
(37 psi)
01-5 3