Transmission; Total Mass; Loader; Backhoe - Komatsu WB156PS-5 Shop Manual

Backhoe loader
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GENERAL

TRANSMISSION

Electronically-controlled, four-wheel drive, full powershift transmission
Twist Grip or EGM™ (Electronic Gear Management) gear controls for changing driving direction and gears at full power
without disengaging the drive
Twist Grip Controls in manual mode
Gears
1st
km/h
6.5
m/h
4.0

TOTAL MASS

Maximum total mass . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7,498 - 8,518 kg (16,530 - 18,780 lb)

LOADER

The design of the front loader allows for better tensile strength distribution and parallel movements when raising and lowering
the bucket. Due to the linkage geometry, the number of greasing points has been dramatically reduced.
Standard bucket width . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2,356 mm (7 ft 9 in)
Standard bucket capacity (SAE) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 0.95 m
Standard bucket weight . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 454 kg (1,000 lb)
Lifting capacity at maximum height . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3,900 kg (8,598 lb)
Lifting capacity at ground level . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5,000 kg (11,020 lb)
Breakout force . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6,000 kg (13,224 lb)

BACKHOE

The boom has a rounded profile and reinforced structure built with cast ends allowing for 180° rotation while maintaining high
rotation torque.
Bucket breakout force (ISO 6015) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6,126 kg (13,505 lb)
Arm breakout force (ISO 6015) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3,915 kg (8,631 lb)

TIRE PRESSURE

Front tire: 14 x 17.5 R4, 10 ply . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3.26 - 3.36 kg/cm
Rear tire: 19.5 x 24 R4, 12 ply . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .1.83 - 1.93 kg/cm
WB156PS-5
FORWARD
2nd
3rd
12.0
23.0
7.5
14.3
MACHINE SYSTEMS SPECIFICATIONS
4th
1st
40.0
6.5
25.0
4.0
REVERSE
2nd
3rd
12.0
23.0
7.5
14.3
3
2
(46 - 48 psi)
2
(26 - 27 psi)
4th
3
(1.25 yd
)
01-7
1

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