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GENERAL
12
Machine model
Serial number
Model
Type
No. of cylinders - bore x stroke
Piston displacement
Gross power @ 2000 rpm
Maximum torque (gross) @ 1400 rpm
High idle
Low idle
Fuel consumption ratio
Starting motor
Alternator
Battery
Torque converter
Transmission
Reduction gear
Differential
Final drive
Drive type
Front axle
Rear axle
Tire
Wheel rim
Inflation pressure Front tire
Inflation pressure Rear tire
Main brakes
Parking brake
WA450-5L WA480-5L
WA450-5L
A36001 and up
Komatsu SAA6D125E-3 diesel engine
4-cycle, water cooled, in-line, 6-cylinder, direct injection with turbocharger,
6 - 125 mm (4.9 in) x 150 mm (5.9 in)
N mode
181.1 kW (243 HP)
195 kW (261 HP)
1167 N•m (860 lbf ft)
1245 N•m (918 lbf ft)
1870 ± 50 rpm
2140 ± 50 rpm
775 ± 25 rpm
775 ± 25 rpm
201 g/kW•h (150 g/
201 g/kW •h (150 g/
HP•h)
3-element, single-stage, single-phase
3-element, 1-stage, 2-phase (with lockup clutch)
mulch-shaft, power shift, spur gear, constant-mesh multiple disc, hydraulically actuated, mod-
Spiral bevel gear, splash lubrication
Planetary gear, single stage, splash lubrication
Center pin support full-floating type
23.5-25-20 PR
19.50-25WTB
2
4.0 kgf/cm
(56.9 lbf/in
2
3.25 kgf/cm
(46.2 lbf/in
4 wheels brake, front-, rear-wheel independent system control, sealed multiple-disc wet-type
disc brake, hydraulically controlled with hydraulic booster
Transmission output shaft brake, sealed wet-type disc brake, hydraulically released spring
air to air aftercooler
11 L (673 in³)
P mode
N mode
186.9 kW (251 HP)
1216 N•m (897 lbf ft)
2020 ± 50 rpm
775 ± 25 rpm
201 g/kW•h (150 g/
HP•h)
HP•h)
24 V, 7.5 kW
24 V, 35 A
24 V, 112 Ah x 2
ulation type
Conventional differential gear
Front / rear wheel drive
Fixed frame full-floating type
2
)
4.2 kgf/cm
2
)
3.5 kgf/cm
type
SPECIFICATIONS
WA480-5L
A37001 and up
P mode
202.4 kW (271 HP)
1294 N•m (954 lbf ft)
2140 ± 50 rpm
775 ± 25 rpm
201 g/kW •h (150 g/
HP•h)
26.5-25-20 PR
22.00-25WTB
2
2
(59.7 lbf/in
)
2
2
(49.8 lbf/in
)
01-3
4
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