730E
E
L E C T R I C
D
R I V E
T
R U C K
ELECTRICAL SYSTEM
4 x 8D 1450 CCA, 12 volt batteries, in series/parallel, bumper-
mounted with disconnect switch.
Alternator . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24-volt, 260 amp
Lighting . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24-volt
Cranking motors . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . two/24-volt
WEIGHT DISTRIBUTION
Empty vehicle weight
(wet, 100% fuel, no options, std Komatsu body, std tires)
Front axle . . . . . . . . . . . . . . . 66840 kg . . . .
147,357 lb
48%
Rear axle . . . . . . . . . . . . . . . 73752 kg . . . .
162,593 lb
52%
Total EVW . . . . . . . . . . . . . 140592 kg . . . .
309,950 lb
Gross vehicle weight
(Nominal)
Front axle . . . . . . . . . . . . . . 107026 kg . . . .
235,950 lb
33%
Rear axle . . . . . . . . . . . . . . 217296 kg . . . .
479,050 lb
67%
Total . . . . . . . . . . . . . . . . . . 324322 kg . . . .
715,000 lb
Nominal payload* . . . . . . . . 183730 kg . . . .
405,050 lb
203 U.S. ton
*Nominal payload is defined by Komatsu America Corporation’s payload policy documentation. In
general, the nominal payload must be adjusted for the specific vehicle configuration and site
application. The figures above are provided for basic product description purposes. Please contact
your Komatsu distributor for specific application requirements.
HYDRAULIC SYSTEM
Steering. . . . . . . . . Accumulator-assisted with twin cylinders provide
constant rate steering. Emergency power steering
automatically supplied by accumulator (meets SAEJ1511)
Turning circle diameter (SAE). . . . . . . . . . . . . . . . . . . . . 28.0 m
92 ft
Reservoir . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 731 L
193 U.S. gal
Filtration. . . . . . . . . . . . . . . . . . . . . . . . . In-line replaceable elements
Suction . . . . . . . . . . . . . . . . . . . . . . . . . Single, full-flow, 100 mesh
Hoist and steering . . . . . . . . . Dual, full-flow, in-line, high-pressure
Brake component cabinet. . . . . . . . . . Above-deck, easily accessible
with diagnostic test connector.
Hoist . . . . . . . . . . . . . . . Two 3-stage dual-acting outboard cylinders,
internal cushion valve.
Hoist times
Power-up loaded . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21 sec
Power-down . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15 sec
Float-down empty . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22 sec
Pumps
Hoist . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Gear-type pump
with output of 513 lpm
135.6 gpm
@1900 rpm and 17240 kPa
2500 psi
Steering and brake. . . . . . . . . . . . . . . . . . . . . . . . Vane-type pump
with output of 235 lpm
62.0 gpm
@1900 rpm and 18960 kPa
2,750 psi
System relief pressures
Hoist . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17240 kPa
2,500 psi
Steering and brake . . . . . . . . . . . . . . . . . . . . 27580 kPa
4,000 psi
Quick disconnects standard for powering disabled truck
and for system diagnostics.
DIMENSIONS
All dimensions are with 111 m
3
145 yd
3
body.
Bodies
Struck
2:1 Heap
Loading
Height*
Standard
77 m
3
101 yd
3
111 m
3
145 yd
3
5.61 m
18'5''
*Exact load height may vary due to tire make, type, and inflation pressure.
