Dimensions; Hydraulic System; Electrical System; Weight Distribution - Komatsu 730E Brochure

DIMENSIONS

All dimensions are with 111 m 3 145 yd
Bodies Struck
Standard 77 m 3 101 yd 3
*Exact load height may vary due to tire make, type, and inflation pressure.

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
Hoist . . . . . . . . . . . . . . . Two 3-stage dual-acting outboard cylinders,
Hoist times
Power-up loaded . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21 sec
Power-down . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15 sec
Float-down empty . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22 sec
Pumps
Hoist . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Gear-type pump
@1900 rpm and 17240 kPa 2500 psi
Steering and brake. . . . . . . . . . . . . . . . . . . . . . . . Vane-type pump
@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
and for system diagnostics.
E
L E C T R I C
3 body.
2:1 Heap Loading
Height*
111 m 3 145 yd 3 5.61 m 18'5''
with diagnostic test connector.
internal cushion valve.
with output of 513 lpm 135.6 gpm
with output of 235 lpm 62.0 gpm
for powering disabled truck
D T
R I V E 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
Rear axle . . . . . . . . . . . . . . . 73752 kg . . . . 162,593 lb
Total EVW . . . . . . . . . . . . . 140592 kg . . . . 309,950 lb
Gross vehicle weight (Nominal)
Front axle . . . . . . . . . . . . . . 107026 kg . . . . 235,950 lb
Rear axle . . . . . . . . . . . . . . 217296 kg . . . . 479,050 lb
Total . . . . . . . . . . . . . . . . . . 324322 kg . . . . 715,000 lb
Nominal payload* . . . . . . . . 183730 kg . . . . 405,050 lb
*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.
730E
48%
52%
33%
67%
203 U.S. ton