Komatsu 730E - Page 141

OM5060 Specifications - Section 50
Page 50-3
SPECIFICATIONS
These specifications are for the standard 730E dump truck. Customer options may change this listing.
ENGINE
Komatsu SSA16V159
Number of Cylinders . . . . . . . . . . . . . . . . . . . . . . . 16
Operating Cycle. . . . . . . . . . . . . . . . . . . . . . 4-Stroke
Rated Brake HP. . 1491 kW (2000 HP) @ 1900 RPM
Flywheel HP . . . . 1388 kW (1860 HP) @ 1900 RPM
Weight (Wet) . . . . . . . . . . . . . . . 5294 kg (11,670 lbs)
ELECTRIC DRIVE SYSTEM
STATEX III w/Fuelsaver. . . . . . . . . . AC/DC Current
Alternator. . . . . . . . . . . . . General Electric GTA - 22
Motorized Wheels . . . . . . . . . . General Electric 788*
Standard Gear Ratio* . . . . . . . . . . . . . . . . . 26.825:1
Maximum Speed . . . . . . . . . . . 34.6 mph (55.7 km/h)
*NOTE: Wheel motor application depends upon GVW, haul road
grade, haul road length, rolling resistance, and other parameters.
KOMATSU & G.E. must analyze each job condition to assure
proper application.
DYNAMIC RETARDING
Electric Dynamic Retarding . . . . . . . . . . . . Standard
Maximum Retarding . . . . . . . . . 2759 kW (3700 HP)
. . . . . . . . . . . . . With Continuous Rated Blown Grids
Two-Speed Overspeed & Extended Range Retarding
. . . . . . . . . . . . . . . . . . . . . . . . . . . Reverse Retarding
BATTERY ELECTRIC SYSTEM
Batteries . Bumper-Mounted in Polyethylene Boxes
. . . . . . . . . . Four 12-Volt Batteries in Series/Parallel
. . . . . . . . . . . . . . . . . . . . 220 Ampere-Hour Capacity
. . . . . . . . . . . . . . . . . . . . . . . With Disconnect Switch
Alternator. . . . . . . . . . . 24-Volt, 140 Ampere Output
Lighting . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24-Volt
Starters (2). . . . . . . . . . . . . . . . . . . . . . . . . . . 24-Volt
SERVICE CAPACITIES
. . . . . . . . . . . . . . . . . . . . . . Liters. . . U.S. Gallons
Crankcase (includes lube oil filters)
Komatsu . . . . . . . . . . . . . . . . . 223. . . . . . . . . . . . .59
Cooling System . . . . . . . . . . . 409. . . . . . . . . . . .108
Fuel . . . . . . . . . . . . . . . . . . . 3217 . . . . . . . . . . .850
Hydraulic System . . . . . . . . . . 731 . . . . . . . . . . .193
Wheel Motor Gear Box. . . .40/Wheel . . .10.5/Wheel
HYDRAULIC SYSTEM
Pumps:
Hoist (gear-type). . . . . . . . . . .513 l/min (135.6 GPM)
. . . . . . . . . . . . at 17240 kPa (2500 psi) @ 1900 rpm
Steering/Brake (vane-type). . . . . 235 l/min (62 GPM)
. . . . . . . . . . . at 18960 kPa (2750 psi) @ 1900 RPM
Relief Pressure-Hoist . . . . . . . .17240 kPa (2500 psi)
Relief Pressure-Steering . . . . .27580 kPa (4000 psi)
Hoist . . . . . . . . Two Three-Stage Hydraulic Cylinders
Tank . . . . . . . Vertical - Cylindrical, Non-Pressurized
Service Capacity . . . . . . . .731 Liters (193 U.S. Gal)
Filtration . . . . . . . . . . . In-line Replaceable Elements
Suction . . . . . . . . . . . . . Single, Full Flow, 100 Mesh
Hoist and Steering High-Pressure Filters
. . . . . . . . . . . . . . . . . Dual, Full Flow, Seven Micron
. . . . . . . . . . . . . . . . . . . . . . . . . Beta 12 rating = 200
SERVICE BRAKES
Actuation . . . . . . . All Hydraulic - Caliper/Disc
. . . . . . . . . . . . . . .(Front) . . . . . . . . . . . . . . . .(Rear)
Type . . . . . . . . . Single Disc. . . . . . . . . . . . Dual Disc
. . . . . . . . . . . . Wheel Speed . . . . . .Armature Speed
STEERING
Turning Circle (SAE). . . . . . . . . . . . . . . 28.0 m (92 ft)
Twin hydraulic cylinders with accumulator assist to
provide constant rate steering.
Emergency power steering automatically provided by
accumulators (meets SAE J1511).