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Komatsu 730E-8 ELECTRIC TRUCKS

Capacity	200
Horsepower	2,000 @1900 rpm
MaxGrossVehicleWeight	724000

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Feature Parameter

Automatic Speed Control

While in retard or propel, the operator has the ability to select a comfortable travel speed. Automatic Speed Control simultaneously manages the speed of each wheel independently to allow for any immediate adjustments needed during slippery underfoot conditions.

Automotive Style Instrument Panel

The 730E comes with a new operator friendly dash configuration which includes lighted gauges, switches, and information panel. This allows the operator to see the status of the machine during operation and informs them of any faults. An instructive message will appear after any fault is detected on the machine.

Built-in ROPS and FOPS Structure

Integral ROPS/FOPS Level 2 cab. These structures conform to ISO standards 3471 and 3449.

Electric Dynamic Retarder

The 2387 kW 3,200 HP retarding system provides state ofthe art braking capacity for navigating today’s mining applications which contain steep continuous descents and sharp switchbacks. The continuous retarding capacity enhances the productivity of the vehicle operator, while eliminating the need for excessive mechanical braking effort.

Fully Hydraulic Dry Disc Brakes

The 730E comes standard with four-wheel hydraulically actuated dry disc service brakes. By using a fully hydraulic braking system, the formation of water and sediments - typical in air actuated braking systems - is no longer present. This prevents contamination, freezing and corrosion from affecting service brake component life.

GEB35 with Combo Brake

The GEB35 is a proven wheelmotor design based on the GEB25 and 788. It has a standard gear ratio of 30.8:1 and is designed for 12% equivalent grades.

Hydropneumatic Suspension

Hydrair II® is a suspension system that utilizes four nitrogen-over-oil cylinders. This suspension system is designed to maximize machine productivity by providing the operator with a smooth and comfortable ride. By absorbing shocks to the chassis during operation, Hydrair II® contributes to the durability of the machine’s frame and components.

IGBT AC Electric Drive System

Invertex II® AC control system offers independent control of the rear wheel motors, which in turn provides outstanding traction-ability during wet and slippery conditions, thus improving tire wear and operator confidence.
The air cooled Insulated Gate Bipolar Transistor (IGBT)inverter system technology provides the highest available reliability. The IGBT inverter is more compact and much simpler than the design of its predecessor, the Gate Turn Off (GTO) inverter, which improves serviceability and routine maintenance.

Tight Turning Radius

By using double acting hydraulic steering cylinders with a six point articulation linkage,the power steering system provides steering control with minimal operator effort. The turning radius is 13.6 m44' 6", which provides excellent maneuverability for tight loading and dumping conditions. The steering accumulators comply with ISO-5010 standards.

Traction - Spin-Slide - Control

During slippery events caused by inclement weather conditions and/or application severity, the wheel Spin-Slide technology will detect and correct any wheel spin control events. Spin-Slide Control operates automatically and independently of the service brakes. During propulsion, "wheel slip control” reduces non-productive wheel spin in low traction conditions. During retarding, "wheel slide control” prevents wheel lockup and subsequent sliding.

Body

All-welded steel flat floor body with horizontal bolsters and full canopy. Eyebrow, rear wheel rock ejectors, body up sling and rubber mounts on frame are standard.

Floor sheet - Outer (1379 MPa 200,000 psi tensile strength steel)	0.63''	16 mm
Floor sheet - Center (1379 MPa 200,000 psi tensile strength steel)	0.75''	19 mm
Front sheet (1379 MPa 200,000 psi tensile strength steel)	0.39''	10 mm
Side sheet (1379 MPa 200,000 psi tensile strength steel)	0.31''	8 mm
Canopy sheet (690 MPa 100,000 psi tensile strength steel)	0.24''	6 mm
Capacity struck	121 yd³	93 m³
SAE heaped 2:1	165 yd³	126 m³
Standard Komatsu body weight	62,100 lb	28169 kg

Braking System

System meets ISO 3450/1996.
Service brakes: all-hydraulic actuated.
Front:		Wheel speed disc. Three calipers on a 1213 mm / 47.75" O.D. disc
Rear		Dual disc armature speed. Two 635 mm / 25" O.D. discs per side. One caliper per disc.
Emergency brakes		Automatically applied prior to hydraulic system pressure dropping below level required to meet secondary stopping requirements.
Wheel brake locks		Switch-activated
Parking brakes		Spring-applied, hydraulically released, with speed application protection.
Electric dynamic retarder (max.)	3,200 hp / 2387 kW	Continuously rated high-density blown grids w/retard at engine idle and retard in reverse propulsion.

Cab

Advanced Operator Environment with integral 4-post ROPS/FOPS Level 2 cab, adjustable air suspension seat w/lumbar support and arm rests, full-size passenger seat, maximum R-value insulation, tilt and telescoping steering wheel, electric windshield wipers w/washer, tinted glass, power windows, Komatsu Payload Weighing System, 61,000 Btu/hr heater and defroster, 19,900 Btu/hr air conditioning (HFC - 134A refrigerant).

Parameter

Floor sheet - Outer (1379 MPa 200,000 psi tensile strength steel)	0.63''	16 mm
Floor sheet - Center (1379 MPa 200,000 psi tensile strength steel)	0.75''	19 mm
Front sheet (1379 MPa 200,000 psi tensile strength steel)	0.39''	10 mm
Side sheet (1379 MPa 200,000 psi tensile strength steel)	0.31''	8 mm
Canopy sheet (690 MPa 100,000 psi tensile strength steel)	0.24''	6 mm
Capacity struck	121 yd³	93 m³
SAE heaped 2:1	165 yd³	126 m³
Standard Komatsu body weight	62,100 lb	28169 kg

System meets ISO 3450/1996.
Service brakes: all-hydraulic actuated.
Front:		Wheel speed disc. Three calipers on a 1213 mm / 47.75" O.D. disc
Rear		Dual disc armature speed. Two 635 mm / 25" O.D. discs per side. One caliper per disc.
Emergency brakes		Automatically applied prior to hydraulic system pressure dropping below level required to meet secondary stopping requirements.
Wheel brake locks		Switch-activated
Parking brakes		Spring-applied, hydraulically released, with speed application protection.
Electric dynamic retarder (max.)	3,200 hp / 2387 kW	Continuously rated high-density blown grids w/retard at engine idle and retard in reverse propulsion.

Radiator frontal area

50.1 ft²

4.65 m²

AC/DC current
Alternator		GTA-49
Dual impeller in-line blower	13,900 cfm	393 m³/min
Control		AC Torque Control System
Motorized wheels*		GEB35 Induction Traction Motors
Ratio		30.8:1
Speed (maximum)	40 mph	64.5 km/h
* Wheel motor application depends upon gross vehicle weight, haul road grade, haul road length, rolling resistance and other parameters. Komatsu and G.E. must analyze each job condition to assure proper application.

Alternator	24-volt	250 amp
Lighting		24 volt
Cranking motors		Two/24 volt

Make and model*		Komatsu SSDA16V159
Fuel		Diesel
Number of cylinders		16
Operating cycle		4 cycle
Gross horsepower** @ 1900 rpm	2,000 HP	1492 kW
Net flywheel power*** @ 1900 rpm	1,884 HP	1405 kW
* Optional Tier 4 emission compliant engine for North American market. Non-emissionized engine for markets outside of North America.
** Gross horsepower is the output of the engine as installed in this machine, at governed rpm and with engine manufacturer’s approved fuel setting. Accessory losses included are water pump, fuel pump and oil pump.
***Net flywheel power is the rated power at the engine flywheel minus the average accessory losses. Accessories include fan and charging alternator. Rating(s) represent net engine performance in accordance with SAE J1349 conditions.

Plate material	70,000 psi	482.6 mPa tensile strength steel
Casting material	90,000 psi	620.5 mPa tensile strength steel
Rail width	11.02''	280 mm
Rail depth (minimum)	31.38''	797 mm
Top and bottom plate thickness	1.26''	32 mm
Side plate thickness	0.75''	19 mm
Drive axle mounting		Pin and spherical bushing
Drive axle alignment		Swing link between frame and axle

Steering		Accumulator assisted with twin double acting cylinders provide constant rate steering. Secondary steering automatically supplied by accumulator.
Turning circle diameter (SAE)	89'	27.2 m
Reservoir	135 U.S. gal	511 L
Filtration		In-line replaceable elements
Suction		Single, full-flow, 100 mesh
Hoist and steering		Dual, in-line, high pressure
Brake component cabinet		Above deck, easily accessible with diagnostic test connections
Hoist		Two 3-stage dual-acting outboard cylinders, internal cushion valve, over-center dampening
Hoist times:
Power-up loaded		19 sec
Power-down		10.5 sec
Float--down empty		12 sec
Pumps:		Two pumps, single package, end of alternator
Hoist and brake cooling		Tandem gear pump with output of 666 lpm 176 gpm at 1900 rpm and 18961 kPa 2,500 psi
Steering and brake		Pressure-compensating piston pump with output of 254 lpm 67 gpm at 1900 rpm and 19134 kPa 2,775 psi
System relief pressures:
Hoist	2,500 psi	17237 kPa
Steering and brake	4,000 psi	27580 kPa

Cooling system	117 U.S. gal	441 L
Crankcase*	59 U.S. gal	223 L
Hydraulic system	210 U.S. gal	795 L
Motor gear box (each)	10 U.S. gal	38 L
Fuel	800 U.S. gal	3028 L
*Includes lube oil filters

Variable rate hydro-pneumatic with integral rebound control
Max. front stroke	12.28''	312 mm
Max. rear stroke	10.98''	279 mm
Max. rear axle oscillation		±5.3°

Rock service, tubeless, tires
Standard tire*		37.00 R57
Flange mount rim	686 mm x 1448 mm x 152 mm 27'' x 57'' x 6'' rim assembly.	Rims rated at 758 kPa 110 psi cold inflation pressure.
* Tires should meet application requirements for tkph/tmph, tread, compound, inflation pressure, ply rating or equivalent, etc.