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Komatsu 980E-4 ELECTRIC TRUCKS

Capacity	400
Horsepower	3,500 @1900 rpm
MaxGrossVehicleWeight	1378500

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Feature Parameter

Electric Dynamic Retarder

The 4476 kW 6,000 HP retarding system provides state of the art braking capacity for navigating today’s mining applications which contain steep continuous descents and sharp switchbacks. Continuous retarding capacity enhances the productivity of the vehicle operator, while eliminating the need for excessive mechanical braking effort.

Komatsu Designed Application Specific Body

Utilizing the required Body Worksheet (BW) process, Komatsu ensures that each body is designed to meet the requirements for each specific application while carrying its rated payload. Komatsu works with each customer to understand the material properties at a mine site and to identify the appropriate liner package.

KOMTRAX Plus^®

As part of a complete service and support program, Komatsu equips every mining and quarry sized machine with Komtrax Plus®. By using a satellite-based communication system, Komtrax Plus® offers a new vision of monitoring your valuable assets. By providing insight to critical operating metrics the user can manage increased availability, lower ownership and operating costs and maximize fuel efficiency.

Simple and Reliable Hydraulic System

The hydraulic system is a proven and reliable design with fewer parts than other OEMs. The system utilizes a single tank, providing one common source of fluid for steering, braking, and hoisting. In-line, replaceable filtration elements provide protection from hydraulic system contamination, making the system easier to service.

Structurally Enhanced Frame Design

By using advanced computer-aided design, finite element analysis, and full-scale static and dynamic testing, the frame has been designed to carry 363 metric tons 400 short tons and provides the high structural reliability Komatsu is known for.

Body

All-welded steel flat floor body with horizontal bolsters and full canopy. Rubber mounts on frame, eyebrow and body up sling are standard. Extended canopy and pivot exhaust heating are optional.

Braking System

Service brakes: Oil-cooled, hydraulic actuated, multiple disc brakes at each wheel.

Traction system		Wheel spin-slide control
Max. service apply pressure	18960 kPa	2,750 psi
Total friction area per brake	103729 cm²	16,078 in²
Auto apply system		Automatically applied prior to hydraulic system pressure dropping below level required secondary stopping requirements.
Secondary brake system		Complies with ISO-3450 Standards
Wheel brake lock		Switch activated
Parking brakes		Multiple disc, spring-applied, hydraulicallyreleased, dry brakes on inboard end of each wheel motor rotor shaft. Rated to hold on ±15% grade at maximum gross vehicle weight.
Electric dynamic retarder (max) - Continuous	4476 kW	6,000 hp

Continuously rated high-density blown grids w/retard capacity at low speeds and retard in reverse propulsion.

Cab

Advanced Operator Environment with integral 4-post ROPS/ FOPS Level 2 structure (ISO 3449), adjustable air suspension seat w/lumbar support and arm rests, full-size passenger seat, maximum R-value insulation, tilt and telescoping steering column, electric windshield wipers w/washer, tinted safety glass, power windows, Payload Meter IV, 55,000 Btu/hr heater and defroster, 21,600 Btu/hr air conditioning (HFC - 134A refrigerant)

Cooling System

Replaceable core radiator assembly, split-flow, with deaeratortype top tank

Electric Drive

AC/DC CURRENT
Alternator		GTA-39
Dual Fan Main Blower	340 m³/min	12,000 cfm
Control		AC Torque Control System
Motorized wheels*		GDY108-C Induction Traction Motors
Ratio		32.02:1
Speed (maximum)	61 km/h	38 mph

* Drive system performance depends upon gross vehicle weight, haul road grade, haul road length, rolling resistance and other parameters. Komatsu must analyze each job condition to assure proper application

Electric System

4 x 8D 1400 CCA, 12 volt, in series/parallel, 220 ampere-hour, bumper-mounted with disconnect switch & lock-out.

Engine

Make and model		Komatsu SSDA18V170
Fuel		Diesel
Number of cylinders		18
Operating cycle		4 cycle
Gross Horsepower* @ 1900 rpm	2610 kW	3,500 HP
Net flywheel power** @ 1900 rpm	2495 kW	3,346 HP
Weight (wet)	11750 kg	25,897 lbs
Weight (dry)	11250 kg	24,795 lbs
Optional: Tier 4 (TPEM) Engine Tier 4 (TPEM) Engine – Canada

* 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.

Frame

Advanced technology, full butt-welded box sectional laddertype frame with integral ROPS supports, integral front bumper, rear tubular cross members, steel castings at all critical stress transition zones, rugged continuous horsecollar.

Hydraulic System

Steering: Accumulator assisted with twin double acting cylinders provide constant rate steering. Secondary steering automatically supplied by accumulator.

Service Capacities

Cooling System	719 L	190 U.S. gal
Crankcase	341 L	90 U.S. gal
Hydraulic system	1325 L	350 U.S. gal
Motor gear box (each)	95 L	25 U.S. gal
Fuel tank	5300 L	1,400 U.S. gal

Suspension

Variable rate hydro-pneumatic with integral rebound control

Parameter

Floor sheet 1379 MPa / 200,000 psi tensile strength steel
Outer	16 mm	0.63''
Center	19 mm	0.75''
Front sheet 1379 MPa / 200,000 psi tensile strength steel
Outer	10 mm	0.39''
Center	12 mm	0.47"
Side sheet 1379 MPa / 200,000 psi tensile strength steel	10 mm	0.39''
Canopy sheet 690 MPa / 100,000 psi tensile strength steel	6 mm	0.24''
SAE heaped 2:1	250 m³	327 yd³
Standard Komatsu body weight	41731 kg	92,000 lb

Traction system		Wheel spin-slide control
Max. service apply pressure	18960 kPa	2,750 psi
Total friction area per brake	103729 cm²	16,078 in²
Auto apply system		Automatically applied prior to hydraulic system pressure dropping below level required secondary stopping requirements.
Secondary brake system		Complies with ISO-3450 Standards
Wheel brake lock		Switch activated
Parking brakes		Multiple disc, spring-applied, hydraulicallyreleased, dry brakes on inboard end of each wheel motor rotor shaft. Rated to hold on ±15% grade at maximum gross vehicle weight.
Electric dynamic retarder (max) - Continuous	4476 kW	6,000 hp

Radiator frontal area

7.02 m²

75.5 ft²

AC/DC CURRENT
Alternator		GTA-39
Dual Fan Main Blower	340 m³/min	12,000 cfm
Control		AC Torque Control System
Motorized wheels*		GDY108-C Induction Traction Motors
Ratio		32.02:1
Speed (maximum)	61 km/h	38 mph

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

Make and model		Komatsu SSDA18V170
Fuel		Diesel
Number of cylinders		18
Operating cycle		4 cycle
Gross Horsepower* @ 1900 rpm	2610 kW	3,500 HP
Net flywheel power** @ 1900 rpm	2495 kW	3,346 HP
Weight (wet)	11750 kg	25,897 lbs
Weight (dry)	11250 kg	24,795 lbs
Optional: Tier 4 (TPEM) Engine Tier 4 (TPEM) Engine – Canada

Plate material tensile strength steel	482.6 mPa	70,000 psi
Casting material tensile strength steel	620.5 mPa	90,000 psi
Rail width	305 mm	12''
Rail depth (minimum)	864 mm	34''
Top and bottom plate thickness	45 mm	1.77''
Side plate thickness:
Rear	25 mm	0.98''
Front	32 mm	1.26''
Drive axle mounting		Pin and spherical bushing
Drive axle alignment		Swing link between frame and axle

Turning circle diameter (SAE)	32 m	105'
Reservoir	947 L	250 U.S. gal
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		21 sec
Power-down (high idle)		16 sec
Float-down empty (low idle)		17sec
Pumps		Two pumps, single package, in-line
Hoist and brake cooling		Tandem gear pump with output of 931 lpm 246 gpm at 1900 rpm and 18960 kPa 2,750 psi
Steering and brake		Pressure-compensating piston pump with output of 246 lpm 65 gpm at 1900 rpm and 20685 kPa 3,000 psi
System relief pressures:
Hoist and brake cooling	17237 kPa	2,500 psi
Steering and brake	20685 kPa	3,000 psi

Cooling System	719 L	190 U.S. gal
Crankcase	341 L	90 U.S. gal
Hydraulic system	1325 L	350 U.S. gal
Motor gear box (each)	95 L	25 U.S. gal
Fuel tank	5300 L	1,400 U.S. gal

Max. front stroke	303 mm	11.92''
Max. rear stroke	239 mm	9.40''
Max. rear axle oscillation		±6.5°

Rock service, tubeless, radial tires
Standard tire*		59/80 R63
Flange mount, five piece rim (rim assembly)	1118 mm x 1600 mm x 140 mm	44'' x 63'' x 5.5''
Rims rated at 758 kPa 110 psi cold inflation pressure.
Typical total tire weight	32585 kg	71,838 lbs