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Komatsu 980E-4 ELECTRIC TRUCKS

Komatsu 980E-4 ELECTRIC TRUCKS

Capacity:
400
Horsepower:
3,500 @1900 rpm
MaxGrossVehicleWeight:
1378500
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Product Feature

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

Product 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

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