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Komatsu Trucks 860E-1K

Komatsu Trucks 860E-1K

860E-1K Electric Drive Truck

The 860E-1K utilizes Komatsu Drive with Siemens AC control and liquid cooled Insulated Gate Bipolar Transistor (IGBT) inverter system for the highest available reliability. Hill Start allows the operator to start on a grade without roll back. Traction control assists the operator to power through wet sloppy underfoot condition. Oil cooled multi-disc brakes and retarder give the operator confidence in his control and stopping ability, especially when fully loaded. A front mounted elevating pantagraph can be mounted to allow the Komatsu Trucks 860E-1K to utilize electrified overhead trolley lines.

Engine
Make and model Komatsu SSDA16V160 Tier 2
Fuel Diesel
Number of cylinders 16
Operating cycle 4 cycle
Gross horsepower* @ 1900 rpm 2,700 HP 2014 kW
Net flywheel power** @ 1900 rpm 2,550 HP 1902 kW
Weight (wet) 21,182 lb 9608 kg
* 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.
Electric Drive
AC/DC CURRENT
Drive System* Komatsu AC Drive
Alternator DRLDZ5010-AL
Dual Fan Main Blower 14,800 cfm 419 m³/min
Control IGBT AC Torque Control System
Ratio 35.52:1
Speed (maximum) 40 mph 64.5 km/h
* Wheel motor drive system application 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.
Tires and Rims
Rock service, tubeless, radial tires:
Standard tire* 50/80 R57
Optional tire* 50/90 R57
Flange mount rim 34'' x 57'' x 6'' rim assembly 864 mm x 1448 mm x 152 mm rim assembly
Typical total tire weight 50,780 lb 23033 kg
* Tires should meet application requirements for tkph/tmph, tread, compound, inflation pressure, ply rating or equivalent, etc.
Body
All-welded steel flat floor body with horizontal bolsters and full canopy. Tapered body, body up sling and frame mounted rubber pads are standard. Heated body optional.
Floor sheet
200,000 psi / 1379 mPa tensile strength steel / Outer
0.63'' 16 mm
Floor sheet
200,000 psi / 1379 mPa tensile strength steel / Center
0.75'' 19 mm
Front sheet
200,000 psi / 1379 mPa tensile strength steel / Outer
0.39' 10 mm
Front sheet
200,000 psi / 1379 mPa tensile strength steel / Center
0.39' 10 mm
Side sheet
200,000 psi / 1379 mPa tensile strength steel
0.31'' 8 mm
Canopy sheet
100,000 psi / 690 mPa tensile strength steel
0.24'' 6 mm
Capacity struck 160 yd³ 122 m³
SAE heaped 2:1 221 yd³ 169 m³
Standard Komatsu body weight 74,171 lb 33643 kg
Cab
Advanced Operator Environment with isolation mounted, integral 4- post ROPS/FOPS Level 2 structure. Adjustable air suspension seat w/lumbar support, arm rests, and 3-point seat belt, full-size passenger seat, thermal insulation, tilt and telescoping steering wheel, electric windshield wipers w/washer, tinted safety glass, power windows, Komatsu Payload Weighing System, 61,000 Btu/hr heater and defroster, 19,900 Btu/hr air conditioning (HFC - 134A refrigerant).
Frame
Advanced technology, full butt-welded box sectional ladder-type frame with integral ROPS supports, integral front bumper, rear tubular cross members, steel castings at all critical stress transition zones, rugged continuous horsecollar.
Plate material
tensile strength steel
70,000 psi 482.6 mPa
Casting material
tensile strength steel
90,000 psi 620.5 mPa
Rail width 12'' 305 mm
Rail depth (minimum) 34'' 864 mm
Top and bottom plate thickness 1.57'' 40 mm
Side plate thickness / Rear 0.75'' 19 mm
Side plate thickness / Front 0.87'' 22 mm
Drive axle mounting Pin and spherical bushing
Drive axle alignment Swing link between frame and axle
Braking System
Max. service apply pressure 2,400 psi 16547 kPa
Total friction area per brake 11,693 in² 75439 cm²
Secondary brakes Automatically applied prior to hydraulic system pressure dropping below level required to meet secondary stopping requirements.
Wheel brake locks Switch activated
Parking brakes Multiple disc, spring-applied, hydraulically-released, 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 4,650 hp 3469 kW
Continuously rated high-density blown grids w/retard capacity at low speeds and retard in reverse propulsion.
Suspension
Variable rate hydro-pneumatic with integral rebound control
Max. front stroke 12.32'' 313 mm
Max. rear stroke 11.50'' 292 mm
Max. rear axle oscillation 10.4°
Cooling System
L&M radiator assembly, split-flow, with deaerator-type top tank.
Radiator frontal area 62.5 ft² 5.81 m²
Service Capacities
Cooling System 125 U.S. gal 473 L
Crankcase 74 U.S. gal 280 L
Hydraulic system 350 U.S. gal 1325 L
Motor gear box (each) 32 U.S. gal 121 L
Inverter cooling system 6.5 U.S. gal 25 L
Fuel 1,200 U.S. gal 4542 L
Reserve Oil® System 30 U.S. gal 114 L
Hydraulic System
Steering Accumulator assisted with twin double acting cylinders provide constant rate steering. Secondary steering automatically supplied by accumulator.
Turning circle diameter (SAE) 102' 31 m
Reservoir 250 U.S. gal 947 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 22 sec
Power-down (high idle) 13 sec
Float-down (low idle) 23 sec
Pumps Two pumps, single package, end of alternator
Hoist and brake cooling Tandem gear pump with output of 931 lpm / 246 gpm at 1900 rpm and 17237 kPa / 2,500 psi
Steering and brake Pressure-compensating piston pump with output of 246 lpm / 65 gpm at 1900 rpm and 18960 kPa / 2,750 psi
System relief pressures:
Hoist and brake cooling 2,500 psi 17237 kPa
Steering and brake 3,000 psi 20685 kPa
Quick disconnects standard for powering disabled truck and for systems diagnostics.
Electric System
4 x 8D 1450 CCA, 12 volt, in series/parallel, 220-ampere-hour batteries, bumper-mounted with disconnect switch.
Alternator 24 volt, 140 amp
Lighting 24 volt
Cranking motors Two/24 volt

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