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Contractors World

Contractors World - INTERNATIONAL
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Contractors World INTERNATIONAL - 2016 Vol 7 No 5

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What's New In Plant & Equipment

Komatsu’s largest-ever haul truck

Komatsu Australia has announced the release of the 980E-4 electric-drive haul truck – its largest-ever – with a payload capacity of 363 tonnes (400 US tons).

Komatsu Australia has announced the release of the 980E-4 electric-drive haul truck – its largest-ever – with a payload capacity of 363 tonnes (400 US tons).

Power for the 980E-4 comes from a Komatsu SSDA18V170 Tier 2 engine, rated at 2611 kW which in combination with its GE Mining dual IGBT electric drive system provides a top speed of 60 km/h.
According to Scott Harrington, Komatsu Australia’s National Product Manager, Mining, this engine provides one of the lowest brake-specific fuel consumption (BSFC) in this truck class.

Applications for this truck include iron ore, coal and other resources requiring bulk material movement when matched to large loading tools, to deliver the lowest possible cost-per-tonne.

As with other trucks in Komatsu’s ultra class electric drive haul trucks range, the 980E-4 was designed, developed and manufactured by Komatsu America Corp at its Peoria operation in Illinois for customers around the world.

Harrington said:

Komatsu was the first to introduce AC drive systems for ultra-class mining trucks in 1996, and has ever since continued to demonstrate to our customers in Australia and globally the incomparable performance and reliability that Komatsu trucks provide.
     The 980E-4 is based on the proven high quality Komatsu design that will deliver exceptional productivity and outstanding availability over the whole life of the asset, to provide our customers with the lowest cost per tonnage haulage option.

A number of major components on the 980E-4 are common to Komatsu’s successful and well proven 960E-2 truck. These include the engine, radiator, alternator, retarder and cab.

Other key components have been developed specifically for the new 980E-4, engineered to meet the demands of its 363 tonne rated payload.

These major component changes include larger wheel motors and hydraulic components.
The new GDY108C wheel motors, based on GE Mining’s proven GDY108B design, are longer to accommodate the 980E-4’s 44 inch rims and incorporate a number of gearing and bearing design changes.

Hoist cylinders, steering cylinders and suspension cylinders have all increased in capacity, ensuring that with these trucks can maintain a known rated hydraulic system pressure and Komatsu component design life targets.

Brief specs of the 980E-4 are: Payload, 363 tonnes (400 US tons); fully loaded weigth, 625 tonnes (689 US tons); body capacity, by design; engine, Komatsu SSDA18V170 QSK78 rated at 2611 kW; maximum loaded speed, 60km/h; braking system, 4476 kW electric dynamic retarder plus wet disc brakes front and rear; tyre size, 59/80R63(standard); overall height, 8 m.

Komatsu Austalia

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