The Largest Dump Truck In The World

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Published Feb 26, 2016

http://www.belaz.by/en
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The BelAZ 75710 is an ultra-class haul truck by Belarusian manufacturer BelAZ. At 500 short tons, it is the world's largest, highest payload capacity haul truck. The BelAz 75710 has a conventional two-axle setup, but with dualled wheels (like a scaled-up International Payhauler 350), hence it needs eight 59/80 R63 tyres. Unusually, it has four-wheel drive and four-wheel hydraulic steering. The turning radius is claimed to be 20 metres.

The 75710 can carry a 450 tonne (500 short tons) load. The empty weight is 360 tonnes - much more heavily built than the previous model, which was 240 tonnes. It is 20.6 metres long, 8.16 metres high, and 9.87 metres wide. The bed is relatively shallow, limiting the volume of material that can be carried.

Instead of a single engine, the Siemens MMT 500 drive system (with AC/AC diesel-electric transmission based on the ELFA inverters) is powered by two 65-litre 16-cylinder diesel engines, each with 2300 horsepower. 2 engines working together give a power of 4,600 hp. This, in addition to the shallow bed, dualled tyres, and very heavy empty weight, has led to concerns about operating efficiency.

Fuel consumption (according to company data) is 198 g/kWh per engine, with option to run on only one if carrying less than capacity loads. Maximum speed is 64 km/h, and economy maximum speed (when fully loaded and on a 10% gradient) is 40 km/h