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DEVELOPMENT: 111-TONNE eDUMPER

A fully laden Komatsu eDumper from Kuhn Switzerland AG can transport 65 tonnes of lime and marl from the high-elevation extraction area to the permanently installed transport system below. The energy stored in the batteries from Lithium Storage GmbH is used for the unladen leg uphill and the surplus is fed into the electricity grid. This development is based on the experience and the building of electrified trucks.

Construction serves as the basis for the development, construction and marketing of electrified 100 - 200 tonne construction machines.

THE INTERACTION OF PROPULSION, STORAGE AND ENERGY RECOVERY

The technical mapping of the enormous torques represents a major challenge.

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Electric motors deliver torques of thousands of newton metres (Nm) and a far higher range of speeds than conventional engines. In terms of the energy requirement, the numerous accessory drive systems (e.g. hydraulic pumps, cooling systems) must also be considered. Extremely high charging currents are produced by the kinetic energy recovery system. These are the main features of eDumper no. 1:

The world's largest electric vehicle

CO2-free transport

Plus Energy vehicle

The largest battery installed in a vehicle

No wearing parts – no maintenance costs

Low noise emissions

Made in Switzerland

The orders for more large vehicles are ready to be signed at the beginning of 2018.
Per vehicle:

0
kW/h accumulator
0
tonnes CO2 reductions year
0
litres of diesel saved per year
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