XCMG, Cummins build electric excavator prototype

Beautiful’ 3.5t model being refined for production can run eight-hour shift on six-hour charge

Chinese equipment major, XCMG, and global engine and power products specialist, Cummins, have come together to design and build a 3.5t electric excavator to serve as a technology demonstrator and a possible future equipment solution.

The new electric excavator is suitable for operating on job-sites in densely populated towns and cities around the globe, surpassing stringent emissions requirements and keeping noise to a minimum while getting the job done, said a statement from Cummins. The machine debuted at ConExpo earlier this year and won the most beautiful machine award at the show.

Powered by Cummins’ BM5.7E battery modules, the excavator has 45kWh of battery power. Each battery module is designed for very high shock and vibration capability to endure the harsh conditions of the construction environment, said Cummins, adding that precise matching between motor and hydraulic system creates an efficient, reliable and quiet drive system, making it ideal for use in urban and suburban construction.

The excavator can meet the operational needs of a full eight-hour shift on a single charge of less than six hours, said Cummins. The short charge time means that equipment can be charged overnight, eliminating downtime and taking advantage of off-peak energy savings.

Cummins, along with XCMG, the fourth largest construction machinery company in the world according to current rankings, will now conduct a series of performance and customer tests with the machine in China to prove its capability and refine it as a robust solution for the market.

This project is part of Cummins’ and XCMG’s agreement to collaborate on research, development and integration of technologies across a wide range of product lines.

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