Hyundai and Cummins develop electric powered mini excavator

Powered by Cummins battery modules, the 3.5-ton excavator is designed to operate for a full eight-hour shift and charge in under three hours

Electric, Mini, Excavator, Hyundai, Cummins

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Cummins Inc and Hyundai Construction Equipment (HCE) have jointly developed an electric powered mini excavator. Powered by Cummins BM4.4E flexible battery modules (4.4 kWh each), the 3.5-ton excavator is designed to operate for a full eight-hour shift and charge in under three hours. The machine eliminates all gaseous emissions and substantially reduces noise, making it suitable for urban and sub-urban construction.

The excavator contains eight BM4.4E modules connected together in a series string to provide a total energy of 35.2 kWh. Mounted in the base of the excavator, the Cummins-designed and built battery modules utilize Li-ion technology to achieve a higher energy density and proprietary control technology to maintain the battery state-of-charge for a longer zero emission range. The modular design allows the system to be built up and aligned to the duty cycle of the excavator.

D. S. Kim, senior executive vice president & CTO, HCE, said: "As electric vehicles continue to expand their share in the automotive market, we are simultaneously seeing the electrification of commercial power systems being pursued by many as both an environmentally friendly and economically sustainable solution for construction equipment. HCE anticipates mini excavators, which operate in urban workplaces close to residential areas, will be a prime candidate to electrify to meet zero-emission and low noise requirements in the near future."

Julie Furber, executive director – electrified power, Cummins, said: “This electric powered mini excavator is an exciting celebration of the future of electrified construction equipment, combining the strengths of HCE’s versatile excavator with Cummins’ lithium ion battery solutions and machine integration expertise. Cummins is committed to pioneering the future of electrified power, and we look forward to continuing to partner with companies like HCE to design and test the industry’s latest technologies.”

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