Whereas the majority of electric construction equipment launches to date have concentrated on compact equipment, Caterpillar is going bigger at Bauma

Caterpillar recently revealed four new prototype battery-powered machines at its Executive Sustainability Forum, some of which will be on display at the world's biggest construction trade show later this month.

The four models are: The 301.9 electric compact excavator, the 950 GC medium electric wheel loader, and the 320 medium electric excavator.

Volvo Construction Equipment also revealed earlier this year that it was testing an electric version of its 24-ton EC320 excavator.

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