Cummins deploys first commercial hybrid ultra-class mining truck

What is said to be the world’s first commercial hybrid-electric ultra-class mining truck. Image: Cummins

The pilot marks Cummins’ first deployment of a retrofitted 300-ton Komatsu mining haul truck into daily operation using a retrofit hybrid solution powered by its First Mode technology.

Designed as a retrofit kit for existing ultra class mining haul truck fleets, the Cummins First Mode hybrid system integrates a Cummins QSK60 diesel engine with a modular, interchangeable high power electric battery system.

Regenerative braking captures energy generated during loaded downhill hauls and stores it onboard, while intelligent control software manages power flow between the engine and battery.

“As Cummins marks the one-year anniversary of acquiring First Mode, this milestone is the result of close collaboration between Cummins, Komatsu and Lundin Mining at the global and local levels,” said Molly Puga, general manager of First Mode.

The hybrid-electric ultra-class mining truck is operating under real haulage conditions at elevations exceeding 4,000 meters. At Caserones, the extreme conditions of the Andes and steep haul profiles are said to provide an ideal proving ground for regenerative energy capture and reliable performance in a demanding mining environment.

Cummins added that the pilot would inform future commercial hybrid solutions designed to achieve up to 30% fuel and emissions reductions.