Underground electric haulage comes full circle as Epiroc, ABB & Boliden announce battery trolley project at Kristineberg
There is a long underground trolley haul heritage in mining that really took shape at the Kiruna iron ore mine in Sweden in the 1950s after which the Kiruna Trucks are named, then continued at sites like Zinkgruvan, also in Sweden, and which can also be seen in the industry with the trolley trucks still operating at Vale’s Coleman and Creighton nickel mines in Canada. These were mainly 50 t class trucks. The Kiruna Trucks are electric trolley trucks – originally a DC design which was later converted to AC…
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