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Komatsu giving CM more power

Joy 12HM46 continuous miner gets an upgrade.

Donna Schmidt
The Joy 12HM46. Photo: Komatsu

The Joy 12HM46. Photo: Komatsu

The company told Mining Magazine that the 12HM46's cutter head will offer 50% more cutting power than the first-generation unit. It is eyeing a new gearcase as a potential upgrade to the unit. The CM,...

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