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New Cat MD6420C rotary drill

One of the main attractions at Caterpillar's MINExpo display was the Cat MD6420C drill

Staff reporter

The Cat MD6420C rotary drill is designed for hard- and soft-rock applications. With a bit load force of up to 42,000kg (92,594lb) and the ability to drill holes up to 311mm (12.25in) in diameter and down...

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