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VT650 makes longwall coal face moves simpler and less costly

International Mining | November 12, 2008 | 7:36 am

Bucyrus says it has improved nonproductive longwall move time with the introduction of a Variable Frequency Drive (VFD) to its Vers-A-Trac® 650 model. Approximately 50 of these successful roof support carriers have been shipped since the product’s introduction in 2004....

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