Mack Boring & Parts Company


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News & Press

4/25/2008 - Jim Blaney Joins Mack Boring's MTC
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World Class Service

Service after the sale is what has separated Mack Boring from the competition for over 85 years.
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Transmission Specifications

To find current specifications for ZF Marine/ Hurth Marine Gears or Velvet Drive Transmissions please click on the respective logo below.  Once at the manufacturer’s specification page, please follow instructions to obtain the most up-to-date specs.



















(Now ZF-Hurth Marine)