Mack Boring & Parts Company

Reliable Power. Everywhere.
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Welcome to Mack Boring & Parts Co. For over 90 years, we have been a reliable, industry-leading supply chain partner for diesel and related products. Discover how we can optimize your power and propulsion systems and processes.

» Recreational Marine
Mack Boring exclusively provides Yanmar for sail and powerboats. Yanmar is #1 for 9-900 hp recreational marine diesel. Click here for more info.

» Commercial Marine
We supply light-to-heavy-duty commercial marine engines from 75-2150 hp. Excellent availability, durable engines and Mack Boring support is a winning formula. Click here for more info.

» Transmission
Our Marine Transmission Center offers the finest transmission and propulsion products. Premium brands like ZF, Velvet Drive, and Aquadrive - backed by Mack Boring service and support is a winning combination.

» Industrial
If you seek industrial diesel engines and power units from 5-520 hp, you’ve come to the right place. We build basic and custom power packs and provide repower diesels. Click here for more info.

» Generators
Mack Boring manufactures GLOBAL POWER PRODUCTS® diesel generators in open frame and enclosed packages from 8-100kW. Learn more about GPP diesel generators.

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