At Palmer Johnson Power Systems, we service and sell components for heavy-duty transmissions and axles in numerous off-highway equipment applications. Our expertise and products span a broad range of markets and industries including:


Palmer Johnson Power Systems has a depth of knowledge like no other distributor. We've provided application and service support to the marine industry for over 40 years. We offer our customers valuable solutions from the Midwest to the West Coast.

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Oil & Gas

Palmer Johnson Power Systems is an authorized distributor for Twin Disc, Eaton Airflex, Wichita Clutch, Rexroth and many other quality products used in the Oil & Gas Industry. We have an extensive parts & unit inventory, provide applications support, service, repairs, remanufacturing and field service.

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Engine Packaging & OEM

Our team partners with OEM’s and Engine Dealers to streamline the application process beginning at prototype and throughout the equipment production life-cycle. We are experienced at assisting OEM’s in planning for future product inventory demands and service planning

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Palmer Johnson Power Systems is an authorized distributor for Twin Disc, Eaton Airflex, Dana Spicer, Kessler, Wichita Clutch, Funk, TDI and many other quality products used in equipment such as: crushers, haul trucks, shovels, and loaders for the Mining Industry. We have an extensive parts & unit inventory as well as provide applications support, service, repairs, remanufacturing and field service.

Construction & Aerial Work Platforms

Palmer Johnson Power Systems provides quick and cost effective AWP service. From replacement parts to rebuilt exchange units, Palmer Johnson has the quick and cost effective solutions you are looking for.


Palmer Johnson Power Systems has experts to supply you with the parts and service to keep your fleet up and running. Whether it's during office hours or not, our experts are ready to assist.

Maintenance of Way

Palmer Johnson Power Systems is an authorized distributor for Twin Disc, AxleTech, Funk Manufacturing, Murphy/Ennovation Controls, Cotta, Durst, Dana Spicer and ZF transmissions, pump drives, and axles used in maintenance-of-way equipment. We have an extensive parts & unit inventory, provide applications support, service, repairs, remanufacturing and field service.

International Part Sales

Palmer Johnson Power Systems is committed to supporting customers around the world. Our dedicated staff can assist in supplying you the parts to locations around the world.