Established in Northern Wisconsin in 1977, Superior Diesel supplies and engineers diesel engine and drivetrain power systems for off-highway equipment. The company is an authorized distributor of John Deere and Rehlko (formerly Kohler) engines and Funk drivetrain components, serving OEMs and dealers across a 33-state territory from facilities in Rhinelander and Seville. Its engineering team also designs application-specific power packages and tests them in-house, including on a dynamometer capable of handling units from 11 to 1,000 horsepower.
Stauffer Diesel IncFounded by Amos Stauffer in 1948 to serve Lancaster County dairy farmers, Stauffer Diesel has grown into a Pennsylvania-based distributor and service provider for industrial and marine diesel engines. The company keeps hundreds of new and replacement engines in stock while supporting them with repair, rebuilding, parts, and factory-trained field service. Its Stadco division also designs and manufactures custom generator sets and modular power packages for OEM applications.EPHRATA, PA
Engine Power IncEngine Power Inc. is an Oconomowoc-based regional distributor known for serving the professional users behind non-road equipment rather than retail customers. It supports OEMs and dealer networks with Kubota and Honda engines, helping customers select and service power sources across its territory. The company was named the 2023 Diesel Progress Summit’s Engine Distributor of the Year.REYNOLDSBURG, OH
Martin DieselSince 1954, Martin Diesel has grown from a trucking-industry repair shop into a Yanmar diesel engine and power-solutions company serving multiple industries. The company develops OEM solutions, repowers existing equipment, and partners with OEMs on U.S. military applications, with support spanning engineering design, parts repair, and technical service. Its leadership brings more than 35 years of diesel-engine industry expertise.DEFIANCE, OH
HooverTecFounded in 1974 by diesel mechanic Melvin Hoover, HooverTec has grown from a Terre Hill service business into a Lancaster County provider of engineered diesel engines, generators, parts, and field support. Now joined by Melvin’s four sons, the company draws on 50 years of experience to design, install, and maintain prime and standby power systems while supporting OEM equipment and off-grid operations. HooverTec is also a long-standing FPT/Iveco representative, with more than 25 years of brand experience and FPT-trained technicians.NEW HOLLAND, PA