Superior Diesel is a leading full service value-added distributor of John Deere industrial and marine diesel engines, Kohler industrial diesel engines, Zenith spark-ignited industrial engines, and Funk drivetrain components.


John Deere Power


Funk Drivetrain Components


Kohler Engines


Zenith Power Products


We provide solutions for applications involving:

  • Generators
  • Water Pumps
  • OEM
  • Marine
  • Railway Maintenance
  • Forestry
  • & More!

Our diesel engine applications include generators, water pumps, OEM, marine, railway maintenance, and forestry. Our professional staff is ready to assist you with your drivetrain and diesel engine requirements in whatever market you serve. Our skilled engineers can custom design products to fit your specific application needs and our production team is experienced and well versed in application and assembly.


The company is headquartered in Rhinelander, Wisconsin with an additional full service facility located in Seville, Ohio