Any Engine. Any Purpose. Endless Possibilities. Superior Diesel is a leading Value-Added Distributor of John Deere Diesel engines and Funk Drivetrain components for the Midwestern United States. We provide solutions for applications involving: - Generators - Water Pumps - OEM - Marine - Railway Maintenance - Forestry - & More! 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.