Founded in 1977 in Northern Wisconsin, Superior Diesel has grown to become one of the largest and most capable providers of engine power solutions for off-highway equipment in North America.

Our formula for success is simple

  • Product expertise in a broad range of customer applications
  • Engine products that are world class quality
  • Outstanding front end technical services
  • Comprehensive product solutions and packaged power units
  • Engine / machinery integration
  • Performance certified trim components
  • Flexible lead times and inventory
  • Outstanding after sale field service and support

Superior Diesel is currently operating in a 19 state region throughout the Midwest, Northeast, and Atlantic coast regions of the United States. Our products and services are provided from our industry leading facilities in Rhinelander, Wisconsin; Seville, Ohio; and through our wholly owned subsidiary, Bell Power Systems in Essex, Connecticut.