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.
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Superior Diesel originates as a division of Ison Equipment in Monico, Wisconsin. Ison is the John Deere Construction and Forestry dealer and became the engine distributor for Wisconsin, Michigan, Northern Illinois, and Northwest Indiana.
Superior Diesel, Inc. changes ownership to become a stand-alone entity independent from Ison Equipment and relocates operations to North Stevens Street in Rhinelander, Wisconsin.
Superior Diesel adds John Deere’s Funk branded pump drives to its product offering.
Superior Diesel completes construction and relocates to a new, larger 49,000 SQFT facility on Fox Ranch Road, in Rhinelander, Wisconsin.
Superior Diesel acquires Heartland Engine Company of Medina OH, adding a full service facility and additional John Deere Power Systems distribution territory to include Ohio, Eastern Indiana, Kentucky, Western New York, Western Pennsylvania, and West Virginia.
Superior Diesel adds the full Funk Drivetrain line to its product offering including axles, transmissions, and planetary gear drives.
Superior Diesel relocates its Ohio operations to a new, larger 40,000 SQFT facility on Greenwich Road in Seville, Ohio
Superior Diesel acquires Bell Power Systems of Essex CT, adding a 50,000 SQFT full service facility and additional John Deere Power Systems and Yanmar distribution territory to include Eastern New York, Eastern Pennsylvania, Maine, Vermont, New Hampshire, Massachusetts, Connecticut, Rhode Island, New Jersey, Maryland, Delaware, and Virginia.
Superior Diesel adds the Kohler Diesel engine line to its product offering with a 19 state distribution territory in the Midwestern and Eastern United States.
Superior Diesel completes a 12,000 SQFT expansion to its Essex, Connecticut (Bell Power Systems) facility. The expansion provides additional space for production, material storage, engineering services, and product testing.
Superior Diesel adds the Zenith Power Products line of spark-ignited engines to its product offering.
Superior Diesel completes a 50,000 SQFT expansion to its Rhinelander, WI facility, doubling the size. The expansion provides additional space for production, material storage, and product testing.
Parts Sales Department
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Product Support/Service Team
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Replacement Engine Team
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(Option 2, Option 2)
Contact Warranty Administrator
Order Fulfillment Coordinator
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(Option 2, Option 2)
Regional Sales Manager North
(WI, MI, WEST IL)
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Regional Sales Manager South
(EAST IL, IN, OH, KY, WV, WEST PA, WEST NY)
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Marine Engine Sales and Marine Dealer Development
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(Option 3, Option 2)
Funk Drivetrain Product Manager & Dealer Development
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Marine Market Manager
OEM Industrial Engine Market Manager
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Vice President Sales & Marketing
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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.CONTACT US NOW!