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About Us

Founded in 1967 as Bell Detroit Diesel, Bell Power Systems has been one of the nation’s leading authorized distributors of John Deere diesel engines since 1989.  Bell has also been a leading distributor of Yanmar Industrial Diesel engines since 2005. Our sales territory covers the eastern United States from Maine to Virginia as far west as New York and Pennsylvania. In 2012 Bell Power Systems became a part of the Superior Diesel family of companies. Together, we specialize in providing value-added diesel engine packages, service parts, and drivetrain components to original equipment manufacturers and dealers for off highway equipment applications. 

At Bell Power, our mission is to provide not just engines but comprehensive solutions that empower your operations. With a focus on customization, integration, and sustainability, we continue to be a trusted partner in driving success across various industries.

Want information about our facility and surrounding areas? Click here.


Established as Bell Detroit Diesel, Inc. by A. Arnold Bell

• Distributor for GM Detroit Diesel engines and Allison transmissions
• AOR Connecticut and central Massachusetts
• Retail and wholesale parts and service were the core businesses

Opened Apparatus Services

• Sold new fire apparatus including Hahn, FMC, Grumman and Salisbury
• Complete service and rebuild
• Detroit Diesel/Allison repowers

Became Bell Power Systems, Inc.

• Sold off Detroit Diesel business
• Maintained Apparatus Services until market collapse
• Became Northeast distributor for John Deere engines
• Dedicated to wholesale value-added John Deere power units, gensets and machine repowers
• AOR expanded 2 times to include Maine to Eastern Maryland
• Introduced New England to John Deere Marine engines in 1990
• Engines were well received by Maine fishermen
• Became #1 marine distributor in North America

Moved operations to current location in Essex, CT

• Purchased Virginia and Eastern Maryland AOR
• Moved operations from Rocky Hill, CT as an improvement measure of a facility better suited for production and warehousing.
• Positioned the company for growth with the purchase of the Virginia and Eastern Maryland AOR

Signed distributor contract with Yanmar America

• Industrial engine distributor for same AOR as John Deere
• Expanded Yanmar AOR to Western NY and Pennsylvania 2008
• Grew Yanmar business in 2009 to include US military contract sales

Moved into new building

• 50,000 square feet
• Engineering department {6}
• Paint booth
• Dyno room
• 3 floors of engine storage

Bell Power was sold to Superior Diesel of Wisconsin

• 12,000 square foot addition
• Additional production and warehousing
• Streamlined production flow
• Added engineering resources
• Added Zenith Power Product spark ignited engines to our portfolio


• Established Product Managers and Lead Engineers for each engine product offering
• Established a specialized Marine group: project management, sales and engineering specializing in marine markets

Our Team

Parts Sales Department

Contact Parts Sales Department

Product Support / Service

Contact Product Support / Service

Warranty Administrator

Contact Warranty Administrator

Replacement Engine Sales

Contact Replacement Engine Sales

Area Sales Manager - VA/West VA and Funk Drivetrain Specialist

Contact Area Sales Manager - VA/West VA and Funk Drivetrain Specialist


Marine Sales and Marine Dealer Development

Contact Marine Sales and Marine Dealer Development

Manager of Marine Sales and Marketing

Contact Manager of Marine Sales and Marketing

Director of OEM Engine Seales and Marketing

Contact Director of OEM Engine Seales and Marketing

Director of Aftermarket Sales and Marketing

Contact Director of Aftermarket Sales and Marketing

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.