Atlantic Detroit Diesel-Allison is an authorized, value-added distributor of premium-branded diesel and alternative fuel engines, transmissions, and related products, systems, and components used in vehicles and power systems. ADDA and its predecessors have been in operation since the mid-1950s.
Atlantic Detroit Diesel-Allison was acquired by Stewart & Stevenson LLC from Detroit Diesel Corporation, a subsidiary of Daimler Trucks North America, in August of 2013 but continued to use Atlantic Detroit Diesel-Allison and Atlantic Power Systems as trade names. Stewart & Stevenson LLC was acquired by Kirby Corporation in September of 2017.
Primary end markets include on-highway vehicles (medium- and heavy-duty trucks, coaches, transit buses, school buses, fire, emergency and other specialty commercial vehicles) and off-highway equipment (power generation, commercial marine, construction and industrial applications).
Atlantic Detroit Diesel-Allison and its predecessors have been doing business for over 65 years:
Remember the customer is why we are here; always treat them in a professional manner.
Provide expert service by factory certified technicians, using only factory parts.
Resolve customer problems promptly.
Constantly strive for perfection to meet our customer’s needs.
Provide the best working conditions for our employees, where safety is paramount, creativity is encouraged, and dedication is rewarded.
Treat our employees with the respect they have earned.
Never forget any of the above.