Atlantic Detroit Diesel-Allison (Middletown, CT) on TruckDown

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Atlantic Detroit Diesel-Allison
300 Smith Street
Middletown, CT
Phone: Click to Show
After Hours: Click to Show


Authorized Distributor for Detroit Diesel and Mercedes-Benz engines, Allison Transmissions and Webasto, providing complete parts and service support.

Atlantic Detroit Diesel-Allison is able to provide the end-users of those leading brands with premier service, up-to-date technical support and genuine parts for the represented products used in their vehicles and equipment. With seven service locations in our area of operation, we serve a wide range of customers directly and indirectly through a network of authorized dealers.


Services & Amenities Offered:

  • Mobile Repair Service
  • Truck Repair Shop
  • DPF Filter Clean / Replace
  • Welding
  • Transmission & Drive Line
  • Secure Vehicle Storage
  • Trailer Refrigeration Repair
  • Radiator & Cooling
  • Part Supplier
  • Liftgates
  • Hydraulics
  • Engine
  • Electrical
  • Diesel Engine Emissions Testing
  • Bus Repairs
  • Air Conditioning

Dealer Networks:

  • WheelTime
  • Mercedes-Benz
  • Detroit Diesel
  • Allison