Tectran AT065613 Motor Drives Speed Controller

The Tectran AT065613 is a 24 VDC Model IP Air Dryer assembly that serves as a direct OEM replacement for heavy-duty air-brake and pneumatic systems in commercial fleets. This kit includes the air dryer assembly, wiring harness, and mounting bracket, and is sometimes cataloged by distributors as a Motor Drives Speed Controller. Its primary function is to remove moisture and contaminants from the compressed air before it reaches pneumatic components, helping improve system reliability and extend the life of downstream parts. Interchange references include Bendix 065613 and Bendix 109478, and it is designed for use in commercial trucks, tractors, buses, and other heavy-duty transportation equipment.