13" TH400 Diesel / Tow Converter

13" TH 400 DIESEL/TOW CONVERTER

The Coan Racing COA‑20004 13″ TH400 Diesel/Tow Converter is a heavy-duty torque converter engineered specifically for the Turbo Hydramatic 400 transmission, delivering robust performance ideal for diesel engines and heavy towing applications. This unit is built to handle elevated torque demands, providing strong stall characteristics that optimize low-speed engagement while protecting the powertrain under load. Tailored for durability, the converter features reinforced internal components and Coan’s proven design, delivering reliable engagement and efficient torque transfer even under sustained strain. 

Ideal for heavy-duty street trucks, diesel rigs, or towing-focused builds, the COA‑20004 ensures dependable TH400 performance in demanding conditions.