The BD TowMaster Allison transmission is built for reliability and peace of mind. Designed for stock or mildly modified Duramax GM Trucks, the TowMaster increases durability with a modified valve body, increased clutch counts, and a modified pump. These modifications increase the transmissions torque holding capacity by over 80%! BD Allison 1000 transmissions also receive a BD Diesel Deep aluminum pan, for an additional 3.5 quarts of fluid, aiding in cooler transmission temps while towing. Every TowMaster Allison transmission package includes a ProForce torque converter.

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