DT-12 gearbox for ATS trucks all

DT-12 gearbox for ATS trucks - 12 speed gearbox adapted from DT-12 OA plus 3-stage retarder. Good fuel efficiency. Replaces the 13-speed Eaton standard gearbox. Works for: Cascadia, Lonestar, LT, Anthem, T-680, T-800 GTM mod, 389, 579, 49X, 57X, VNL, VNL 2018.