Full Name: Dongfeng DT1420 14-Speed Manual Transmission（Heavy-Duty, 2x4x2 Structure）

Speed: 14-speed Manual (14 forward, 1 reverse)

Fit For: 25–40T heavy trucks, tractors, long-haul logistics vehicles, 380–460hp commercial vehicles (matching Dongfeng DDi11/DDi13, Renault Dci11 series engines)

Vehicle Brand Fitment: Dongfeng (Tianlong, Tianlong 启航版), Foton Auman, Shacman, Beiben Trucks