Remanufactured from Weller, the Detroit DT12OB2CS transmission delivers overdrive performance with cooler-ready capability and single clutch reliability for heavy duty trucking applications. Built to OEM Detroit standards, this model offers 12 forward speeds, automated shifting technology, and a design focused on long-term durability. With enhanced cooling provisions, smoother gear changes, and reduced maintenance needs, the DT12OB2CS helps fleets improve efficiency, minimize downtime, and maintain dependable performance mile after mile.