The Endurant HD V transmission from Eaton Cummins Automated Transmission Technologiesis designed for vocational truck applications with maximum gross combination weight ratings of 70,000 lbs. using 9L, 11L, and Cummins X10" engines. the transmission has an extreme duty clutch for low-speed maneuvering, a rock free feature, an off-highway mode that tunes the transmission of changing soil conditions, and dual power takeoff (PTO) openings for hydraulic systems. The HD V also has a start aid feature for hills and a secondary configuration mode to allow drivers to toggle between two performance goals.