5000/6000 Series
With up to six available forward speeds and up to two reverse speeds, Allison Transmission’s 5000 and 6000 Series are built for vehicles requiring up to 764 kW (1,025 hp). From oil field pumping, fracturing and service rigs to crash trucks, off-highway trucks and winch units on derricks and cranes, the 5000 and 6000 Series are built for productivity in any working condition. The 5000 and 6000 Series include features such as an optional hydraulic retarder, two Power Take-Off (PTO) provisions, an optional dropbox and a parking brake or provision for a customer-supplied parking brake.