Allison Transmission’s 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.

This is a very solid unit that, except for updates, has been in service since the 1960s.
They can be used in the following applications:

Oil & Gas
Well Service
Fracking/Fracking Equipment
Coil Tubing
Workover Rigs
Pulling Units
Drilling Rigs
Stimulation
Acidizing
Cementing
Mud Pumps
Pumping
Construction
Dirt Work
Compactors

Diesel Mechanical Winches
Farm Tractors
Material Handling
Conductor Drilling
Cellar Drilling
Foundation Piling Rigs
Marine Winches
Augers
Trucks
Pressure Diggers
Trenchers/Trenching Equipment
Airport Crash Trucks
Airport Material Handling Vehicles
Cranes
Forklifts

Military Vehicles
Scrapers
Rubber Tire Tractors
Rollers
Locomotive & Rail Equipment
Ditchers & Earth Augers
Crawler Tractor & Track-Laying Vehicle
Power Unit Applications
Bottom Dumps
Highway Trucks
Off-Highway Trucks
Mining Equipment
Motor Graders
Logging Equipment
Custom Applications

As the decades roll by and the horsepower levels keep climbing, this model has been extremely durable. Allison has gone to steel components in strategic places and added more clutches here and there. The bottom line is they are that tough. If you are upgrading the engine, please let us beef up the transmission as well. The Torque Converter ratio is matched to your power level. When you change the power level, the ratio normally must be changed. The older models had lower power levels as well. Installing a newer model engine will shorten the life (duty cycle) of the older lower rated transmission.

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