4000 Series™ automatic transmissions

The proven reliability and durability of Allison fully automatic transmissions enables them to operate efficiently in challenging environments. The 4000 Series™ was specifically developed to meet the performance needs of heavy-duty vehicles that operate in demanding applications including construction, energy, mining and defense.

Powerful Ratings

The 4000 Series™ is ideal for heavy-duty vehicles that require substantial power and torque. It can accommodate engines with power ratings ranging from 380 to 800 horsepower (283-597 kW) and torque capacities up to 2,360 lb-ft (3,200 N·m).

Gear Ratios Optimized for Performance

4000 Series™ transmissions offer six or seven forward gears, depending on the model. Gear ratios are optimized to provide an ideal balance between vehicle performance and fuel efficiency.

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