4000 Series

Allison Transmission’s 4000 Series is designed to make heavy-duty vehicles operate smoothly and efficiently. With close or wide ratio gearing and up to seven speeds available including two overdrive ratios and a second reverse gear, Allison’s 4000 Series is built for productivity and reliability. Ratings up to a maximum of 597 kW (800 hp) are offered. An engine-driven Power Take-Off (PTO) provision and integral output retarder that provides enhanced vehicle braking and reduces brake wear are optional. Allison’s 4000 Series includes 5th Generation advanced electronic controls enhance operation and prognostics capabilities. The 4000 Series delivers both performance and fuel efficiency.

Ratings and Specs

Allison offers several model choices, giving you ultimate control over selecting the features and power you need for your fleet. See the grid below to compare all of our transmission models and find the one that best meets your business needs.

4000 4500 4700

Need help choosing the right transmission?

We design, engineer and manufacture our transmissions specifically for a range of vocational applications. If you need help deciding which transmission will fit your vehicle, or if you have questions, click below to contact an Allison representative.

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