Torqmatic® Series

Allison Transmission’s Torqmatic® Series is a line of fully automatic transmissions specifically designed for the unique demands of city and suburban buses and tour coaches with engine ratings up to 410 kW (550 hp). With up to six forward speeds and one reverse, the Torqmatic® series is designed for easy, efficient operation. The Torqmatic® Series is equipped with an optional retarder, shallow and deep sump options and 5th Generation advanced electronic controls for optimized operation and prognostics capabilities.

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.

T260 T270 T280 T310 T325 T350 T375 T390
T425 T450 T525
Torqmatic® Series
List of applicable vocational applications
Transit + City Bus Coach

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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