"The Most Complete Allison Transmission On The Market"

Get your Allison transmission built by our professionals and install it yourself.

Get your Allison transmission installed by our professionals at one of 2 locations:

B&S Diesel - Cambridge City, Indiana

Day's Diesel - Franklin, Ohio

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More information about upgrading your transmission.

Find what you need to upgrade your vehicle.

Build your own transmission with the parts we trust.

Transmissions that are ready to go.