Cummins engines are found in Ram trucks, but Allison transmissions are in GM's realm. Can you put an Allison transmission behind a Cummins engine?

This stage of the conversion process is far more complicated than the mechanical side of mating the Cummins engine to the Allison transmission to the Ford transfer case.

Allison Transmission has partnered with Cummins to test and validate the new Cummins X15N 15-liter natural gas engine paired with the Allison 4000 SeriesTM fully automatic transmission.

Exhaust: 4-inch exhaust built by Destroked.com Transmission: Allison 1000 six-speed automatic built by Destroked.com, Precision Industries torque converter, and Destroked.com stand-alone controller.

Allison Transmission has partnered with Cummins to test and validate the new Cummins X15N 15-liter natural gas engine paired with the Allison 4000 Series fully-automatic transmission.

Allison Transmission has partnered with Cummins to test and validate the new Cummins X15N 15-liter natural gas engine paired with the Allison 4000 Series fully automatic transmission.