The standard transmission for the Cummins diesel-powered RAM 2500 is the Chrysler 68RFE automatic six-speed transmission that ...

For pickup truck owners, an Allison transmission can be a big upgrade over the stock unit. Many Ram trucks come with Cummins engines and 68RFE six-speed units made by Chrysler, and the 68RFE's ...

Wondering which Ram trucks have Aisin transmissions? Here's a quick guide to help you find out and understand why it matters.