Cummins Archives - Transmission Digest
The Future of Heavy-Duty Truck Transmissions

Jason Morgan is the editor of Fleet Equipment (Transmission Digest’s sister publication). He recently wrote about the state of the heavy-duty transmission market as it pertains to fleet operators. He says that the automated manual transmission (AMT) and automatic transmission manufacturers are crushing assumptions and setting new expectations in all trucking industry applications. Automatic transmissions

Problem-Free Pickup, Now This: Why?

This month I’m addressing the common complaint of intermittent and erratic torque-converter clutch cycling between 45-60 mph experienced in Dodge Cummins Diesel pick-ups from years 1998-2003. After 60 mph, the issue seems to go away. This has been a well-documented problem over the years with many bulletins published from the manufacturer.