Monster Transmission Blog: Transmission Tech, Upgrades & How-To Content

4L80E Transmission: Everything You Need to Know Before Buying The 4L80E transmission is one of the most durable and versatile automatic transmissions ever built by General Motors. Designed for heavy-duty applications, this electronically controlled, four-speed automatic has become a favorite among truck owners, performance enthusiasts, and racers alike. Whether you're...

Common TH400 Transmission Issues and How to Fix Them 1. Slipping Gears If your TH400 transmission is slipping, it means the gears are not engaging properly, resulting in power loss and inconsistent acceleration. Slipping is usually caused by worn clutch packs, low transmission fluid, or internal pressure issues. Symptoms: The...

Common 68RFE Transmission Problems and How to Fix Them The 68RFE transmission is a six-speed automatic transmission found in Dodge Ram 2500 and 3500 trucks equipped with the 6.7L Cummins diesel engine. While it was designed to handle heavy loads and high torque, it has gained a reputation for premature failures,...

How to Extend the Life of Your 68RFE Transmission: Maintenance Tips You Need to Know The 68RFE automatic transmission, found in Dodge Ram 2500 and 3500 trucks equipped with the 6.7L Cummins engine, is a heavy-duty six-speed transmission designed for towing, off-road use, and daily driving. However, if not properly maintained,...