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

68RFE Transmission Issues: Common Problems and How to Fix Them The 68RFE transmission was introduced in 2007 with the Ram and Pickup Lines, having the benefit of modified internal components to handle increased torque and revised gear ratios for larger applications. Monster provides a wide variety of builds for this...

4L60E Transmission Common Problems Beginning in the late 90s and the early 2000s, GM began to phase in a new variant on the 4L60E, the 4L65E. This transmission introduced a new set of 5-pinion planetary gears as well as a newly improved and stronger output shaft. This gave the transmission...

4L80E Transmission Common Problems Despite its name, the 4L80E is not an upgrade to its GM counterparts. Introduced alongside the original 4L60 in the early 1990s, the 4L80E is designed for large trucks and is designed as a heavy-duty unit rather than a transmission for smaller cars or even some...

6R140 Transmission Issues: What Ford Owners Should Know Beginning in the mid-2010s, Ford introduced the 6R140 transmission, a significant advancement in their lineup. This transmission features a robust 6-speed automatic system designed to enhance performance and durability. Key improvements include using advanced materials and engineering techniques to create a stronger...