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

Why the 6R140 Transmission Is Built for Ford’s Hardest Working Trucks If you drive a Ford Super Duty truck, chances are you rely on it for more than just commuting. Whether you're towing a trailer, hauling equipment, or managing a fleet of work trucks, the 6R140 transmission is the unsung...

TH350 vs. TH400: Which Transmission is Right for Your Build? When it comes to building or upgrading your vehicle, one of the most important decisions you’ll encounter is which transmission to choose. For many enthusiasts, the choice often comes down to two incredible options from General Motors: the TH350 and...

A518 Transmission: History, Common Problems, and Replacement Options The A518 transmission, also known as the 46RH/46RE, is a classic automatic overdrive transmission found in Dodge trucks and vans throughout the late 1980s and early 2000s. While it was a solid workhorse at the time, many owners have encountered issues as...

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...