The 4L60E (and similar 4L65E) is a series of automatic transmissions from General Motors. Designed for longitudinal engine configurations, the series includes 4 forward gears and 1 reverse gear.

GM 4L60E automatic transmission specifications, gear ratios, model year changes, application information, and additional details on the long-lived transmission platform. Includes information on …

Nov 18, 2025 · The 4L60E is a 4 speed automatic electronically controlled transmission that is used widely across GM platforms, particularly on virtually all rear wheel drive applications. Due to its …

Oct 17, 2025 · The Performance Automatic Transmission is a GM 4L60E designed for 1999-2007 GM 4WD trucks with LS-series engines. It is dyno tested and features a 13-pin wiring harness connector.

Dec 17, 2025 · Master builder Frank reveals the truth about 4L60E transmissions—common failures, proven upgrades, and how to build one that handles 600+ horsepower. Real shop wisdom, no BS.

Aug 9, 2025 · Looking to upgrade your vehicle’s transmission or need a replacement for your worn-out gearbox? The 4L60E has become one of the most popular choices for transmission swaps thanks to …

Known for its durability and versatility, it is a common choice for both everyday drivers and performance enthusiasts. This article explores the compatibility of the 4L60E transmission, potential upgrades, …

The 4L60E is one of the most widely used automatic transmissions GM ever produced. Found in millions of trucks, SUVs, and vans, it powered everything from half-ton pickups to daily-driven family vehicles.

It was released in 1996 behind the 4.3L V6 engine. It was released more broadly against the V8 engines in 1997 and was phased into full implementation at GM by 1998 in both RWD car platforms and …

Nov 13, 2024 · Why the 4L60E Needs Upgrades The 4L60E’s design dates back to the early ‘90s, based on the TH700R4. It was great for its time, offering electronic controls and smoother shifts, but …