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.

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Jan 6, 2026 · GM didn’t start from scratch with the 4L60E. It grafted electronic controls onto the same core layout used in the 700R4. That means the hard parts, planetaries, drums, bands, and shafts, …

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.

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 …

Feb 18, 2026 · The 4L60E brought GM into the electronic era of transmissions, replacing hydraulic controls with computer-driven precision. Its design struck the perfect balance between everyday …

Here you'll find information to help you with Proper 4L60E Transmission identification, as well as specs, gearing RPO Codes and more.