GM's Hydra-Matic 6L80 Six Speed Automatic Delivers Balanced Performance, Economy for Full-Size SUV's
GM's Hydra-Matic 6L80 Six Speed Automatic Delivers Balanced Performance, Economy for Full-Size SUV'sFebruary 27, 2006TOLEDO, Ohio - A new GM Hydra-Matic 6L80 rear-wheel drive six-speed electronically controlled automatic transmission designed for the performance requirements of trucks debuts in GM's 2007 full-size SUVs. It is one of the most technologically advanced transmissions in the industry, featuring clutch-to-clutch operation, manual range selection and an integrated 32-bit electro-hydraulic controller.