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GM Authority10y
GM 6-Speed 6T40 MH8/MHB Hydra-Matic Automatic Transmission
Information about GM's 6-speed 6T40 MH8/MHB Hydra-Matic transmission, including details, specifications, vehicle applications, and more.
GM Authority10y
GM 6-Speed 6T40 MHH Transmission Info, Specs, Wiki | GM Authority
Information about GM's 6-speed 6T40 MHH Hydra-Matic eAssist transmission, including details, specifications, vehicle applications, and more.