http://gmauthority.com/blog/gm/gm-transmissions/mnh/
GM 6-Speed 6T40 MNH Gen 3 Hydra-Matic Automatic Transmission
The Hydra-Matic 6T40 (production code MNH) is a six-speed automatic transmission produced by General Motors for use in front-wheel-drive vehicles with a transverse powertrain orientation. Developed in-house by General Motors, the Hydra-Matic 6T40 is part of the 6TXX family of transmissions that succeeded the 5TXX family. The 6T40 is a more robust version of GM’s 6T30 gearbox.
Specifically, the 6T40 MNH represents the third generation of the 6T40 family upgrade mainly aimed at improving fuel economy. The gearbox features changes to the line pressure control system, oil level control system, pump, and lubrication system.
결론은 6t40(보령1)의 개선형이 gen2고 다시 여기서 개선한 gen3...
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