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This transmission is part of the Turbo-Hydramatic series and also know by: TH400, TH-400, 3L80, TH475, THM375, M40, THM400, THM-400, 3L80HD, ST400, ST-400. TH400 Rebuild Kit TH-400 Master Overhaul Banner Box Set Automatic Transmission 3L80 GM ...
Duramax 6600, First Look See the new Duramax diesel engine and Allison transmission.Duramax 6600, The New GM Diesel Trucks Our "Ride & Drive" impressions of the new Duramax diesel trucks. October 1999.Power Specifications for the Duramax 6600 12/14/99...