Science Fair Project Encyclopedia
GM GMT platform
Although it may not appear updated much in name, the GMT360, debuting in 2002 with the Oldsmobile Bravada, was an entirely new vehicle architecture from the GMT330 it replaced. It used hydroformed frame rails like the larger GMT800, and was built for GM's Atlas straight engines. The GMT360 (and long-wheelbase GMT370) went on to be one of the most badge-engineered GM products with six different marques represented.
- GMC Envoy XUV
GMT400 frames were built by A.O. Smith Automotive Products , Dana Corporation , and Tower Automotive .
The GMT600 was used in the full-size Chevrolet Express vans.
- Chevrolet Express
- GMC Savanna
It uses three boxed-in hydroformed sections rather than a single long frame. This gives greater flexibility to the platform. A total of four front modules, seven midsections, and four rear sections were created to mix and match for nearly 40 different truck configurations.
The GMT800 platform was introduced in 1999. Frames are manufactured by Magna International in Ramos Arizpe , Coahuila, Mexico and St. Thomas, Ontario, Canada. Final assembly is in Oshawa, Ontario, Pontiac, Michigan, and Fort Wayne, Indiana. The GMT820-based Hummer H2 is built under contract by AM General at a specially-constructed plant in Mishawaka, Indiana, USA.
The updated GMT900 will debut at the 2006 North American International Auto Show. The first GMT900 vehicle will be the next-generation Cadillac Escalade. The GMT900 series will feature standard vehicle stability control and will offer American Axle's "I-Ride" independent suspension module. GMT900 production will begin at GM's Janesville, Wisconsin plant in late 2005.
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