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Friday, August 19, 2005

GM Transbus Engine For Sale

GM Transbus Detroit Diesel-Allison Gas Turbine Powerplant
While searching for any and everything related to the GM Transbus program, this interesting motor came up on Ebay.

This is a Detroit Diesel-Allison GT404 split-shaft regenerative gas turbine. This engine was primarily used for GM's experimental truck programs - notably that of the Transbus. The GM Transbus design was the only one out of three that did not utilize a conventional diesel engine.

GM Transbus Detroit Diesel-Allison Gas Turbine Powerplant
The engine is painted Detroit Diesel sage green, and features a bellhousing that mated up to an Allison automatic - in the case of the Transbus, an HT727 transmission.

GM Transbus Detroit Diesel-Allison Gas Turbine Powerplant
The seller claims that it came from a bus, and was possibly never used. While the latter claim is relatively unsubstantiated, it's very likely that this engine was designated for the Transbus program. Regardless, it's an extremely rare piece of automotive history as it stands.

You can view the Ebay auction here.

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