Duramax Allison Transmission Hummer
pameladeville
01-22-2006, 07:11 PM
Does anyone know what year the Duramax Diesel and Allison Transmission is first used in the Hummer H1?
waterboy333
04-17-2006, 08:57 PM
2006, in the alpha. wait a year or so if you want one, they were having problems melting dashboards with the new motor set up
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