View Full Version : Question about Dmax/allison

South Florida Lawns
01-29-2010, 03:26 AM
I test drove a 2003 cheverolet 2500 2wd with the 6.6 LB7 with auto. What trans did it have? I thought all duramax were paired to the allison trans but it just had a duramax badge on the door nothing else.

Sorry for a dumb post I'm too lazy to subscribe to any diesel forums and i couldn't find much with a quick google search.

Gravel Rat
01-29-2010, 05:10 AM
You will have to get under the truck and have a look :laugh:

01-29-2010, 09:11 AM
It's an Allison. Earlier years of the Duramax truck's had badges on the door that only said "Duramax", unlike later year's like 06'.

01-29-2010, 11:08 AM
Yeh they all have allisons. That one will just be a 5 spd unfortunately. The 6 spds the chit! The LBZ's and LMM's have the badges that say allison on them.

01-29-2010, 03:13 PM
allison 1000