Forum | Marketplace | Knowledge Base | | H1 site | H2 site | H3 site
Click Here To Visit Plan B Supply
Click Here To Visit Plan B Supply
Click Here To Visit RubberDuck 4x4
Click Here To Visit RubberDuck 4x4
Click here for a listing of all HUMMER Network sponsors

Hummer Knowledge Base

The Hummer Knowledge Base

Transmission Naming Convention:

The 3L80 is a turbo 400. The 4L60E is a turbo 700-R4. GM changed the naming convention.

3 - 3 speed
4 - 4 speed
L - longintudinal (rear wheel drive)
T - transverse (front wheel drive)
60 - strength factor (weak)
80 - strength factor (strong)
E - electronic control

Back to main page

The Hummer Knowledge Base is a collection of informative posts from the Hummer Network forums and mailing lists, contributed material and links to outside web sites.
The Hummer Network is not responsible for the accuracy of the information contained herein or on outside web sites, nor for any situation arising from the use thereof.
© 2006-2011 by The Hummer Network. No material from the Hummer Knowledge Base may be reprinted or republished in any form without permission.