'48 to '54 are the same as '55 to abut '70 on the 3/4- and 1-ton trucks. The Dana was an option starting about 1970 and the GM 14-bolt replaced the Eaton about '73.


1955 1st GMC Suburban | 1954 GMC 250 trailer puller project | 1954 GMC 250 Hydra-Matic | 1954 Chevy 3100 . 1947 Chevy COE | and more...
It's true. I really don't do anything but browse the Internet looking for trouble...