Xram is right, the second and third characters on '53 to '55 are the year. I'm doing this from memory, but if I recall correctly the H means its a 3100 or 1/2-ton.


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...