You need the nine foot bed from a 1-ton to fit length wise.

To fit over the wheels and tires you'll have more challenges. I've seen a bed with modified fenders on a 1-ton, but never the bigger truck like your 4100.


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...