As a point of reference my 1965 1 ton is just about 21 feet long, bumper to bumper. i don't have my manual with me to get the exact measure, but it is significantly longer than the 1/2 ton or C-10.
Mike


My old truck's still running good, my ticker's ticking like they say it should, I got supper in the oven, a good woman's loving, and even my bad days aint that bad...Yeah, I'm a lucky man!
1953 Chevy 3100 Shortbed

1965 C-30 Panel Truck
1963 C-20 Long/Fleet Pick-up California Black Plate