They made them long box. GMC is 102 model. Chevy is 3102.
A Chevy 3102 would be a flat face cowl in 1/2 ton wheelbase. 3604 would be the 3/4 ton pickup with the longer box.
That GMC looks like a 1/2 ton long bed. Appears to have 6-lug wheels.
Kevin 1951 Chevy 3100 work truck Follow this saga in Project Journal Photos 1929 Ford pickup restored from the ground up. | 1929 Ford Special Coupe (First car) Busting rust since the mid-60's If you're smart enough to take it apart, you darn well better be smart enough to put it back together.