The '48-50 have a vent in the left side cowl. There were also some structural and mounting differences between them and the later cabs.

The '51-53 cabs are identical. The '54 cab has a one piece windshield and a different dashboard


"It's just a phase. He'll grow out of it." Mama, 1964

1956 Chevy 1/2-ton 3100
1953 Chevy 6100 "The Yard dog"
1954 GMC Suburban Now with a new proud owner.