"Second I like the bigger fenders on the larger trucks."
1/2 ton through 1 ton A-D trucks had the same size cabs/fenders/grills/hoods
The differences were in the frames, suspensions, rear ends, and wheels/tires.
Dimensions/specifications can be found at the link given above by Wayne67vert,
in this sub-section "Specification Information (Resto-Packs) Packages - Pre 1960".