Wheelbase is in the link I attached.
3100 has 116" wheelbase. Rear axle is 39" behind the back of the cab.
3600 has 125" wheelbase. Rear axle is 48" behind back of cab.


Kevin
1951 Chevy 3100 work truck
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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.