Measure the wheelbase (front wheel center to back wheel center). An AD (47-53) 1/2 ton would be 116", a 3/4 ton would be 125-1/4" as they came from the factory. If you come up shorter than those, then someone has shortened the frame. Any frame welding and/or splices should be checked carefully before trusting them on the road.


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.