BBSD,

1940 3/4 ton had the 6 bolt pattern. That's where all those cool artillery wheels came from. Quick way to check on the chevy, probably the same on GMC, are the springs under the frame in the rear or mounted on the side of the frame. under is 1/2 ton, side is 3/4 ton or maybe 1 ton.


Bill Schickling

1940 1/2 ton, 1940 3/4 ton
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