Quote:
Originally Posted by factorystock
Super rare cap Jon! I've never seen one. But makes you realize how rare '62-'63 Custom 3/4 ton 4x4 GMC's were back when new and how super rare one is today in excellent condition. This is the only photo I could come up with from back in the day. It's small and grainy, not sure what is going on. I was under the impression the standard uncut hubcap would fit over the front 4x4 hub. IMO, the hole is much too small for the full axle, must be for the tip only. '71 photo for 4x4 hub reference. Bottom photo brand new '62 1/2 ton 4x4. Hub and hole appears much larger than the hole in your 3/4 ton cap.
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Im pretty sure that the standard uncut rear cap will fit on a fulltime 4 wheel drive front axle ( no lockouts ). To me its just odd to be cut so small. The original caps i have for 1960-1961 4x4 and 62-63 have a 5 inch hole . But seeing one like this makes you think about , WHY ? Parts books give no explanation other than they state, "For 17.5 and 19.5 wheels " . There is no other part number for the front chrome 4x4 hubcap . I was thinking the same as you though with that 71 truck hub .