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Apr 26th, 2026 | | AD Chevy Trucks  Over 6,000 pictures Brad Allen has an awesome collection of Chevrolet factory pictures that he has set up from film strips. Check them out!
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| | | | Joined: Oct 2003 Posts: 5,152 Cruising in the Passing Lane | | Cruising in the Passing Lane Joined: Oct 2003 Posts: 5,152 | Measure the wheelbase to determine if its a 3/4- or 1-ton.
GMC offered 1/2-ton trucks in both short and long wheelbase. So a 1/2-ton GMC could have either 116 or 125 inch wheelbase. Chevy did not sell long wheelbase 1/2-tons, but GMC did.
A 3/4-ton or 1-ton will have 8-lug hubs while the 1/2-ton will have 6-lug.
So if it has 8 lugs and a 125 inch wheelbase, its a 3/4-ton. If it has 8 lugs and a 137 inch wheelbase its a 1-ton.
If it really is a 1-ton you might want to trade it off on another because lots of people want that long box 1-ton pickup.
Once you know the wheelbase you can look for an S-10 that is close to a match.
Scott is right, you are giving up your load rating if you swap to a S-10 frame and suspension.
1955 1st GMC Suburban | 1954 GMC 250 trailer puller project | 1954 GMC 250 Hydra-Matic | 1954 Chevy 3100 . 1947 Chevy COE | and more...
It's true. I really don't do anything but browse the Internet looking for trouble... | | |
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