Well, the link is gone... but search ebay for "1952 3800"
From what I can see it's most likely a 1.5 ton model 4100 with the heavy front axle option.

The front bumper is for a 1.5 or 2 ton, and without making brackets it won't fit a 1 ton frame.
Front fenders and running boards look like big truck stuff, not small truck.
Frame appears to be not as big as for a 2 ton, so my guess is 1.5 ton. And if it were a 2 ton very likely it would have a 2 speed rear and they don't mention that.

Not a 3800 1 ton from what I can see...

Grigg

•1951 GMC 250 in the Project Journals
•1948 Chevrolet 6400 - Detroit Diesel 4-53T - Roadranger 10 speed overdrive - 4 wheel disc brakes
•1952 Chevrolet 3800 pickup
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"First, get a clear notion of what you desire to accomplish, and then in all probability you will succeed in doing it..." -Henry Maudslay-