I'm sure 1948-1953 3/4 through 2 ton. Likely more years but You'd have to look it up to confirm.

Oh, all 4 rear hangers are the same

•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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