The 1949 Chevy truck data book for salesmen list:

1/2 ton only available with 4.11
3/4 either 4.57 or 5.14
1 ton only 5.14
1.5 ton either 5.43 or 6.17
2 ton only 6.17

3/4 and 1 ton can be interchanged, and 1.5 and 2 ton likewise.

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-