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| | | Forums66 Topics128,073 Posts1,055,908 Members48,429 | | Most Online14,466
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!
Lots of work on Brad's part ... pure enjoyment (and references) for you!
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For helping keep this great
old truck web site
on the Internet for over 30 years! and not clogged down
with Ads!  Again, thanks!
| | | | Joined: May 2006 Posts: 8,351 'Bolter | | 'Bolter Joined: May 2006 Posts: 8,351 | Sounds like an Eaton HO33, which would be the original axle for a '61 1/2 ton. Having clutch packs in it also identifies it as being the rare factory Positraction variant, which was only made for 3 years. Gear ratio is most likely 3.90:1, though a 3.38 and 4.10 were also available.
Bill Burmeister
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