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| | | | Joined: Aug 2011 Posts: 7 New Guy | | New Guy Joined: Aug 2011 Posts: 7 | I have under the rear of my truck a rearend i have no clue what it is,First it has a third member a housing and a perfectly round 10 bolt rear cover,open it up and you have two main caps that have a bolt in the middle that pushes down on the main bearings,then there is some kind of clutch pack behind the two vertical spider gears,i thought this was a 3/4 ton rearend but it has 6 bolt axels and they have not been redrilled,thanks for having me and any info appreciated. Shane
Last edited by Shanew; 08/31/2011 1:56 AM.
| | | | | 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
| | | | | Joined: Aug 2011 Posts: 7 New Guy | | New Guy Joined: Aug 2011 Posts: 7 | Would you know where i might find more info on this rearend?
Thanks shane | | | | | Joined: Aug 2011 Posts: 7 New Guy | | New Guy Joined: Aug 2011 Posts: 7 | did a lot of research last night on this eaton ho33 and that it is my rearend and found that yukon gear makes gears and axels for it and i can evan get the gears in a highway friendly 3.38 ratio, wooohooo,
now that i know this i won't have to swap to a 700r4 ,wanna say thanks guys, first time out and you hit it out of the park, this forum rocks.
Thanks Shane | | |
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