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#718187 02/04/2011 8:32 PM
Joined: Jun 2010
Posts: 20
E
'Bolter
'Bolter
E Offline
Joined: Jun 2010
Posts: 20
Hello Everyone,
I would like to know what years were Eaton HO52/72 rearends used. My plan is to swap out my HO72 with a HO52. In order to start my search, I need to know what years used the "HO52". Was this a 3/4 ton rear?
PLEASE HELP!!!
Thanks Fella's,
Ed Lupardo

Ed Lupardo #718217 02/04/2011 9:52 PM
Joined: May 2006
Posts: 8,351
L
'Bolter
'Bolter
L Offline
Joined: May 2006
Posts: 8,351
1947-1972. The HO52 was the 3/4 ton version, usually found with a 4.56 ratio, though some do have 5.13 and 4.10 ratios. Ideally, what you would want is the 4.10 version from a '68-'72, which was used in 3/4 tons with the 350 and automatic transmission. Only the 3rd member needs changing if you're wanting to improve the gearing, the axle housings are the same between the 52 and 72. That way, you will keep the larger 1 ton brakes.


Bill Burmeister
LONGBOX55 #718247 02/04/2011 11:56 PM
Joined: Jun 2010
Posts: 20
E
'Bolter
'Bolter
E Offline
Joined: Jun 2010
Posts: 20
Thanks a million Bill for the good information. Now I can start my quest.
Gratefull,
Ed Lupardo


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