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Old 03-06-2008, 02:44 AM   #1
pulltilbroke
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rear axle

what rear axle would my 60 4x4 1/2 ton have in it
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Old 03-06-2008, 04:45 PM   #2
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Re: rear axle

GM corporate HO33 I think is the model. Smaller version of the HO52/HO72 corporate axles that were still used until '72.
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Old 03-06-2008, 04:51 PM   #3
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Re: rear axle

whats the difference between the HO52 and the HO72 these were the big Eaton 12 1/4 units werent they
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Old 03-06-2008, 06:38 PM   #4
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Re: rear axle

Pretty much the outer stuff:brakes and hubs.The HO72 will have a pinion side thrust adjustment,too.Not sure if it`s all or whether some HO52s did,too.If memory serves,all HO72s did and some HO52s did.
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Old 03-07-2008, 03:45 AM   #5
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Re: rear axle

Quote:
Originally Posted by pulltilbroke View Post
whats the difference between the HO52 and the HO72 these were the big Eaton 12 1/4 units werent they

the 12.25" ring gear is the H110, optional on C/30's only. They had 10 lugs in the rear, 5 up front with this axle.
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Old 03-07-2008, 03:49 AM   #6
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Re: rear axle

Whats the ring gear size on the HO52/72
this is the diff I got in my 67
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Old 03-07-2008, 07:58 AM   #7
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Re: rear axle

Its roughly 10-1/8" when I hit mine with the tape measure
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