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Old 05-15-2011, 07:59 PM   #1
72 tigger
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72 3/4 rear axle for feller

Picture for feller of my 72 3/4 ton axle. SPID says its a no spin- whats the best way to confirm that it is? $125 picked up. Thanks!
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Old 05-15-2011, 08:15 PM   #2
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Re: 72 3/4 rear axle for feller

if feller passes i would be interested in the internal parts which could be shipped. lmk thanx rich
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Old 05-15-2011, 08:31 PM   #3
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Re: 72 3/4 rear axle for feller

Pop that rear cover off. No-spin could be confirmed quickly. Sharpie
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Old 05-15-2011, 10:30 PM   #4
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Re: 72 3/4 rear axle for feller

i am interested and if it is ok with you i would rather hold off untill payday (friday)
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Old 05-17-2011, 09:29 PM   #5
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Re: 72 3/4 rear axle for feller

It's a no-spin diff. Took the cover off to check. feller is on the clock.
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Old 05-17-2011, 10:49 PM   #6
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Re: 72 3/4 rear axle for feller

i want to get on the back up clock.
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Old 05-18-2011, 05:59 AM   #7
72 tigger
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Re: 72 3/4 rear axle for feller

You're up next if feller passes
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Old 05-18-2011, 07:08 PM   #8
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Re: 72 3/4 rear axle for feller

looks like its yours rich 67
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Old 05-18-2011, 08:42 PM   #9
72 tigger
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Re: 72 3/4 rear axle for feller

rich67, which parts do you want? would a pic of the guts be helpful? You can PM me & let me know. Thanks, Kirk
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Old 05-18-2011, 09:07 PM   #10
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Re: 72 3/4 rear axle for feller

pm sent
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Old 05-19-2011, 09:35 PM   #11
72 tigger
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Re: 72 3/4 rear axle for feller

Inside pics of diff. This isn't a "clutch type posi"- but you probably already know that. Thanks
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Old 05-19-2011, 10:55 PM   #12
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Re: 72 3/4 rear axle for feller

Quote:
Originally Posted by 72 tigger View Post
Inside pics of diff. This isn't a "clutch type posi"- but you probably already know that. Thanks
i didnt know that. havent been in these much. can you explain a little? also did you find out gear ratio? thanx for pics, rich
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Old 05-19-2011, 11:16 PM   #13
72 tigger
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Re: 72 3/4 rear axle for feller

A guy I know has worked on these GM axles. He says there are small counter weights in that cage in the pic. when one wheel spins the weights engage the other wheel. No, I didn't get the ratio- what's the best way to figure it out?
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Old 05-19-2011, 11:30 PM   #14
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Re: 72 3/4 rear axle for feller

beats me dude id have to read up on it.
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Old 05-19-2011, 11:31 PM   #15
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Re: 72 3/4 rear axle for feller

sometimes on the spid.
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