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mnoonan-NEWI 
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Joined: 11 Sep 2009
Location: Marinette, WI
Points: 738
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 Topic: 720 Front axle's
Posted: 07 Sep 2015 at 8:34pm |
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Was there a heavy duty front axle and a normal duty front axle on the 720's. I have (2) 720's and one has bigger steering arms on top of the spindles?
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AC CA, Ferguson TO-20, Ford NAA, M-M BG, AC #3 Mower, SC Plow, PH Digger, AC 720's with Ark 700 loader & Brantly Backhoe, "Mini B" w/flathead Ford V8
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Steve in NJ
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Joined: 12 Sep 2009
Location: Andover, NJ
Points: 11823
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Posted: 07 Sep 2015 at 10:29pm |
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Yes, from what I've heard on here a while back, there was an upgraded front axle which was heavier. Don't know when in production they were introduced though...
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39'RC, 43'WC, 48'B, 49'G, 50'WF, 65 Big 10, 67'B-110, 75'716H, 2-620's, & a Motorhead wife
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HudCo
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Joined: 29 Jan 2013
Location: Plymouth Utah
Points: 3552
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Posted: 07 Sep 2015 at 11:24pm |
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think the spindle diameter is still the same size with the bigger steering arm ontop have to mesure the 720 parts tractor and the 616 had both side by side a week a go swapping hyd valves and starerter soliniod and the pto to the 720 without the carrier bearing front axles looked the same to me but i found little differances all over the two tractors that had been changed from the 616 to the 720
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Tracy Martin TN
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Joined: 11 Sep 2009
Location: Gallatin,TN
Points: 10633
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Posted: 07 Sep 2015 at 11:27pm |
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I don't have my parts book, but IIRR that is correct. Just a heavier steering arm and thread on the end of spindle.There was a service bulletin to add a plate for the axle pivot bolt. HTH Tracy
Edited by Tracy Martin TN - 07 Sep 2015 at 11:27pm
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No greater gift than healthy grandkids!
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HudCo
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Joined: 29 Jan 2013
Location: Plymouth Utah
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Posted: 07 Sep 2015 at 11:33pm |
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should have checked for up grades while i had my engine out on that piviot it is alll nice and tight and i did check to see witch way the bolt was so it could be removed without lifting the engine
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mnoonan-NEWI
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Joined: 11 Sep 2009
Location: Marinette, WI
Points: 738
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Posted: 13 Sep 2015 at 9:44am |
Thanks fellas, I have done the upgrade to the heavier front axle. Without pulling the engine, I had two buddies to help. It pretty much needs more than one man.
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AC CA, Ferguson TO-20, Ford NAA, M-M BG, AC #3 Mower, SC Plow, PH Digger, AC 720's with Ark 700 loader & Brantly Backhoe, "Mini B" w/flathead Ford V8
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