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ACinSC 
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Location: South Carolina
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 Topic: D 15 front tires Update
Posted: 28 Feb 2023 at 12:44pm |
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Plan to go from 6.50/16 to 7.50/16 loaded tires to help keep my front end on the ground . Old tires are 6 ply , new ones are 12 ply . That shouldn't be a problem , should it ? THANKS !
Edited by ACinSC - 03 Mar 2023 at 1:26pm
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steve(ill)
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Joined: 11 Sep 2009
Location: illinois
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Posted: 28 Feb 2023 at 3:54pm |
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ii bought 14 ply x 16 inch tires for the front of the backhoe and i could not get them on the rim with "my" tools... had to go to the tire shop and have them install... He said no problem.... operations wise, there is no problem.
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Like them all, but love the "B"s.
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ACinSC
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Posted: 28 Feb 2023 at 4:03pm |
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Thanks Steve. Almost seems like the more plys the better on a tractor tire ?
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steve(ill)
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Posted: 28 Feb 2023 at 4:07pm |
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more plys gives more load capacity and more puncture resistance.... load depends on the rims you have.... nothing wrong with 12 ply tires... just TOUGH to flex them onto the rims.
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Like them all, but love the "B"s.
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DrAllis
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Posted: 28 Feb 2023 at 5:37pm |
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I wouldn't be surprised if a 7:50 x 16 tire would rub on the steering arm at the top. I don't think that size of tire was ever offered on a D-15. A 6 bolt hub might be better than a 5 bolt hub for clearance.
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ACinSC
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Posted: 28 Feb 2023 at 8:58pm |
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According to my book 7.50/16 was an option. Guess I'll find out if it rubs. Thanks
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DSeries4
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Posted: 01 Mar 2023 at 3:38pm |
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My neighbor's D15 II had 7.50 x 16 on the front 5 bolt rims before I restored it. 12 Ply for a 7.50 x 16 is crazy! They will not have any flex at all. The only 12 ply tires I have are 24.5 x 32s on my D21.
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'49 G, '54 WD45, '55 CA, '56 WD45D, '57 WD45, '58 D14, '59 D14, '60 D14, '63 D15D, '66 D15II, '66 D21II, '67 D17IV, '67 D17IVD, '67 190XTD, '73 620, '76 185, '77 175, '84 8030, '85 6080
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ACinSC
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Posted: 01 Mar 2023 at 5:39pm |
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Yeah Myron, seems kinda crazy to me too. Hope to get them back tomorrow and go for a test drive
Thanks
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captaindana
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Posted: 01 Mar 2023 at 6:00pm |
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Well my Goodyears on the beech jets are 16 ply and good for 210 mph…..🤣
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Blue Skies and Tail Winds
Dana
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ACinSC
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Posted: 02 Mar 2023 at 11:03am |
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THANKS Dana , my old D 15 probably will only go about 15 mph and I hope the tires stay on the ground .
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ACinSC
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Posted: 03 Mar 2023 at 1:31pm |
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Have my new tires on . Old unloaded 6.50/16 tires weighed about 55 lbs each . New tires weigh about 130 lbs . Should help keep my front tires on the ground ? Be a while before I'm back at the 'farm'to find out. These tires are 8 ply . Dunno why they told me 12 . Almost forgot , tires don't rub on anything . Thanks !
Edited by ACinSC - 03 Mar 2023 at 6:44pm
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BobPaulusCentrOH
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Posted: 04 Mar 2023 at 5:59pm |
I have that size on my D-15 Series 2. 8 ply and real strain to mount on rims. Glad they fit. Bob
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ACinSC
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Posted: 05 Mar 2023 at 10:58am |
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Yeah Bob , bet 12 ply would've really been hard to put on the wheels . Kinda glad they wound up being 8 ply . Dr Allis was right about the tires being close to the control arm . I'm happy they don't rub . Does your Series 2 have 6 bolt hubs ? Just curious . Thanks !
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BobPaulusCentrOH
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Posted: 05 Mar 2023 at 4:08pm |
No, my D15 has 5 bolt wheels and hubs. I have a D15 Diesel Tractor Loader Backhoe that is 5 lug wheels and hubs, also.
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ACinSC
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Posted: 05 Mar 2023 at 8:27pm |
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Ok thanks Bob!
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ACinSC
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Posted: 09 Mar 2023 at 3:26pm |
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New tires have 0423 date code . I'm thinking that means they were made the 4th week of this year ? Seems I read somewhere that it takes new tires a while to 'toughen up'? Anyone know if that's right and how long ? Thanks !
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jaybmiller
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Posted: 09 Mar 2023 at 3:39pm |
0423 could be 23rd week of 2004 ?  I'd keep couple extra PSI for a few hours of use, just to help 'seat' rubber to rim.
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steve(ill)
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Posted: 09 Mar 2023 at 3:51pm |
The last four numbers represent the manufacturer's date. The first two numbers indicate the week, while the last two indicate the year. (For example, a tire with the number 2910 was manufactured in the 29th week of 2010.)
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Like them all, but love the "B"s.
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ACinSC
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Posted: 09 Mar 2023 at 7:48pm |
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Thanks Jay and Steve.
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200Tom1
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Posted: 09 Mar 2023 at 11:23pm |
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ACinSC. You are right, it takes a while for them toughen up. Id stay outta the cornstalks/bean stubble for a month or so. When I owned my tire shop, we had a big fenced in back lot. We ordered semi loads of rears, had them delivered as close to Jan 1st as we could. They set out there for 30-45 days before we actively started selling them. I can not remember ever having trouble with fronts.
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ACinSC
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Posted: 10 Mar 2023 at 6:14am |
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Thanks Tom. Good to know!
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