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28 inch rear wheels
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playsindirt View Drop Down
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Joined: 13 Feb 2011
Location: west michigan
Points: 159 		Post Options Post Options   Thanks (0) Thanks(0)   Quote playsindirt Quote  Post ReplyReply Direct Link To This Post Topic: 28 inch rear wheels
    Posted: 14 Jul 2016 at 7:47am
can I put wd rear wheels on my D-15. I can find used 28 inch rims and tires all day. seems 26 inch are not as common. Thanks.
48G 49B 67D15 35picker allcrop60 1973 rotobaler 49C
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DrAllis View Drop Down
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Joined: 12 Sep 2009
Points: 22136 		Post Options Post Options   Thanks (0) Thanks(0)   Quote DrAllis Quote  Post ReplyReply Direct Link To This Post Posted: 14 Jul 2016 at 7:52am
The complete rim and spin-out center will fit a D-15, yes.
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DougS View Drop Down
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Joined: 03 Nov 2011
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Points: 2490 		Post Options Post Options   Thanks (0) Thanks(0)   Quote DougS Quote  Post ReplyReply Direct Link To This Post Posted: 14 Jul 2016 at 8:16am
D-15 should have had 28 inch tires in the first place. What were they thinking?
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SteveM C/IL View Drop Down
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Joined: 12 Sep 2009
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Points: 8675 		Post Options Post Options   Thanks (0) Thanks(0)   Quote SteveM C/IL Quote  Post ReplyReply Direct Link To This Post Posted: 14 Jul 2016 at 8:20am
If there isn't any fender issues that's what I'd do.Have 14.9's on the WD and you can't set wheels in the last notch but don't need that setting anyway.
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DrAllis View Drop Down
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Points: 22136 		Post Options Post Options   Thanks (0) Thanks(0)   Quote DrAllis Quote  Post ReplyReply Direct Link To This Post Posted: 14 Jul 2016 at 8:22am
That's one of my arguments why a even a D-15 II never really replaced a WD-45 on a 3-16's mounted plow in tough going....less rubber and less engine torque.
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Gerald J. View Drop Down
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Points: 5636 		Post Options Post Options   Thanks (0) Thanks(0)   Quote Gerald J. Quote  Post ReplyReply Direct Link To This Post Posted: 14 Jul 2016 at 8:27am
If the tire has traction the slightly small diameter gives more pull for a given ground speed and engine power. The trade off is the bigger tire often has more area on the ground and so is a bit better at converting torque to pull. Its also affected by weight on the tires, type of tire (bias vs radial, radial always pulls better), engine torque and gear ratios.

A two inch larger rim with the same cross section tire also means the axle housing clears the ground by another inch, handy when cultivating or spraying row crops.

Gerald J.
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Allis dave View Drop Down
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Points: 3074 		Post Options Post Options   Thanks (0) Thanks(0)   Quote Allis dave Quote  Post ReplyReply Direct Link To This Post Posted: 14 Jul 2016 at 9:03am
The taller rear tires could make it tough to hookup snap coupler equipment. I have 16.9-28's on my WD45, and unless everything's perfect I usually have to jack up the snap coupler hitch 1-2 inch to get inside the bell.
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Adam Stratton View Drop Down
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Points: 1363 		Post Options Post Options   Thanks (0) Thanks(0)   Quote Adam Stratton Quote  Post ReplyReply Direct Link To This Post Posted: 14 Jul 2016 at 11:48am
I have 14.9 x 28s on a d15ii and it works just fine for me
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Eldon (WA) View Drop Down
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Joined: 11 Sep 2009
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Points: 7765 		Post Options Post Options   Thanks (0) Thanks(0)   Quote Eldon (WA) Quote  Post ReplyReply Direct Link To This Post Posted: 14 Jul 2016 at 3:47pm
Make sure you use the rail stops, if the eccentrics don't hold the tires will hit the fenders.
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