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Bigger tires on JD40? |
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Strokendiesel002
Silver Level Joined: 04 Apr 2019 Location: 53158 Points: 252 |
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Posted: 07 Apr 2019 at 9:39am |
Hey guys!
As I'm new to the tractor scene, this is the only forum I'm in so I figured I'd ask. My uncle's JD40 has 11.2x34 9bolts. Calcium Chloride ate away the area surrounding the valve stem and the bead ripped when the shop was trying to break it free. We've been looking for viable options (read reasonably priced) for a same sized replacement for a couple weeks and are coming up short. Today, I found a pair of 18.4x38s on 9bolts, labeled as duals. 2 questions - first, is there any reason a dual CAN'T be run as a single. Second, is that tire too large for a JD40? Thanks! |
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DMiller
Orange Level Access Joined: 14 Sep 2009 Location: Hermann, Mo Points: 29464 |
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Check the bolt pattern diameter, I am thinking the 38s will have a larger diameter, duals indication I am not certain but could be a heavier center to take the side loading. Then have to consider the HP to turn those 18.4s with ballast in them.
Edited by DMiller - 07 Apr 2019 at 12:03pm |
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Tony.Or
Orange Level Joined: 18 Mar 2010 Location: Oregon Points: 1498 |
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WAy to much tire for a JD 40 .. Tony
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Strokendiesel002
Silver Level Joined: 04 Apr 2019 Location: 53158 Points: 252 |
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Thanks guys! The fluid (ballast) would definitely be removed. I didn't think about the strong possibility of bolt spacing. I'll have to check that out.
Way too much tire - to talk or to wide or both? |
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HD6GTOM
Orange Level Joined: 30 Nov 2009 Location: MADISON CO IA Points: 6627 |
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Way too wide and way too tall. I just checked with one of my old suppliers. 11.2x34 tires should cost you in the neighborhood of $250.00 each put on your little tractor. You will need tubes for those old rims. Have fun with it.
Edited by HD6GTOM - 07 Apr 2019 at 11:52pm |
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