tire size on WD 45

Anonymous-0

Well-known Member
What sizes did WD 45s have on the rear. Tractordata says 12-28 but did they have wider sizes from the factory? I saw several WD 45s at a pull this weekend a couple had 12-38, some had what I thought were 15 or 16 inch 28s and one had possibly 18-28. I tell you what those tractors can pull very well for there size. One gal won the 5500# stock class. She had 2 full pulls but she also had the tractor with the really large tires and the pull was on blactop so she had plenty of rubber on the road. Rules said at the pull: Tire had to be stock size if not stock size no bigger than 14.9. Her tires were rubbing on her fender in fact they stopped her in the middle of the pull in a earlier class because it was bending it. Just curious she didn't pull in my class so it doesn't bother me.
 
Early 45's (like 1953's) might have had 12 in rims and 12-28's, now called 13.6-28. Later WD-45's had 13 inch rims from factory and 13-28's, now called 14.9-28. Measure width of factory rim, then you'll know. Most 45's had the wider rims and 14.9's
 
Everything I have says that 12-28 were the standard offering. When the 45 went to Nebraska, it had 13 x 28. I've seen some that were larger than that. I have 14.9 X 28 on mine. No standard WD-45 tractors came from the factory with 38 inch wheels.
 
Standard rim was a 12 x 28, oversize was 13 x 28. New size markings are as another poster stated. Yes, a 9 x 38 rear wheel was available from the factory. Used a different center dish. It is in the parts book.
 
Hi Denny, Maybe they weren't standard but since they were an option in the book they could have come from the factory as a non standard right?
 
Nebraska test shows 14.9x28 as standard. AC operators manual shows 13.6x28 as standard and 14.9x28 as option. Almost all I have ever seen had 14.9x28. Our area club used to go by Nebraska test. Now it is what ever fits their wim for the day.
 

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