20.8x38 vs.18.4x38 tires

jdetig1

Member
Well I have some bias 20.8s on my 1566 now that are about worn out. Would a 18.4 radial have about the same traction as a 20.8 bias? I would like to get some radials for a better ride. Now could I put the 18.4s on the same rims as the 20.8s or not. I believe the inside and dual rims are 18". If I found some john Deere double bevel rims would they fit or are they different from IH rims? Thanks.
 
IIRC, 18.4's go on 16" rims normally.

You can stretch 18.4's on to 18" rims and they'll work ok. Some claim it works even better according to some articles I've read.
 

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