7.5-20 is what is on the truck and specs from a manual say same tire. Didn’t know size can help speed. Would be nice to go faster than 50. Since I have 6:11,8:13 rear gears. I’m guess at the rim width. Not sure where to measure from so it could be anywhere from 6 to 7.5. Looks like 20” rim. Tires look the same on front and back. There is some sort of adapter on the front that goes from 6 lug to 5 lug.
Bought it because of the tow rig. Paid 4500$. Was licensed to tow in 1978 in North Dakota. Found insurance and registration. I have not had a chance to crank it by hand. Found a cast iron pulley and bushing to fix the broken one. Little bit of welding and it will be good as new. 🤞 found a whole tow sling that has all the parts.
