A few years ago my yard tractor blew a 10 ply 12.9x 28, local shop quoted me 1400 dollars for a 8 ply,,being a cheap sob drinking coffee in the morning remembered combine world advertising tires so I phoned, quoted me 449 for a 12 ply plus 75 shipping, then asked where to ship it, I said to the local tire shop.. Week later said shop called me snottily asking what to do with this tire, told them you have a truck, put the tire on the truck put it on the tractor and bill me. Think they still hate me and haven't lost any sleep or tire pressure in 10 years.