They are unmodified stock industrial tires. It works pretty well as long as the weight is there, but siping would probably help too. During the picture the snow was very cold and dry. With wet snow they slide around once it's packed down.Are your tires siped at all, or are you just going bare there?
Is that snow cold & dry?
Yeah I like it a lot, and it can flip around to the other side when I'm doing backhoe work. It's a Rhinohide: Tractor Canopy - Rhinohide CanopiesNice canopy you have there! It looks real good on your machine.