This am went over to the place I bought the mower, got the farm wagon. Rubber tires, steel frame, wood box, and hydraulic hoist. The thing had double sideboards, bolted on. 35 - 40 mph constant winds told me to take them off before loading. Winched it onto my car trailer. Stopped for burgers, Got motor oil to service the pickup, the trip home took some gas with the winds, some gusts really knocked my Chevy around. Wagon sitting higher than the cab didnt help. ,,,,,,,tires are about 50 years old. Bias ply, nylon and still holding air, of course I would not want to try them at 60mph.