International Harvester HT-341 Turbine Tractor.
Built in 1961, this little tractor was powered by a small gas turbine engine built by Solar Aircraft Company, a subsidiary of International Harvester and a major supplier of turbine powerplants. They experiemented with a turbine engine in a tractor with hydro transmission. Only 2 where made. This is the only one left. Its on display in Penfield IL https://i51.tinypic.com/105vfpx.jpg This type of turbine engine was used in "Auxiliary Power Units" onboard jet aircraft to power the air
1924~26 Fordson Tractor Snow Machine made by ArmsteadSnow Motors of Wisconsin....possible because of Ford Tractor (1915-1950)