The 3020 replaced the 3010 in 1964 and was produced till 1972. The gasoline engine measured 227 cubic inches till 1969 when it was increased to 241 cubic inches which produced 62 hp. In 1972 it sold for $10,000. The serial number on our 3020 is #150,268 making it a 1971 model. This is referred to as a side consul model as the hydraulic controls have been moved from the front dash to the right hand side of the operator. Our tractor came from Cartwright, Manitoba.