2021 Agricultural tractor and combine sales in the U.S. and Canada were stronger than in recent years. Curt Blades with the Association of Equipment Manufacturers tells Brownfield the big jump was in self-propelled combines, which were up almost 77% in February over a year ago. “The economics point to maybe it’s time to invest in a new combine. The other thing that I always like to point out is that there is some pretty awesome new technology out there in the combining space.