The 2018 John Deere S790 combine is equipped with a powerful 6-cylinder diesel engine and a ProDrive hydrostatic transmission. It features a John Deere Starfire 6000 GPS receiver, combine advisor, machine sync, and an operator manual for ease of operation. The feederhouse has lateral tilt and variable speed with a reverser, while the concaves are large wire for improved crop handling. The combine has power folding bin extensions, a 26′ unloading auger, and dual 580/85R42 front tires and 750/65R26 rear duals for enhanced stability and performance.