The Simplicity Courier 21.5/52 is a zero-turn mower introduced in 2018 as part of the Courier Series by Simplicity, a part of Briggs & Stratton. It features a 21.5 hp Kawasaki FR651 2-cylinder vertical-shaft V-Twin engine with a 726 cc displacement. The mower uses a Hydro-Gear ZT-2800 hydrostatic transmission with infinite forward and reverse gears. It has a 52-inch mid-mount mower deck with 3 blades and manual lift, offering 13 cut positions with a cutting height range of 1.5 to 4.5 inches. The mower is equipped with 11x4.00-5 front tires and 20x10-10 rear tires. Electrical system includes a 12-volt electric starter and a 230 CCA battery with negative ground. The operator station is open. The original price was $4,200 in 2018.