The Cub Cadet RZT S54 KW is a zero-turn mower produced since 2014 as part of the RZT S Series. It features a 23 hp Kawasaki FR691V 726cc 2-cylinder gasoline engine, hydrostatic transmission with infinite forward and reverse speeds, and a 54-inch mid-mount mower deck. The mower has two-wheel drive with differential power steering and an open operator station. It weighs 635 lbs and rides on 13x5-6 front and 18x9.5-8 rear lawn/turf tires. The electrical system includes a 12-volt battery with 230 CCA and a 15 amp charging system. The original price was approximately $3,500 in 2015.