The Cub Cadet RZT S42 Zero is a zero-turn mower produced from 2013 to 2016 as part of the RZT Series. It features an electric engine and transmission with infinite forward and reverse speeds. The mower includes a 42-inch mid-mount mower deck with adjustable cutting height and a 110V charging system with four 12-volt batteries. It has two-wheel drive with differential power steering and an open operator station. The original price was approximately $4,000 in 2014.