The Massey Ferguson ZT 1438 is a zero-turn mower built by Simplicity and distributed by Massey Ferguson from 1999 to 2001. It features a 14 hp Kohler Command 1-cylinder air-cooled gasoline engine, hydrostatic transmission with infinite forward and reverse gears, and two-wheel drive with hydrostatic differential steering. The mower has an open operator station and is equipped with a 38-inch mid-mount mower deck. It was built in Port Washington, Wisconsin, USA.