The Kubota Z421 is a zero-turn mower from the Z400 Series produced since 2017. It features a 24 hp Kawasaki 726cc 2-cylinder gasoline engine, hydrostatic transmission, and two-wheel drive with power steering. The mower includes a two-post folding ROPS and an independent mid PTO with electric clutch. It has a wheelbase of 49.4 inches and weighs 870 lbs. The Z421 comes with a 54" mid-mount mower deck and offers variants including a standard Z421 and deluxe Z422. Original price was $6,649 in 2021.