The Jacobsen YT-12 UT33009 is a lawn tractor produced from 1987 to 1989 as part of the YT Series by Jacobsen, a part of Homelite. It features a 12 hp Briggs & Stratton 1-cylinder gasoline engine with an air-cooled vertical shaft and electric starter. The transmission is a belt-driven hydrostatic type with infinite forward and reverse gears. The tractor is two-wheel drive with manual steering and an open operator station. It includes a mid PTO with an independent electric clutch. Electrical system is 12 volts with negative ground. Attachments include 35" and 42" mid-mount mower decks with manual lift and right discharge.