The Jacobsen YT-15 UT33019 is a lawn tractor produced from 1987 to 1989 as part of the YT Series by Jacobsen, a part of Homelite. It features a 15 hp Briggs & Stratton gasoline engine with air-cooled vertical shaft design, a 4.5 gallon fuel tank, and an electric starter. The transmission is a belt-driven hydrostatic type offering infinite forward and reverse gears. The tractor is two-wheel drive with manual steering and an open operator station. It includes a mid independent PTO with an electric clutch and a 12-volt electrical system with negative ground.