The Gilson 53007 S-12 is a garden tractor introduced in 1971 as part of the S Series. It features a 12 hp Briggs & Stratton 494cc 1-cylinder gasoline engine with electric start and a 4-speed belt-driven gear transmission with 4 forward and 1 reverse gears. The tractor is two-wheel drive with manual steering and an open operator station. Electrical system is 12 volts with negative ground. Available attachments include 42" and 48" mid-mount mower decks, a 36" front-mount snowblower, and a 42" front-mount blade.