The Gilson 770 S-12 is a garden tractor produced from 1968 to 1969 as part of the S Series. It features a 12 hp Briggs & Stratton 494cc 1-cylinder gasoline engine with electric start, a 4-speed shaft-driven variator transmission, and two-wheel drive with manual steering. The tractor has an open operator station and weighs 710 lbs (322 kg). It rides on 6.50x8 front tires and 9.50x12 rear tires. Attachments include 42" and 48" mid-mount mower decks, a 36" snowblower, and a 42" front-mount blade.