The Gravely 1138 is a garden tractor produced from 1984 to 1987 as part of the 1100 Series. It features an 11 hp Briggs & Stratton single-cylinder gasoline engine, a 6-speed belt-driven gear transmission, and two-wheel drive with manual steering and disc brakes. The tractor has a mid PTO with an independent clutch. It weighs between 477 and 540 pounds and rides on 13x5.00-6 front and 18x8.50-8 rear lawn/turf tires. Attachments include a 38" mid-mount mower deck, snowblower, and blade. Electrical system is 12 volts with a negative ground and 3 amp charging.