The Gravely 1130 is a riding lawn mower produced from 1980 to 1983. It features an 11 hp Briggs & Stratton 399cc 1-cylinder gasoline engine, a 3-speed belt-driven gear transmission with 3 forward and 1 reverse gears, and two-wheel drive with manual steering and disc brakes. The mower has an open operator station and weighs 335 lbs. It includes a 30" mid-mount mower deck and a front-mount blade attachment. The electrical system is 12 volts with a negative ground.