The Roper L121 is a lawn tractor produced from 1979 to 1981 by Roper in Orangeburg, South Carolina, USA. It features an 11 hp Briggs & Stratton 388cc gasoline engine with electric start, a 3-speed transmission with 3 forward and 1 reverse gears, and two-wheel drive with manual steering. The tractor has a wheelbase of 43.5 inches, weighs 394 lbs, and comes equipped with 15.0x6.0 front tires and 18x9.5 rear tires. It includes a 36-inch mid-mount mower deck attachment with a manual lift and 2 blades. Electrical system is 12 volts with negative ground.