The Roper L821 Rally is a lawn tractor produced from 1974 to 1980 by Roper in Orangeburg, South Carolina, USA. It features an 8 hp Briggs & Stratton 318cc 1-cylinder air-cooled gasoline engine with electric start. The tractor has a 3-speed transmission with 3 forward and 1 reverse gears, two-wheel drive, and manual steering. It includes a 36-inch mid-mount mower deck with a 2-blade manual lift. The L821 variant has electric start, while the related L811 model has manual start. The tractor weighs 394 lbs and has a wheelbase of 43.5 inches.