The Roper K511 Sprint is a riding lawn mower produced from 1973 to 1974 by Roper in Orangeburg, South Carolina, USA. It features a 5 hp Briggs & Stratton 206cc 1-cylinder air-cooled gasoline engine with manual recoil start. The mower has a 1-speed transmission with 1 forward and reverse gear, two-wheel drive, and manual steering. It has a wheelbase of 40.5 inches, length of 57.5 inches, width of 32 inches, height of 37.5 inches, and a shipping weight of 290 lbs. The mower is equipped with lawn/turf tires sized 10.5x3.5 front and 12.5x4.1 rear. The 26-inch mid-mount mower deck has a single blade with manual lift and offers 5 cut positions with a cut height range of 1.5 to 3 inches.