The Bolens 8436 Ridemaster is a riding lawn mower produced starting in 1960. It features a 5.5 hp Lauson V55B 1-cylinder air-cooled gasoline engine with manual or optional electric start. The transmission is a Versa-Matic with 6 forward and 1 reverse gear. It has two-wheel drive and manual steering with an open operator station. Dimensions are 54 inches long, 37 inches wide, and 36 inches high. Tires are 2.75x10 front and 3.00x12 rear. Attachments include a 36-inch mid-mount mower deck with 1 blade, 12 cut positions, and cut height adjustable from 1.5 to 3.5 inches.