The Allis Chalmers 508 is a riding lawn mower produced from 1974 to 1979. It features an 8 hp Briggs & Stratton 1-cylinder air-cooled gasoline engine with electric start. The transmission is a belt-driven shuttle with 2 forward and reverse speeds. It has a wheelbase of 44.4 inches and weighs 429 lbs. The mower uses two-wheel drive and has an open operator station. Tires are 4.10/3.50x4 front and 16x6.50-8 rear. Attachments include a 30-inch mid-mount mower deck with a single blade and manual lift.