The Cub Cadet 518 is a riding lawn mower produced in 1985 by Cub Cadet, a part of MTD. It features an 11 horsepower Briggs & Stratton 1-cylinder gasoline engine with a 1.5 gallon (5.7 L) fuel tank. The mower uses a 6-speed belt-driven CVT transmission called MTD Transmatic, providing 6 forward and reverse gears. It has two-wheel drive, manual steering, disc brakes, and an open operator station. The power take-off (PTO) is a mid PTO type, independent and manually clutched. Tires are sized 11.00x4.10 in front and 13.00x5.00 in rear. Attachments include a 36-inch mid-mount mower deck with 2 blades. Electrical system has a negative ground and a 12-volt battery.