The Rugg 5051 is a 1971 lawn tractor manufactured by Rugg in Newark, New Jersey, USA. It features a 1-cylinder gasoline air-cooled vertical-shaft engine with manual recoil and optional electric starter. The transmission is a belt-driven gear type with 3 forward and 1 reverse gears. It has two-wheel drive, manual steering, and an open operator station. The rear tires are sized 4.10/3.50-5. Attachments include a 25" mid-mount mower deck with a single blade and manual lift, driven by a belt. The electrical system is 12 volts with negative ground.