The Rugg 5031 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 (12 volts). The transmission is a belt-driven gear type. It has two-wheel drive, manual steering, and an open operator station. The rear tires are sized 4.10/3.50-5. The tractor supports a 25-inch mid-mount mower deck with a single blade and manual lift, driven by a belt. Electrical system is negative ground with a 12-volt battery.