The Rugg 5090 is a 1970 lawn tractor built by Rugg in Newark, New Jersey, USA. It features a 1-cylinder gasoline air-cooled vertical-shaft engine with electric 12-volt starter. The transmission is an Eaton Marshallmatic 6 belt-driven hydrostatic type with infinite forward and reverse gears. The tractor has two-wheel drive, manual steering, and an open operator station. Tires are sized 13x5.00-6 front and 16x6.50-8 rear. Attachments include a 36" mid-mount mower deck with 3 blades and manual lift, driven by belt. Electrical system is negative ground with a 12-volt battery.