The AGCO 516H is a lawn tractor built by Simplicity and distributed by AGCO from 1997 to 2004. It is part of the 500 Series and was built in Port Washington, Wisconsin, USA. The 516H model is the same as the Simplicity Regent 16H. It features a 16 hp Briggs & Stratton 465cc 1-cylinder gasoline engine, a belt-driven hydrostatic transmission with infinite forward and reverse speeds, and two-wheel drive with manual steering. The tractor has an open operator station and an independent mid PTO with an electric clutch. Dimensions include a 45.5 inch wheelbase, 67.75 inch length, 35 inch width, and 41.25 inch height at the steering wheel, weighing 450 lbs. Tires are lawn/turf type with 15x6.00-6 front and 18x8.50-8 rear sizes. Electrical system is negative ground with a 12 volt battery and 3 amp charging. Attachments available include 38" and 44" mid-mount mower decks, a 36" snowblower, and a 42" front-mount blade.