The Bolens 3012H ST125 is a garden tractor produced from 1986 to 1987 as part of the Suburban Series. It features a 12.5 hp Briggs & Stratton 655cc 2-cylinder gasoline engine with an electric starter and a 5-gallon fuel tank. The tractor uses an Eaton 7 belt-driven hydrostatic transmission with infinite forward and reverse speeds. It has two-wheel drive, manual steering, disc brakes, and an open operator station. The PTO is a mid independent type with an electric clutch. Dimensions include a 45-inch wheelbase, 69 inches length, 34.5 inches width, and 42 inches height. Tires are 15x6.00-6 front and 20x8.00-10 rear. Electrical system is 12 volts with a 45 AH battery and negative ground. Attachments available include a 36-inch mid-mount mower deck, 38-inch single and two-stage front-mount snowblowers, and a 42-inch front-mount blade. The tractor was built in Port Washington, Wisconsin, USA.