The Gravely GMT 900 is a garden tractor introduced in 1977 by Gravely. It features a 26 hp Continental 845cc 4-cylinder liquid-cooled gasoline engine, an 8-speed gear transmission, and two-wheel drive with power steering. The tractor has an open operator station and offers optional independent rear PTO. It rides on lawn/turf tires sized 20x8.00-10 front and 29x12.00-15 rear. The tractor weighs 1470 lbs and has a wheelbase of 63 inches. Attachments include a 72-inch mid-mount mower deck with adjustable cut height.