The Keck-Gonnerman 12-24 is a standard-tread farm tractor produced from 1917 to 1918 by Keck-Gonnerman in Mount Vernon, Indiana, USA. It features a liquid-cooled 8.7L 2-cylinder kerosene engine with a hand-crank starter, a 2-speed gear transmission with 2 forward and 1 reverse gears, and two-wheel drive with spur gear final drives. The tractor delivers 24 hp drawbar power and 12 hp belt power, capable of pulling 3 14-inch plows. It has an open operator station and manual steering. The tractor weighs 6500 lbs and rides on 61x12 steel rear tires. The belt pulley diameter is 12 inches with a width of 8 inches, running at 650 RPM and a speed of 1004 ft/min. The original price was $1,250 in 1918.