The Keck-Gonnerman 15-30 is a standard-tread farm tractor produced from 1920 to 1927 in Mount Vernon, Indiana, USA. It features a 10.8L 2-cylinder liquid-cooled kerosene engine with a hand-crank starter, producing a claimed 30 drawbar horsepower and 15 belt horsepower. The tractor has a 2-speed gear transmission with 2 forward and 1 reverse gears, two-wheel drive with spur gear final drives, and manual steering. It weighs 6500 lbs and rides on 61x12 steel rear tires. The open operator station and mechanical design reflect early 20th-century tractor engineering. The original price was $1,500 in 1920.