The Denning E 10-18 is a standard-tread farm tractor produced by Denning from 1916 to 1918. It was built in Cedar Rapids, Iowa, USA. Powered by a Waukseha 3.3L 4-cylinder liquid-cooled gasoline engine, it delivers 10 hp at the drawbar and 18 hp at the belt. The tractor features a 6-speed friction disc transmission with 6 forward and reverse gears, two-wheel drive, and manual steering. It weighs 3600 lbs and rides on 46x10 steel rear tires. The open operator station and belt pulley dimensions of 10 inches diameter and 6 inches width complete its specifications.