A Two Wheel Tractor: The Indiana tractor, manufactured by the Indiana Silo & Tractor Company of Anderson, Indiana. Four cylinder motor, weight 2,000 pounds. Year 1915.
The Square Turn Tractor, built in Norfork, Nebraska, from 1916 to 1919 carried a three-plow gang under the tractor frame. The engine developed 18 HP on the drawbar and 35 HP on the belt.
The Indiana tractor in the field.
A Three Wheel Tractor: Manufactured by the McIntyre Manufacturing Company, Columbus, Ohio, 1915. Tricycle designone steering wheel in front, one drive wheel in the furrow side and one rear idle wheel. A 4 cylinder Waukesha motor: 12-20 HP. Motor was manufactured by the Waukesha Motor Company of Waukesha, Wisconsin. This company provided motors for many of the early tractor companies.
A Three Wheel Tractor: The Gray tractor was built in Minneapolis in 1915. Drive wheel is a large drum five feet in diameter. 20-35 HP. Waukesha 4-cylinder motor. Weight, 8,000 pounds. Price, $2,150 (which translates to roughly $43,500 in today's money).
The Gray tractor with umbrella.
A Four-Wheel Farm Tractor: The Leonard Tractor Company of Gary, Indiana, produced this tractor in 1917. The 4-cylinder 'Buda' motor developed 30 horsepower on the belt and was designed to pull three plow bottoms. It underwent field trials in Michigan and Canada. This odd machine featured two transmissions: one below the frame and the other above the frame.
An oddball tractor: Tom Thumb Tractor Co. of Minneapolis built the oddball Tom Thumb Tractor in 1915. It was powered by a Waukesha motor which developed 12-20 HP. It was equipped with a Bennett carburetor, a Dixie ignition system, Splitdorf spark plugs and Perfex radiator. Its impractical construction led to its early failure.
1918 oddball: 6-12 HP motor mounted on a simple chassis: La Crosse "Happy Farmer" Tractor, La Crosse, Wisconsin.
Strait's Tractor: This unorthodox tractor was built by the Killen-Strait Manufacturing Company of Appleton, Wisconsin in 1914. It weighed 11,000 pounds and developed 50 HP on the belt. It was priced at $2,250 (which would be about $45,600 today).
A Four Wheel Drive Tractor: 1918, The Heer Engine Company, Portsmouth, Ohio.
The Boring Tractor was manufactured by the Boring Tractor Corporation of Rockford, Illinois.
A Three-Wheel Tractor in 1916: The Kinkead Tractor Company manufactured the K-T tractor in Minneapolis, Minnesota. 12-20 HP, one big drive wheel. Dr. Charles H. Mayo of Rochester, Minnesota, purchased one of these tractors.
A Three Wheel Tractor: This Simplex tractor was built by the Simplex Tractor Company located at 1615 Central Avenue in Minneapolis. The first Simplex tractor was built in 1913. One large drive wheel in the rear. 15-30 horsepower. 4 cylinder motor.
The Nevada Auto Plow manufactured in Nevada, Iowa, featured a 60 HP four cylinder motor to handle a gang of three plow bottoms. A limited number of these tractors were on the market in 1918.
A Two Wheel Tractor: The Line Drive Tractor, Milwaukee, Wisconsin, 1916. 15-25 HP, a 4 cylinder Waukesha motor. Speed 1 to 4.25 miles per hour.
A Two Wheel Tractor: 1917. The John Noble Tractor was manufactured by the John Noble Company in Kansas City, Missouri. 30 HP motor, weight 3,000 pounds. Speed, 2.5 mph; chain drive.
A Three Wheel Tractor: 1914. The Bull Tractor, manufactured by Bull Tractor Company of Minneapolis, Minnesota, sold for $395 (which translates to about $8,000 today). One drive wheel in the furrow; one land idle wheel; one steering wheel in front.
A Two Wheel Tractor: The Moline-Universal Tractor, 1915. Manufactured by the Moline Plow Company, Moline, Illinois. Weight 2,800 pounds; Holley carburetor, Dixie magneto. Wheels were 52 inches in diameter with an 8-inch face.
Sketch of the Line-Drive Tractor pulling a load of hay. A ridiculous mechanical idea!