The largest of International Harvester‘s line of Titan tractors is the 30-60 Titan. This massive beast has a horizontal, two-cylinder side by side engine with a nine inch bore and fourteen inch stroke giving it 1,781 cubic inches of displacement.
International Harvester built the 30-60 Titan at the Milwaukee Works in Milwaukee, Wisconsin from 1915 to 1917 with a total production of 176.
Engine
Above, The two-cylinder side by side horizontal engine in the 30-60 Titan Tractor. The engine starts with gasoline, then switches to run on cheaper kerosene fuel. When the engines running at 335 rpms its rated at 30 horsepower on the drawbar and 60 horsepower on the belt. The engine cylinders have a nine inch bore with a 14 inch stroke, giving the engine 1,781 cubic inches of displacement.
Construction
Transmission
The tractor is gear drive with one speed forward and one speed reverse. The maxium road speed is 2.08 miles per hour.
Starting
The precursor to the 30-60 Titan was the 45 Titan with air start. This tractor used a combination one-cylinder air-cooled gasoline engine and air-compressor to pump up compressed air into a tank. Using a special cam and valve, the engine was turned over with compressed air to start.
This proved to complicated and I’m assuming too expensive. After one year of production, the idea was scraped.
The International Harvester 45 Mogul and 30-60 Mogul tractors on the other hand had a much simpler solution. The starter is a one-cylinder, air-cooled engine with a friction pulley mounted on a base with an eccentric cam. Pulling a lever pushes the friction pulley into the flywheel and turns the engine over.
When International switched to the 30-60 Titan design, they went away with the complicated air-start setup. Instead they took the starting engine setup from the Moguls, designed a new base and stuck it on the other side of the tractor. The engine is started then the operator goes inside the cab and pulls a lever to pull the friction pulley into the flywheel. This configuration gives the operator complete access to all the engine controls while the starting motor turns the engine over.
Survival
Only three International Harvester 30-60 Titan tractors are still known to exist and are all in private collections.
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