Bull Tractor Co.

Big Bull (1915-1920)

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Tractor Info


The Big Bull emerged in 1915. It had a 7-20 horsepower rating, weighed 4,500 pounds, and originally sol for $585. The price was increased to $645 in 1916. By 1917, the engine was enlarged to 12 drawbar and 24 brake horsepower. In addition , a land wheel drive was added but the large drive wheel was retained, as was the leveling device used on earlier models. A drilled crankshaft provided positive lubrication. By 1920, the Bull Tractor Company was bankrupt.

Tractor Info

Engine: Twin-Cylinder


Bore & Stroke:



Fuel: Gasoline

Main Fuel Tank Cap:

Aux Fuel Tank Cap:


Cooling Capacity:

Drawbar HP: 12

Belt PTO HP: 24



Width: Height:

Number of Gears:


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Last Updated: January 17th, 2023

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