Denning Farm tractors by power

Denning manufactured tractors in Cedar Rapids, Iowa in the early part of the twentieth century. Founded as the Estherville Fence Factory in 1893 by J.M. Denning, the company moved to Cedar Rapids in 1899. In 1912 the company sold its fence machinery and patents and became the Denning Motor Implement Company. Denning was purchased by the General Ordnance Company in 1918 and rebranded as National Tractor.

Sort tractors by Model, Factory or Series

Model	Power	Years
A	13 hp^[B]	1912
E	20 hp^[B]	1916 - 1918
B	26 hp^[B]	1913 - 1915
C	33 hp^[B]	1914

[B]: Engine power estimated from belt horsepower. See individual tractor data listing for power details.

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