BORING TRACTOR CORPORATION produced the model 12-25 only.
Aumann Auctions: " One of the unique features of this tractor is the ability to raise and lower the left hand drive wheel when plowing. "
In 1918 the firm was incorporated to build the Boring 12-25. It was equipped with a four-cylinder Waukesha engine. This tractor had a 1919 price of $1485. Production ended about 1922.