The Unitrak tractor was a product of the Creussen Metal Works in Creussen, Germany. The Creussen works was founded in 1912 and began building tractors after World War II. The primary Unitrak tractor was a variant on the two-wheel motor plow design, with a seat and third wheel at the rear for steering.

Model Power Years
Unitrak UD 12 tractor photo Unitrak UD 12 12hp 1949 - 1955