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.
Creussen Metal Works - at German Wikibooks
UD 12 | 12 hp | 1949 - 1955 |