Jens Bukh found his company in Denmark in 1904, building engines. The company became very successful with their diesel and marine engine lines during the following decades. Farm tractors were built between 1956 and 1968. Bukh was purchased by Aabenraa Motorfabrik in 1994, which continues to build engines with under the Bukh name.
Bukh-traktor.dk - site devoted to the history of Bukh tractors
Aabenraa Motorfabrik - manufacturer of Bukh engines