This second version of the Patton series originated upon request of United States Forces engaged in the Korean War. It went into production with American Locomotive Corporation in 1950 and saw its very first action in korea. Compared to the M-46 and older predecessor, the M-47 revealed some essential improvements, including a stabilizing product for the tools and encreased firing ability.Although it had come out some to try out a decisive part on Korean War theater, this car proved therefore versatile that the United States soon furnished all NATO armies with it, included in this those associated with the German Federal Republic, Italy, France among others.