Krauss-Maffeir in Munich took charge of an 8-ton half tracks. Because this firm had given attention and study to half tracks since 1928, they completed a prototype, named KMm7 as early as 1933. It soon developed into the KMm8 and KMm9, and in 1936 the KMm10 was put into production. It was not until the KMm10 was born that the 8-ton half track was officially designated "Medium 8-ton Tractor (Sd.Kfz-7). The last production model, KMm11 was completed in 1938 and put into production immediately.
The production of the 8-ton half track totaled about 1,200 in number by the end of World War II. One of these models was the 8-ton half track with 20mm four-barreled AA machine gun (Sd.kfz 7/1)