The SdKfz 11's primary use was to be an artillery tractor that would tow one of the following:
Towards end of war they ended up towing larger guns than designed to do such as the 88 mm Pak 43 and 88 mm Pak 43/41.
Wood replaced the metal superstructures in later vehicles when materials became scarce.
The first prototype was available in 1934. After several changes the SdKfz 11 went into full production in 1939.
The Luftwaffe used the SdKfz 11 to tow the 3.7 cm Flak 36 and 3.7 cm Flak 37.