The Minenräumwagen B I - mine cleaning vehicle I - (Sd. Kfz. 300) was developed by Borgward begining in 1939. The vehicle had a track drive assembly with three road wheels, a hull made of concrete and was radio remote controled.
It was used for towing a trailer with three rollers for mine cleaning. From January to May 1940, 50 Minenräumwagen B I were made.