m. Lkw., off. (o) & m. gl. Lkw., off. (o) für Betriebsstoff
With the mittlerer Lastkraftwagen, offen (o) respectively the mittlerer geländegängiger Lastkraftwagen, offen (o) für Betriebsstoff, fuel drums or jerry cans were transported. Often, a 150 litres oil barrel was also carried along.