The barrel of the schwere 15 cm Kanone 16 mit vereinfachter Unterlafette - heavy 15 cm cannon 16 with simplified bottom gun carriage - was transported with the Rohrwagen für schwere 15 cm Kanone 16 - barrel wagon für 15 cm cannon 16 - (Af. 8).
Bevore the 15 cm Kanone 16 was converted to motorised towing, also the Rohrwagen had wheels with all steel tread.