The 15 cm schwere Feldhaubitze 13/1 (Selbstfahrlafette) Geschützwagen Lorraine Schlepper (f), abbreviated to 15 cm sFH 13/1 (Sf) LrS, whose identification number was Sd.Kfz. 135/1, was a German artillery self-propelled appeared during the Second World War. Made in less than a hundred copies, the self-propelled vehicle was one of several armored vehicles produced by Nazi Germany with the reuse of captured or obsolete materials: it was an old French artillery tractor Lorraine 37L to which a heavy field bolt had been coupled sFH 13 of 150 mm, without any other substantial modification.

The vehicle was mainly used in North Africa by the DAK of General Erwin Rommel and by the troops placed to defend the Atlantic Wall, operating from the second line with indirect support fire. Only two units survive today.

PBR Material 2k