SD2:Sd.Kfz. 135/1 150mm

 is a German Artillery unit in Steel Division II.

Background
A conversion of a Lorraine artillery tractor undertaken by Major Alfred Becker of Baukommando Becker between 1942 and 1944. Combining a 150mm field howitzer with the reliable design of the tractor created an effective self-propelled artillery piece.

II and III Bataillon in Panzer-Artillerie-Regiment 155 of the 21. Panzer has one Battery equipped with PzH. Lorraine(f) 150mm with the other two batteries equipped with PzH. Lorraine(f) 105mm. In 9. (SiG) Kompanie of the 21. Panzer 's two Panzergrenadier Regiments has six 15 cm IG auf Lorraine.