The HE shell weighed 32.7 lbs and was fired at a muzzle velocity of 1,772'/sec.
The turret could be lifted off the chassis and put on the ground for use. The arms for lifting were located above the tracks.
The PzKpfw IV chassis was the one used for the Heuschrecke.
The Waffenträger used a PzKpfw 38(d) chassis. The chassis was lengthened and two additional road wheels were added on each side.