Jagdpanzer IV The Jagdpanzer IV (Sd.Kfz. 162) was a tank destroyer based on the Panzer IV chassis. The Jagdpanzer IV was initially equipped with the 7.5 cm PaK 39 L/48, but later versions were equipped with the 7.5 cm Pak 42 L/70. Jagdpanzer IV destroyed by air attack near Dasburg. Jagdpanzer IV destroyed by air attack near Dasburg. See Also: Pz. Jäg. IV für 7.5 cm Pak 39 (L/48): Self-Propelled Antitank Gun