Weighing in at 71.7 tonnes, armed with a lethal 12.8cm PaK 44 L/55 gun, maximum speed of 34km/hr. The Sd.Kfz. 186 Jagdtiger entered service in late 1944 and it served on both the Eastern and Western Fronts, with around 80being produced. The first 11 Jagdtigers manufactured were based on a Porsche suspension system (using a paired external torsion bar suspension with eight single road wheels).