The Ausf B ohne Aufbau used the same chassis as the Ausf B, but deleted the superstructure and turret. Designed to provide panzer units with a tracked recovery and repair vehicle, 164 were produced alongside the standard Ausf B vehicles. However, the introduction of larger tanks left it unable to do recovery work and by 1940 it was being transferred to training duties. Versus the Ausf B it was much lighter (4.0 tons) and shorter (1.35 m). Like the Ausf A ohne Aufbau, the compartment was open topped, but the hull was armored
