Schwerer Wehrmachtschlepper

The Schwerer Wehrmachtschlepper (sWS; "Heavy Military Tractor") was a German World War II half-track vehicle used in various roles between 1943 and 1945. The unarmored models were used as supply vehicles and as tractors to haul artillery.

Source: Wikipedia — Schwerer Wehrmachtschlepper (CC BY-SA 4.0)