Ural » 377S
Ural 377S is a tractor version of the base Ural 377 6x4 flatbed truck. Development started in 1962. The next year the first prototypes went to factory tests in combinations with GCW up to 18500 kg. Those prototypes had a soft top from Ural 375, while serial trucks got an all-metal cabin. In 1965, Ural made 50 copies of 377S and finished about 2300 more till 1983.