The ZiS-6 Parm1b was the 3-axle version of the ZiS-5 2-axle truck.
It was built from 1933 until October 1941 at the Moscow plant and reached a total production of 21,239.
Its payload capacity varied from 2.5-ton on ground to 4-ton on highways.
The robust and reliable base was used for a plenty of different bodies, among them the mobile workshop »PARM-1b«.

Note : All truck drawings are based on the excellent line-drawings of Mr. N. Polikarpov in the Russian magazine M-Hobby.