The ZIL-131 is a general purpose 3.5 tonne 6x6 army truck designed in the Soviet Union by ZIL.

The basic model being a general cargo truck.

The ZIL-131 was introduced in 1966; it is a military version of the ZIL-130, and the two trucks share many components.

The ZIL-130/131 was in production at the AMUR truck plant (ZIL-130 as the AMUR-531350 and ZIL-131 as the AMUR-531340), with both gasoline and diesel engines, from 1987 until 2012 when AMUR shut down and filed for bankruptcy.

[2] ZIL-131 were equipped with diesel engine ZIL-0550 made by Ural Automotive Plant[3] since 2002.