Russian Zil-131V towing PR-11 SA-2 Guideline 1:35Product introduction: The ZIL 131 is a general purpose 3. 5 tons 6x6 army truck designed in the Soviet Union, the basic model being a general cargo truck. Variants include a tractor trailer truck, a dump truck, a fuel truck. The ZIL 131 also serves as a platform for the 9P138 rocket launcher, a 36 tube variant of the BM 21 "Grad". The ZIL 131 is part of a family of two trucks sharing identical components by ZIL, which also included the ZIL 130. Both