Skd 706 RTO LUX
From Workers & Resources: Soviet Republic Official Wiki
Skd 706 RTO LUX is a road vehicle that can be used to transport workers.
The Skd 706 RTO LUX is modeled after Škoda 706 RTO.
In the game it's shown that Skd 706 RTO LUX is produced between 1956 - 1972, but it's actually available for purchase between 1953 - 1972.