The 5P85SU is the "Master" vehicle of S-300 PMU SA-10C Grumble C surface-to-air missile battery, it controls and command two systems 5P85DU. The 5P85SU is identifiable thanks to the large equipment container behind the compartment of the driver. The 5P85SU carries four missile silos (one missile by silo) mounted to the back side of the chassis. During launching the silos are drawn in vertical position, to the back side of the truck.
Surveillance radar 64N6E Big Bird, 30N6-1 illumination and guidance radar or acquisition radar ST-68U Tin Shield - 5N66 Clam Sheel 40V6M. New option LEMZ 96L6 Cheese Board early warning and acquisition radar