Specialised, tank truck 4685-0000010-01 based on chassis URAL-4320-1151-71, URAL-4320-1151-73, URAL-4320-1151-75, URAL-432

The tank truck is designed for transportation and short-term storage of food liquids (drinking water), density not more than 1,03 g/cm³. Version "A" without volume measuring devices.
Centrifugal pump NTSS-50-7,1-20 with a head of 20 m at a nominal capacity of 25 m³/hour is installed on the tank in the insulated compartment at the rear end of the tank.
The pumping unit provides three operating modes with water supply capacity of 25 m³/hour at a head of 20 m, self-priming height of 5 m.:
-filling the tank;
-discharge of liquid from the tank;
- pumping of liquid bypassing its own tank.
On-board pumping unit has a reliable hydraulic drive from KOMA of the base chassis engine. At the limit filling of any of the fully autonomous sections, the light and sound signalling is automatically activated and the filling pump is automatically stopped.