46. Pumping unit.

Pumping unit, mounted on KRAZ vehicle chassis made in the USSR. It was used to do cementing jobs on casings in boreholes. The unit has 2 pumps of compressing ability to the pressure of 320 atm, water tanks and a hopper for mixing cement with water. They are driven by a separate combustion engine and by the vehicle engine. The units were also used in the hydraulic fracturing jobs in oil wells.