hydraulic variable displacement truck pump series VP1 featuring high self-priming speed and high efficiency and is one of the leading truck pumps in the market. The VP1 pump can be close-coupled to a gearbox PTO (power take-off) or to a coupling independent PTO (e.g. an engine PTO) which meets ISO standard 7653-1985. VP1 Pumps provide circuit reliability at speeds up to 3000 rpm and 420 bar (6,100 PSI).