Sikes SA7V90R variable piston pump is Ningbo Guang Tian Sikes production of the star product. Figure: SA7V90R variable displacement piston pump SA7V90R is a swash plate type axial piston pump with constant power control and load-sensitive control, compact structure, with a pilot gear pump for construction machinery, construction machinery and mining machinery Open hydraulic system, especially suitable for 8-10 tons of excavators. The detailed product parameters are as follows: