The model numbers 172961 - 73103 are associated with the VIO55 - 5, VIO50, and VIO57 series of excavator hydraulic pumps. These pumps are manufactured by Kayaba (KYB), with the specific pump model PSVD2 - 17E - 19. “Pompa Idraulica” is the Italian term for hydraulic pump, indicating the product's nature.
Application
These pumps are specifically designed for use in excavators. They play a crucial role in providing the necessary hydraulic power to drive various functions of the excavator, such as arm movement, bucket operation, and slewing.