They are fixed displacement inclined axis piston pumps. They are hydraulic pumps used in on-vehicle equipment. It has a fixed displacement and displacements in the range of 41 cm³ - 110 cm³.
You can directly connect with PTO.
Pressure range can work at 350 Bar continuous - 400 Bar peak pressure.
Right and left return pumps are available. The pump rotation direction can be reversed by turning the rear cover 180°.