
90R55: The nominal displacement of the 90R55 pump is 55 cubic centimeters per revolution (cm³/rev).
90R75: For the 90R75 pump, the nominal displacement is 75 cm³/rev.
90R100: The 90R100 pump has a nominal displacement of 100 cm³/rev.
90R130: The 90R130 pump features a nominal displacement of 130 cm³/rev.
90L100: The 90L100 pump has a nominal displacement of 100 cm³/rev.
90L75: The 90L75 pump has a nominal displacement of 75 cm³/rev.
90L55: The 90L55 pump has a nominal displacement of 55 cm³/rev.