Pedro Roquet produces hydraulic gear pumps and motors for fluid power applications (not suitable for water or chemical use) in five size ranges : All of the pumps from 2cc (0.12in3) /rev are also available as motors and flow dividers. We do lots of different shafts, flanges and bodies - European / American / some Japanese as well as specials for various tractor makes etc. (see example John Deere Combine 955). Drawings of the SAE AA, A, B and C (American) mountings can be found in the relevant gear pump range pages. For other drawings, please request catalogue.