... 3,Meticulous workmanship Specifications : Applicable modelsBoreStrokeSweptWorking SpeedExhaust pressureRated Air DisplacementRated Working SpeedCooling ModeLubricating ModeSpecificationsYC6A260-20Φ90mm46mm293 cm32123r/min0 ... we have QC in each processing department ,like auto air compressor,piston,sampling house,packing section,warehouse. We ... contact us for more details. yuchai A44J1-C air compressor