Appliedinthelifting,driving,slewing,andboomextensionmechanismsofcranesCenterDistance250,350,400,500,650,750,850,1000GearRatio48.57,40.17,31.5,23.34,20.49,15.75,12.64,10.35,8.23Low-SpeedShaftTypesP-Type(FlatKeyShaftExtension),C-Type(GearShaftExtension),H-Type(SplineShaftExtension)Categories:Gearboxes