All States Ag Parts Hydraulic Pump - Economy Bobcat 753 763 751 773 6672513 Fits Bobcat Skid Steer Loader(s) 751 (s/n 515611136-later & 515713122-later), 753 (s/n 508695348-later & 515813845-later), 763 (s/n 512229817763-later & 512441174763-later), 773 (s/n 509616792-509634999 & 509645813-later) Replaces Bobcat OEM nos 6672513 Shaft: 3/4" Splines: 11 For a Dynamatic version of this item use 157626