1900 CAT A26B AUGER , 178-3593 PINS, BUCKET, BHL-F, 45MM-50MM, 227-4359 AUGER, A68, BHL, 45-50MM, A26B AUGER, AUGER HAS COUPLER ON IT TO FIT BACKHOES 416C. 416D, 416E, 416F, 420D, 420E, 420F, 422E, 422F, 422F2, 424D, 426C, 427F2, 428, 428C, 428D, 428E, 428F, 428F2, 430D, 430E, 430F, 432, 432D, 432E, ETC ETC ETC, Online Owner's Manual ,