Machine description: 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,... more info about the Caterpillar A26B AUGER.