Sprocket 12T, .87"ID x 1.43" wide at hub w/ .25" wide keyway. Hub protrudes approximately .125" one side and .75" on other. Casting number 523658. 66 ALL CROP HARVESTER ("B" SERIES) countershaft, driven.
Sprocket 12T single space. Center hole has Triangle shape opening and .75" round. Hub 1.00" wide x 4.80"OD Casting number 341986 . New old stock. Related to 70323940, 70323942, 70323944,...