An excavator rubber track(J track) with a 19/16 inch sprocket inside guide width, this rubber track is 17.72 inches wide and has 76 internal metal crossbars that are 3.19 inches apart when measured from center to center. This rubber track will fit the following models; Komatsu style PC60-5, PC60-6, PC60-7, PC75-1, PC75-2, PC75-3, PC75UU, PC75UU-2, PC75UU-3; Yanmar style VI70, VI75.