PTO Clutch Belt replaces John Deere OEM#'s TCU16495. Fits 777 and 797 ZTrak with 72" Decks. Engine to deck belt, 125.7" length x 5/8 width. A&I # A-TCU16495 & 7-078315; Stens# 265-683, 265683; Sunbelt# B1TCU16495; Jason# MXV5-1260; Oregon# 15-039, 15039.