Sparex source: https://us.sparex.com/weasler-complete-pto-shaft-wide-angle-one-end-lz-length-1290mm-1-3-8-x-6-spline-slide-lock-to-1-3-8-x-6-spline-ratchet-clutch-12057760.html Product: Weasler Complete PTO Shaft - Wide Angle - One End, (lz) Length 1290mm, 1 3/8'' X 6 Spline Slide Lock To 1 3/8 X 6 Spline Ratchet Clutch To Fit As: 14586449 - Sparex S.12057760 SKU: S.12057760 Listing note: HP Rating @ 540RPM: 52HP, Series:AB4/CAT3 Detail enrichment pending: OEM cross references, fitment, catalog pages, and full specifications.