YOKE BUTTONS &SHEAR BOLTS YOKE QUICK RELEASE YOKE BUTTONS & SHEAR BOLTS SAFETY WARNING ! U.S. Safety Standards preclude the use of Quick Release Buttons which protrude in the leading direction of rotation when attached to the tractor P.T.O. shaft. Modern Yoke Buttons (as below) protrude in the TRAILING DIRECTION ONLY. Old yokes with Quick Release pins that protrude through the back of yokes MUST BE REPLACED WITH MODERN YOKES. Refer to page PTO 2 "Fast Find" for fast replacement of old, dangerous yokes B82000 Pack of 5 Shear Bolts 1/2" x 3 1/2" Fit most U.S. Shear Bolt Yokes AMB1 for 6N - 12N - 14N - 35N - 44N Shafts "A" replaces 13mm / 13.8mm / 14mm B1090 exclusive BARE-Co design Replaces HARDY SPICER - Early BARE-Co - Early BYPY - LUPPY "A" = 15.8mm AB134 suits large size yokes (8-9 series) with button as illustrated (Old BARE-Co / BYPY types) AB121 suits late type BYPY - BARE-Co shafts AB120 suits large 1 3/4" spline yokes AW138 suits WALTERSCHEID early type AW134 Suits large 1 3/4" spline - early type yokes AW121 suits WALTERSCHEID - BARE-Co late type AW120 suits large 1 3/4" spline yokes B3728 Cotter Bolt for 1 3/4" Splined Bare-Co Clutch B4728 Cotter Bolt for BareCo 8" (200mm) 1 3/8" Splined Clutch B4727 Cotter Bolt for BareCo 6" (150mm) 1 3/8" Splined Clutch