This item fits the following:
Brush Bandit: 150/150XP Disc Chipper (S/N 15900 - Current) 5/8" Bolt Holes, 200/200XP Disc Chipper (S/N 15900 - Current) 5/8" Bolt Holes, 250/250XP Disc Chipper (S/N 15900 - Current) 5/8" Bolt Holes, 254/254XP Disc Chipper (S/N 1085-Current) 3 knives per pocket (6 Total), 280/280XP Disc Chipper (after S/N 141 - 10/96) 5/8" holes, 1850 Whole Tree Disc Chipper
JP Carlton: 2012, 2018D, 2512/2512HD
Salsco: 818XT