T33689 Bushing, Swing Tower to Boom - Fits John Deere Backhoe Bushing 410Two New Aftermarket Replacement T33689 Swing Tower to Boom Bushings Fits John Deere 410 and 500 Backhoe Loaders This listing is for two (2) aftermarket replacement bushings that fit at the swing tower to boom pivot joint on Fits John Deere backhoe loaders. These bushings seat at the critical swing tower connection point where the boom attaches, absorbing load and reducing metal on metal wear at one of the highest stress pivot locations on the backhoe.