AFTERMARKET JOHN DEERE HITACHI QUICK COUPLER WEDGE BAR PN 9763069J 50D 50G 60D 60G. Direct aftermarket replacement for part numbers: 9763069J, 19M8485, 24M7053, 4638489. John Deere Wedge Bar Kit for mini excavators. Used on John Deere Models: 50P, 50D, 50G, 60P, 60D, 60G. Also used on Hitachi Models: ZX50U-5N, ZX60USB-5N. Wedge Bar – 9763069J. Washer- 24M7053 – (2). Ring Pin – 4638489.