FANUC A05B-1222-K401 Robot J-4 Gearbox Assembly is a gearbox component designed for the J-4 axis in FANUC robot systems. It is identified by the part number A05B-1222-K401, specifying the exact J-4 gearbox assembly used in compatible installations. In service, the J-4 gearbox assembly transmits motor torque to the J-4 joint to enable controlled motion and precise positioning within the robot.
