@solismotor: Same bolt holes. Same behavior? Not enough information. A spare can use different command units or a different zero reference. Keep its configuration with the robot's records and verify the affected axis before service. The example is generic, not a claim that two real models are interchangeable. For the full guide, type solismotor.com into your browser and search the blog for "Why Robot Joint Actuators Are Moving Toward Integration". #Robotics #SolisMotor