Door closer testing machines are custom built to test oil flow, torque, durability, and stability. An operator manually loads and unloads the parts. There are 2 nests in this machine. You can request your desired function before machine manufacturing. Testing the existence of the oil inside the body and matching the torque request or not are the main functions of this machine. If customer needs more functions, like the life durability, the stability, and so on, we can match your request.