A hydraulic arrangement comprising a hydraulic actuator , a lock valve and a hydraulic circuit , the lock valve comprising: a valve housing coupled to the hydraulic actuator , the valve housing defining a chamber in selective fluid communication with a hydraulic circuit ; a valve body received within the chamber and responsive to the hydraulic circuit to move to an unlock position in which the lock valve is unlocked, the valve body including: a rod having a first end and an opposite second end ; and a head coupled to the rod between the first end and the second end , the head responsive to the hydraulic circuit to move the valve body to the unlock position, and in the unlock position, the first end of the rod extends outwardly from the valve housing to visually indicate the lock valve is unlocked, characterized in that the valve housing further comprises a window and the first end of the rod is viewable through a portion of the window to visually indicate the lock valve is unlocked, and that the valve body further comprises a biasing member and a valve seat coupled to the rod and a second window , the biasing member moves the valve seat to a locked position in which the lock valve is locked and in the locked position, the second end of the rod is viewable within the second window to visually indicate the lock valve is locked. a valve housing coupled to the hydraulic actuator , the valve housing defining a chamber in selective fluid communication with a hydraulic circuit ; a valve body received within the chamber and responsive to the hydraulic circuit to move to an unlock position in which the lock valve is unlocked, the valve body including: a rod having a first end and an opposite second end ; and a head coupled to the rod between the first end and the second end , the head responsive to the hydraulic circuit to move the valve body to the unlock position, and in the unlock position, the first end of the rod extends outwardly from the valve housing to visually indicate the lock valve is unlocked, characterized in that the valve housing further comprises a window and the first end of the rod is viewable through a portion of the window to visually indicate the lock valve is unlocked, and that the valve body further comprises a biasing member and a valve seat coupled to the rod and a second window , the biasing member moves the valve seat to a locked position in which the lock valve is locked and in the locked position, the second end of the rod is viewable within the second window to visually indicate the lock valve is locked. a rod having a first end and an opposite second end ; and a head coupled to the rod between the first end and the second end , the head responsive to the hydraulic circuit to move the valve body to the unlock position, and in the unlock position, the first end of the rod extends outwardly from the valve housing to visually indicate the lock valve is unlocked, characterized in that the valve housing further comprises a window and the first end of the rod is viewable through a portion of the window to visually indicate the lock valve is unlocked, and that the valve body further comprises a biasing member and a valve seat coupled to the rod and a second window , the biasing member moves the valve seat to a locked position in which the lock valve is locked and in the locked position, the second end of the rod is viewable within the second window to visually indicate the lock valve is locked. <EOS>