The main aim of this project to provide an improved lubrication system for Wire Rope of Harbor Mobile Cranes, due to the multifunctionality of Harbor mobile cranes makes them effective for all areas of application in the harbor as a material handling machinery to load and unload of the ship for Break and Bulk cargo handling. Such Re-lubrication system can be installed in the line of rope reeving for effective and optimize lubrication of wire rope. Use of this techniques optimizes the use of resources and contributes to reducing the operation and maintenance cost.