Exterior Parts & Accessories. Interior Parts & Accessories. Heavy Equipment Parts & Access. Engines & Engine Parts. Radiator 4616078 For John Deere Excavator 50D Hitachi ZX40 ZX50 ZX55. For John Deere Excavator 50D. Please make sure it will fit your machine before purchasing it. If you are not 100% sure this is what you need, please find out your engine model, series number and contact our Customer-service. If you have any questions or would like to know if the product is suitable for your machine, please provide us with your engine nameplate and serial number and we will confirm this for you. Please check pictures for more details. Communication is the best way to solve the problem. Communication is very, very important for us to do business online.