KUBOTA D600, Reman Kubota Engine to fit Steiner Tractor,Walker Mower, Grasshopper Mowers and many more application ,There is core charged added to the selling price. All engine are built with Kubota Oem parts, We are a Kubota Engine Service Center all reman engine carry one year warranty ,We also carry New Kubota Overhaul kit and parts & New Kubota replacment motors, please call for more details