Fordson tractor Major Super Major 220 diesel I4 rebuilt water pump E1ADKN8505. Up for sale is a professionally rebuilt water pump for the following applications: 1960’s-80’s Fordson Major, Super Major 5000 Tractors 220 4-Cyl diesel engines The casting numbers are E1ADKN8505B and 590E-8505. NOTE: This one has the oval bypass hole on the mounting area as shown in the pictures. All sales are final. All parts are described to the best of our knowledge. Auctiva offers Free Image Hosting and Editing. Auctiva gets you noticed! Track Page Views With.