Abstract: A method to select, evaluate and recommend optimal rod pumping system design for a downhole well. The method includes the steps of selecting at least one downhole rod type as a setup preference, selecting at least one pumping unit type as a setup preference, and selecting at least one motor power meter type as a setup preference. Well information, including depth of a pump and run time, is entered as a case input. Additionally, a target production for the well is entered. Records are retrieved from a database wherein the records contain input data on each downhole rod type, each pumping unit type, and each pump motor type. Data is merged from all the case inputs, all of the setup preferences, and from the database records. Scores of gearbox loading, structure loading, system efficiency, rod loading, minimum polished rod loading and bottom minimum stress are calculated and then combined to determine a calculated percentage score for each pumping unit type for the downhole well.