There were only 3 models in this linup. The WU20X/WC20X like above--heavy wash, normal wash, rinse ^& dry, plate warmer. the WC40X/WU40X had the same dial with the same cycles. But had 3 buttons: Rinse & Hold, Wash only (no heat dry) and Wash & Dry (heated dry). The WC60X/WU60X was the all push button rapid advance timer model, TOL.