Kato 176-9205 N EMD SDP40F, Standard DC, Amtrak #501Kato 176 9205 N EMD SDP40F, Standard DC, Amtrak #501 Part Number: 4949727681566 Description Kato 176 9205 N EMD SDP40F, Standard DC, Amtrak #501 Kato Item #: 176 9205 Prototype Information: The EMD SDP40F was Amtrak's first, official, built to order locomotive (previously they had operated using second hand equipment, such as E8's, F7's and even GG1's). A need for new and more reliable equipment spurred the development of the SDP40F. Based on the