Favorite this☆ 1954 Mack rail buses Description: View of two 1954 Mack rail buses. Handwritten on back: "Two FDC rail buses in multiple unit. Each rail bus powered by: 200 HP Mack diesel drives, 300 volt generator, 55 HP DC traction motor on each axle (4 per car). Built 1954 by Mack." Details Resource ID: na048845 Subject: Road-rail vehicles Mack Trucks, Inc. Photographic prints Date Issued: Unknown year Format: 1 photographic print ; 4 x 5 in. Member of: National Automotive History Collection Filing Location: MS121/VanDegrift, Thomas, 12:11 Rights: Physical rights are retained by DPL. Copyright is retained in accordance with U.S. copyright laws.