Walthers Proto 920-41710 HO Scale EMD SD9 Great Northern GN 595 DCC & Sound Roadname_UPS 14-years of nitro engine development

14-years of nitro engine development have culminated into the most powerful TRX engine ever made

Depending on the interface version

2 Combine Body

Available in World Championship/extremely proprietary M3 (Soft) and M4 (Super Soft) compounds

Walthers Proto 920-41710 HO Scale EMD SD9 Great Northern GN 595 DCC & Sound Roadname_UPS 14-years of nitro engine developmentWalthers Proto 920 41710 HO Scale EMD SD9 Great Northern GN 595 DCC & Sound Power up your HO freight operations with Walthers Proto SD9 diesels! The debut of the SD9 in 1954 marked the next step forward for EMD's Special Duty line of six axle diesels, and introduced the new 567C prime mover delivering 1,750 horsepower. Ideal for demanding assignments in helper, yard, transfer and heavy freight service, with its weight spread over six axles, the SD9