As one of the most unique and iconic six axle heavy yard switchers, the EMD SD9 was a popular locomotive among North American railfans.
The EMD SD9 was a 1,750hp six-axle (C-C) diesel road-switcher powered by EMDs highly successful two-stroke 567C V-16 diesel power plant. In total there were 471 SD9s built by Electro-Motive between 1954 and 1959 and was the immediate successor of the very similar, 1,500hp SD7, introduced in 1952.
In basic terms, the SD9 was a lengthened GP9 with six axles rather than the GP9’s four axles. ‘SD’ stood for ‘Special Duty’ and was reflective of the unit’s extra lugging ability and lighter axle loadings that were achievable from using a C-C rather than a B-B wheel arrangement. The SD9s were primarily based from Provo and used as heavy yard switchers and for local and transfer freight services in the Provo, Salt Lake City and Ogden regions.
Denver & Rio Grande owned a total of 10 SD9s as well as five of the earlier SD7s, with all units originally wearing the distinctive traditional black and orange livery with zebra stripe ends, featuring small ‘Rio Grande’ lettering on the sides of the hoods.
The EMD SD9 for Train Simulator is available in Denver & Rio Grande livery and features advanced braking controls scripted specifically for the Soldier Summit route. Also included are mill gondolas as freight traffic.
- EMD SD9 in Denver & Rio Grande livery
- Advanced braking controls
- Mill gondolas
- Quick Drive compatible
- 3 scenarios for the Soldier Summit route, also available on Steam.
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