Rapido is proud to announce the EMD SD7, SD9 and SD10 locomotives! The SD7 was General Motors Electro-Motive Division’s first foray into 6-axle power. The “SD” stood for Special Duty, while the 7 was carried over from the 4-axle GP7 series.

Thanks to requests from railroads, EMD’s engineering staff began work on a longer six-axle version, the SD7, with the additional two axles with traction motors providing more tractive effort as well as improved weight distribution, a Special Duty diesel-electric locomotive ideal for use in heavy duty, low-speed service.

Dec 3, 2024 · Built by EMD as Milwaukee Road SD7 #2209 (6/1952), renumbered to MILW #509. Rebuilt and upgraded to SD10 standards (1975) and renumbered to MILW #534, then to SOO #534.

Most of the Milwaukee Roads SD10s were sold to the DM&E, but three were retained by the Soo. The 534 is on lease to the DM&E leading a Northbound on the C&NW. This former Milwaukee Road units gets some heavy repair work done.

Jul 9, 2010 · Rapido is proud to announce the EMD SD7, SD9 and SD10 locomotives! The SD7 was General Motors Electro-Motive Division’s first foray into 6-axle power. The “SD” stood for Special Duty, while the 7 was carried over for the 4-axle GP7 series.

Oct 16, 2023 · Rapido is proud to announce the EMD SD7, SD9 and SD10 locomotives! The SD7 was General Motors Electro-Motive Division’s first foray into 6-axle power. The “SD” stood for Special Duty, while the 7 was carried over from the 4-axle GP7 series.

Electro-Motive SD7 Locomotives 2200, Class 15E-RS6, was built in April 1952, #15612. It was renumbered 500 in 1959 and rebuilt at West Milwaukee in July 1974 as 559, Class 18E-RS6 .

Each locomotive is listed by serial number. Operational at the Allentown and Auburn Railroad in Kutztown, Pennsylvania. Operational at the Heber Valley Railroad in Heber City, Utah. Named "Village of Westmont" by BN when rebuilt as an E9AM. Stored, awaiting delivery to the Southern California Railway Museum (SCRM) in Perris, California.

The SD7 was General Motors Electro-Motive Division’s first foray into 6-axle power. The “SD” stood for Special Duty, while the 7 was carried over for the 4-axle GP7 series. This new series of locomotives provided extra tractive effort spread and weight distribution across the six-axle trucks.

Feb 17, 2025 · Rapido HO EMD SD10, Standard DC, Soo Line #543. Rapido Item #: 50236. The SD7 was General Motors Electro-Motive Division’s first foray into 6-axle power. The “SD” stood for Special Duty, while the 7 was carried over for the 4-axle GP7 series.