The EMD SD7 is a model of 6-axle diesel locomotive built by General Motors Electro-Motive Division between May 1951 and November 1953. It had an EMD 567B 16- cylinder engine producing 1,500 horsepower (1.12 MW) for its six traction motors.

SD7 Total Length: 60'-08.5" Wheel Diameter: 40" Truck Wheel Base: 13'-07" Height to Top Engine Hood: 13'-10.5" Height to Top Cab : 15'-00" Cab Width: 10'-00" Top of Walkway: 8'-08.5" Walkway Width: 5'-04.5" Engine Hood Width: 7'-00" Distance between Truck Centers: 35'-00" Distance between Truck Centers: 48'-07" Minimum Turning Radious: 57 ...

Dec 17, 2024 · The SD7 was the Geep's larger cousin, sporting a C-C truck arrangement that offered greater tractive effort on a longer frame but was otherwise identical. At the time, there was little interest in such a design; comparable models sold by …

The SD7/9/10 Locomotive Features: • Measured from a living SD9 • Road-specific details for each model variant • Separate grab irons and handrails installed at the factory • Operating headlights, rear lights, white class lights AND beacons (where appropriate). • Highly detailed cab interior

May 16, 2023 · SD7 and SD9 locomotives The Electro-Motive Division’s original six-axle diesel-electric road switchers were the SD7 and SD9. Producing 1,500 and 1,750 hp, respectively, they set the stage for larger and more powerful six-axle locomotives that would come to …

Most SD7's at one time or another were assigned to the Northwestern Pacific, duty on the NWP required spark arrestors not only over the engine exhaust stacks but also the steam generator stack. See photo's for general shape and style.

Jul 9, 2010 · Notable features included the addition of Horst paper air filters, four-stack exhausts and the high hood being chopped down with a rounded short-nose style cab. These could be found working in Chicago all the way to the western end of Milwaukee in Seattle.

In the following, we will look at the different types of EMD SD locomotives that have been in production since decades. 1. SD7. EMD SD7 locomotive have been in production from 1952 to 1953. A total of 188 SD7s were produced during that period. A 1500 hp engine (1.1 MW) powers the SD7 locomotive. The prime mover of the locomotive is EMD 16-567B. 2.

Jun 30, 2009 · The Electromotive Division SD7 is a 6 axle, 1,500 HP diesel-electric locomotive built by EMD from 1952 to 1953. Like the 4 axle GP7 , it uses a 16 cylinder 567B prime mover rated at 1,500 HP. The SD7 was the first 6 axle freight locomotive built by EMD.

An SD7 is a 6-axle road switcher diesel-electric locomotive built by General Motors Electro-Motive Division between May 1951 and November 1953. It had an EMD 567B 16-cylinder engine producing 1,500 horsepower for its six traction motors. 188 were built for United States railroads.