The EMD GP9 is a four-axle diesel-electric locomotive built by General Motors' Electro-Motive Division between 1954 and 1959. The GP9 succeeded the GP7 as the second model of EMD's General Purpose (GP) line, [1] incorporating a new sixteen-cylinder engine which generated 1,750 horsepower (1.30 MW). [2]

EMD GP9 and GP9B; Data Sheet Information Compiled by: JEAN-DENIS BACHAND: New: 6 May 2006 : Artwork by: Jean-Denis Bachand-Engine Builder: EMD: ... Center Front Truck to Front Pilot: 2'-04.5" Center Rear Tucrk to Rear Pilot: 2'-04.5" Distance between Truck Centers: 40'-00" Minimum Turning Radious: 39 degrees --

Dec 19, 2024 · The following GP9 was nearly identical in appearance. However, the model, as part of EMD's so-called "9 Line," offered greater horsepower and even better reliability. By the mid-1950s, and the GP7's success, railroads had largely lost …

Dec 16, 2024 · What has arguably been described as the best engineered, four-axle suspension system ever put into service on a locomotive was the Blomberg Truck, named after its designer Martin P. Blomberg. He was born in Sweden during the late 19th century during which time he attended college.

The EMD GP9 is a four-axle diesel-electric locomotive built by General Motors' Electro-Motive Division between 1954 and 1959. The GP9 succeeded the GP7 as the second model of EMD's General Purpose (GP) line, incorporating a new sixteen-cylinder engine which generated 1,750 horsepower (1.30 MW).

GP9: Date Built: April, 1955: Construction Number: 19978: S.P. Order Number: 5369-2: Weight: 259,720 pounds: Length: 55' 9" (over coupler pulling faces) Maximum Height Above Rail: 14' 6" Width Over Handrails: 10' 3" Original Maximum Speed: 71 mph (61-16 gear ratio) Interim Maximum Speed: 77 mph (60-17 gear ratio) Current Maximum Speed: 65 mph ...

Weight Rear Truck 123,000 lbs. Total Locomotive Weight 249,000 lbs. Gear Ratio 62:15 Cont. Tractive effort 45,200 lbs. Min. Continuous Speed 11.8 MPH Max.

General Motor's Electro-Motive Division produced the GP (General Purpose) locomotive to address road switching operations. These road switchers were built between 1949 and 1963. In total, approximately 2,700 GP7's were built and 3,400 GP9’s – …

USA Trains has released is second diesel, a GP-7 or GP9 depending on the road name desired. My first impression is that this is a fine engine. It runs very smoothly and pulls very well. The GP-7 and the later GP9 were developed by EMD and first released in 1949.

The EMD GP9 is a model of diesel-electric locomotive that was manufactured by General Motors Electro-Motive Division (EMD) and General Motors Diesel (GMD) for several railroads. A total of 4,092 EMD GP9 locomotives were ever built by General Motors’ Electro-Motive Division (EMD) between 1954 and 1959.