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]

Featuring a V-12, 1,800 hp (1,300 kW) 251B diesel engine, the RS-11 was ALCO's answer to EMD's very successful GP9. The turbocharged RS-11 accelerated faster, had a higher tractive effort rating and typically used less fuel than the competition.

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 …

Apr 28, 2023 · Phases - GMD GP9. Although relatively few GP7's were built for Canadian railroads, several hundred GP9's were built by GMD, largely for CN and CP. While the phase details were generally the same as on US-built units, …

GP9 and GP9B Total Length: 56'-02" Wheel Diameter: 40" Truck Wheel Base: 9'-00" Height to Top Engine Hood: 13'-11" Height to Top Cab : 14'-06" Cab Width: 10'-03" Engine Hood Width: 10'-00" Top of Walkway: 8'-09" Walkway Width: 4'-07.5" Center Bolster: 31'-00" Center Front Truck to Front Pilot: 2'-04.5" Center Rear Tucrk to Rear Pilot: 2'-04.5 ...

Baltimore & Ohio Photographic Roster, Locomotive Model: GP9. Unit # Notes Model Serial # Pictures : BO 679: re# 6429 in 1957, traded to EMD 09/84

The 3 ALCo RS11 demonstrators, plus an order for another 7 more, filled the number series until the next order of GP9's. SP went back for more GP9's in 1956, with #5730-5799 being delivered February of 1957, continuing through to April 1957.

The ALCO RS-3 is a 1,600 hp (1.2 MW), B-B diesel-electric locomotive. It was manufactured by American Locomotive Company (ALCO) and ALCO's subsidiary Montreal Locomotive Works (MLW) from May 1950 to August 1956, and 1,418 were produced — 1,265 for American railroads.

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).

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 – …