Apr 30, 2024 · I recently purchased a common Rock Island Proto 2000 GP. On the box it says it’s a GP9 series 2. But it looks more like a GP7 to me. I stripped the paint off and primed it because I’m going to re-paint it in RI blue and white. I’m just wondering what exactly this would be? Aside from a HP increase what are the visual differences?

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] .

Feb 21, 2016 · GP7, GP9, GP18 The main differences were internal not external. The most visible difference is the size and number of radiator fans (excluding the optional dynamic brake fan) but the GP7 and early GP9 had the same fans, that is 4 small fans. Latter GP9 had two larger fans.

Oct 22, 2011 · According to original "Diesel Spotters Guide" on pg. EMD-25, "The GP-7 has three or four louvers below the cab and two vertical rows of louvers under the radiator shutters at the far end of the long hood. The GP-9 has one or no louver beneath the cab, and lacks the two vertical rows under the radiator shutters.

According to original "Diesel Spotters Guide" on pg. EMD-25, "The GP-7 has three or four louvers below the cab and two vertical rows of louvers under the radiator shutters at the far end of the long hood. The GP-9 has one or no louver beneath the cab, and lacks the two vertical rows under the radiator shutters.

Apr 13, 2014 · First the obvious differences between the GP7 and GP9. For all practical purposes the amount of louvers on maintenance doors and battery boxes are the only real visual difference. (In real life it came down to HP, 1500HP vs. 1750HP)

While they share some similarities, there are a few key differences between these two models: The GP9 was designed to be more powerful than its predecessor, the GP7. The GP7 had a 16-cylinder 567C engine that produced 1,500 horsepower (1,119 kW), while the GP9 was equipped with a 16-cylinder 567D3A engine that generated 1,750 horsepower (1,305 kW).

EMD GP9 / GP-9B, Class EFS17m. An EMD GP9 is a four-axle road switcher diesel-electric locomotive built by General Motors' Electro-Motive Division produced between 1954 and 1959 and it is powered by a sixteen-cylinder engine which generated 1,750 horsepower. The GP9 succeeded the GP7. The lettering "GP" stands for "general purpose".

Dec 19, 2024 · The GP7 and GP9 were nearly identical and it required a keen eye to spot the notable differences. The most recognizable was the addition of a stainless steel, "GP9" model nameplate located just forward of the battery box ahead of the cab.

Jun 15, 2008 · Does a Gp7 and a GP 9 have the same look, except for the difference in horsepower? The GP7 was a 1500 hp engine produced by EMD in the early 50’s. It was replaced in the EMD catalog in 1954 by the 1750 hp GP9. A GP7 has 2 full rows of louvers at the rear of the carbody, and 3 single louvers on the battery boxes under the cab.