The EMD GP9R was a rebuild from EMD GP9 diesel locomotives that were rebuilt by the Chicago and North Western Transportation Company, Grand Trunk Western Railroad, Southern Pacific Transportation Company.

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] .

Nov 15, 2024 · EMD GP9R Roster Details. In the late 1980s, the GTW decided to rebuild a portion of its aging GP9 fleet, which even then was the backbone of the Trunk's fleet, into modern GP9-equivalents. Original GTW units, along with some that had been reassigned from the Central Vermont and Grand Trunk Railways, were selected to be rebuilt.

SP and subsidiary T&NO, both bought EMD GP9's with steam generators, and dual control stands, for passenger service on their respective lines. see TNO pass GP page for information on these units.

The Southern Pacific GP9E and GP9R are rebuilds from EMD GP9 diesel locomotives that were built by General-Motors Electro-Motive Division for the St. Louis Southwestern Railway (also known as the "Cotton Belt Route") and the Southern Pacific Transportation Company.

Regardless of each unit's ancestry, C&NW considered a rebuilt 1,500 horsepower unit, with an EMD 567BC engine, to be a "GP7R", and a rebuilt 1,750 horsepower unit, with an EMD 567C engine, as a "GP9R".

Starting in 1989, the Grand Trunk Western began a major rebuild project. This project resulted in 36 GP9r's; the only visible difference between the GP9 and the GP9r is these units all have a low front hood.

Starting in 1989, the Grand Trunk Western began a major rebuild project. This project resulted in 36 GP9r's; the only visable difference between the GP9 and the GP9r is these units all have a low front hood.

Introducing the Grand Trunk Western GP9R in HO scale by Motown Models. A staple of GTW motive power in Michigan and beyond, the GP9R was a product of the Grand Trunk’s aging EMD GP9 fleet. The Battle Creek shops created a workhorse that can still be found on the rails today.

CLNA 4630 is the last ramining GP9R waiting to have work completed so it can go into service. Photo taken w/ permission. CLNA 4630 sits outside of the loco shed after receiving her new coat of paint.