Many received new numbers while still in Black Widow paint. Starting in 1970 with #3424 all existing GP9's were rebuilt into GP9E's and GP9R's. see the SP GP9 Overview for Magazine/Book References and available models.

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]

Starting in 1970 with #3424 all existing GP9's were rebuilt into GP9E's and GP9R's with the number series beginning at #3300. Because of the internal differences of the three 'Phases', different 'rebuild' schemes were required, so they were placed into different number series.

Southern Pacific Photographic Roster Reporting Marks: SP Showing Locomotive model GP9 Click on a locomotive to view pictures

information page for SP, SSW and T&NO EMD GP9, GP9E and GP9P passenger diesel locomotives

Yes, a GP9 is 1750 horsepower but the S.P. rounded it up for the classification system. When the 3189 (3005) emerged from the S.P.'s GRIP (General Rehabilitaion and Improvement Program) in 1977, it's classification was changed from EP418-3 to EF418-R1.

Dec 19, 2024 · The first GP9 completed was Milwaukee Road #2400 in January, 1954. As part of EMD's latest "9 Line," which also included the F9, SD9, and E9 the model continued the builder's efforts at continously improving its product.

A classic GP9 (General Purpose) Diesel similar to SP GP9s that ran on SP’s San Diego & Arizona Eastern subsidiary from the late 1950s until September 1976, this SP Diesel carried the name of SP’s Cotton Belt subsidiary its entire life. Built by Electro …

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.

This page is dedicated to my favorite type of locomotive ever, the Southern Pacific GP9. The SP rostered 340 GP9's originally lettered for SP, T&NO and SSW, however, only one GP7 model was ever rostered on the entire system and that unit was an SSW GP7.