The EMD GP7 is a four-axle diesel-electric locomotive built by General Motors Electro-Motive Division and General Motors Diesel between October 1949 and May 1954. [2] The GP7 was the first EMD road locomotive to use a hood unit design instead of a car-body design.

Feb 20, 2025 · The GP7 began Electro-Motive's foray into the road-switcher market. It was the builder's first, true such design and became a massive success. From a historical perspective it was a landmark model, selling more than 2,700 examples in just a short five year production run.

The first GP7/GP9 units for Chicago & North Western Railway came in August and September 1950 as three ex-General Motors' Electro Motive Division GP7 demonstrators. GM-EMD had built the three units in October and November 1949, and January 1950, to show off its …

EMD GP7 and GP7B; Data Sheet Information Compiled by: JEAN-DENIS BACHAND: New: 6 May 2006 : Artwork by: Jean-Denis Bachand-Engine Builder: EMD: Engine: 567B 16 cylinder: Bore & Stroke: 8.5" X 10" RPM (Maximum / Minimum) 800 / 275 : Main Generator: GM - D12: Horsepower: 1500: Gear Ratio: 62:15 :

In order to differentiate between the two types of air brake equipment, the model designations IGP7L" or IGP7R" are used. The GP7L is equipped with 6 BL (USA) or 6 SL (Canadian) brake equipment while the GP7R is equipped with 24 RL brake equipment.

gp7 - 1949-1954 The GP7 family (featuring the cabless GP7 booster) was meant as a more versatile, rough-and-tumble package than the carbody-styled F7 family. Powered by the EMD 16-cylinder 567B engine, GP7's were rated at 1500hp.

Developed in the 1940s by the Electro-Motive Division (EMD) of General Motors, it quickly became one of the most popular locomotives in North America. Let’s take a closer look at the and development, technical specifications, and advantages …

Nov 24, 2015 · The GP7 was the first EMD road locomotive to use a hood unit design instead of a car-body design. This proved to be more efficient than the car body design as the hood unit cost less to build, was cheaper and easier to maintain, and …

GN EMD GP7 Roster . GN Class GP-7; 1500hp, B-B Road Switcher. GN# BUILDER# BUILT: EMPIRE BUILDER SCHEME: SIMPL. ... Traded-in to GE 7/2/1982 for B30-7A 4000-4052 order : 625: 13338: 4/1951: Yes: No: No : BN 1525. Retired 6/29/1982. Traded-in to GE 7/2/1982 for B30-7A 4000-4052 order : 626:

What is a GP 7 locomotive? A GP 7 locomotive is a diesel-electric locomotive that was first introduced by General Motors Electro-Motive Division (EMD) in 1949. These locomotives were designed to replace steam locomotives and were widely used in North America for freight and passenger transport.