EMD E9 Locomotive Specs: A Classic Diesel-Electric Powerhouse

EMD E9 Locomotive Specs: A Classic Diesel-Electric Powerhouse

The EMD E9 locomotive, built by the Electro-Motive Division (EMD) of General Motors, is a legendary diesel-electric locomotive that played a significant role in American rail history. Introduced in the 1950s, this streamlined locomotive was designed primarily for passenger service, offering both power and efficiency. In this article, we will explore the EMD E9 locomotive specs, its history, and its impact on rail transportation.

History of the EMD E9

The EMD E9 was the final model in EMD's successful "E-series" locomotives, succeeding the EMD E8. Built between 1954 and 1964, the E9 was used by major railroad companies across the United States, including Union Pacific, Southern Pacific, and Burlington Route. It was designed to haul long-distance passenger trains, providing a comfortable and efficient alternative to steam locomotives.

One of the key features that set the E9 apart from its predecessors was its enhanced horsepower and improved cooling system. The locomotive maintained the classic streamlined design that had become a signature of the E-series.

EMD E9 Locomotive Specifications

1. Engine and Performance

• Engine Type: Two EMD 567C V12 diesel engines
• Horsepower: 2,400 HP (1,200 HP per engine)
• RPM Range: 275–800 RPM
• Fuel Capacity: 1,200 gallons (approximate)
• Maximum Speed: 85–90 mph (depending on configuration)

2. Dimensions and Weight

• Length: 70 feet 3 inches
• Width: 10 feet 7 inches
• Height: 14 feet 8 inches
• Weight: 315,000 lbs (approximate)

3. Electrical and Mechanical Systems

• Generator: Two GM D-12 generators
• Traction Motors: Four GM D-27 traction motors
• Wheel Arrangement: A1A-A1A (three axles per truck, center axle unpowered)
• Braking System: Air brakes with dynamic braking on some models

4. Notable Features

• Dual Prime Movers: The E9 featured two 12-cylinder engines, providing redundancy and reliability.
• Improved Cooling System: Enhanced radiators and fans improved cooling efficiency.
• Streamlined Design: Maintained the sleek, aerodynamic look for improved fuel efficiency and aesthetics.
• Versatile Coupling System: Compatible with multiple-unit (MU) control for operating in tandem with other locomotives
•  Legacy and Preservation

Despite being retired from active passenger service by the late 1970s, several EMD E9 locomotives have been preserved and restored by museums and heritage railroads. Railroads like Union Pacific and Illinois Central retained some E9 units for special excursion trains, showcasing their historical significance.

Many railway museums and enthusiasts still celebrate the EMD E9 for its role in shaping modern diesel locomotive technology. Some units have been repainted in their original railroad liveries, allowing train lovers to experience the nostalgia of classic passenger rail travel.

Conclusion

The EMD E9 locomotive is a true classic in American railroad history. With its powerful twin engines, streamlined design, and long-distance capabilities, it played a crucial role in the transition from steam to diesel-electric locomotives. Even today, the EMD E9 remains a favorite among rail fans and preservationists, serving as a reminder of the golden age of passenger rail travel.

If you’re passionate about trains and locomotives, visiting a preserved EMD E9 at a railway museum or heritage excursion is a must!

Would you like to explore more about other classic locomotives? Let us know in the comments!