The EMD F3 is a 1,500-horsepower (1,100 kW) B-B freight- and passenger-hauling carbody diesel locomotive produced between July 1945 and February 1949 by General Motors’ Electro-Motive Division. Final assembly was at GM-EMD's La Grange, Illinois plant.

The F3 was offered with eight different gearing ratios, ranging from 56:21 for passenger service (top speed of 102 mph while offering 21,000 pounds of continuous tractive effort) to 65:12 for freight duties (a top speed of 50 mph with 42,500 pounds of continuous tractive effort).

EMD F-units are a line of diesel-electric locomotives produced between November 1939 and November 1960 by General Motors Electro-Motive Division and General Motors-Diesel Division. Final assembly for all F-units was at the GM-EMD plant at La Grange, Illinois , and the GMDD plant in London, Ontario .

The EMD F3 is a 1,500-horsepower B-B freight- and passenger-hauling diesel locomotive produced between July 1945 and February 1949 by General Motors’ Electro-Motive Division. Final assembly was at GM-EMD's La Grange, Illinois plant.

EMD F3A and F3B; Data Sheet Information Compiled by: JEAN-DENIS BACHAND: Revised: 14 Feb. 2023 / New: 6 May 2006 : Artwork by: Jean-Denis Bachand-Engine Builder: Winton: Engine: 567B 16 cylinder: Bore & Stroke: 8" X 10" RPM (Maximum / Minimum) 800 / 275 : Main Generator: GM - D12: Horsepower: 1500:

The F3 was the third model in GM-EMD's highly successful F-unit series of cab unit diesel locomotives, and it was the second most produced of the series. The F3 essentially differed from the EMD F2 in that it used the “new” D12 generator to produce more power, and from the later EMD F7 in electrical equipment.

Feb 8, 2025 · In this article, we’ll compare the EMD F7 vs. F3 to highlight what set them apart and why the F7 became the more successful of the two. Introduction to the EMD F-Series. The F-series was a line of streamlined diesel locomotives designed primarily for freight but also used in passenger service.

Feb 8, 2025 · The EMD F3 was one of the most iconic diesel locomotives of the mid-20th century, helping railroads transition from steam to diesel-electric power. Today, many of these legendary locomotives have been restored and preserved by museums and heritage railroads, allowing rail enthusiasts to experience a piece of history firsthand.

The F3 model Diesel loccomotive is identical in most respects to the F2 locomotive described in Operating Manuals Nos. 2301 and 2302. The differences in construction and operation are described in the following pages.

Jan 17, 2024 · The EMD (Electro-Motive Division, General Motors) F3 was an immediate post-World War 2 diesel-fueled locomotive capable of serving both passenger and freight line service routes. Production totaled 1,807 units.