Emd e7 vs f7 The EMD F9 is a 1,750 horsepower (1,300 kW) Diesel-electric locomotive produced between February 1953 and May 1960 by the Electro-Motive Division of General Motors (EMD) and General Motors Diesel (GMD). Some are available as A/B Sets with accompanying unpowered B I've been hard at work creating a catalogue of plan sets, decals and UV printed bricks for my version of the EMD FT, F3, F7 and FP7 diesel locomotives. 29 L) displacement per cylinder, for a total of 9,072 cu in (148. As a result, the FP7 could offer tractive efforts between 29,500 to 40,000 lbs (depending on gear settings) while the best an E7 could provide was 27,000 lbs at the lowest gear setting. 567A: E7, late FT (plus service replacements), various switchers 567B: E8, F2, F3, F7, FP7, BL2, GP7, SD7, various switchers The EMD 567C, 567D3A, and 645 series -- On Union Pacific, the E3 to E7, and some E8 locomotives used EMD's 16-pin power plant control receptacle and plug system. Prototype Information The EMD F7 hit the tracks between 1949 and 1953, quickly becoming one of the most iconic diesel-electric locomotives in North America. The FT, introduced in 1939 with the new 1,350 hp (1. EMD GP50 GP50's also shared a same frame as a GP38 and GP40. E-units standardized the two engine configuration for passenger locomotives to maximize power and, while the less-reliable Winton Diesel prime movers were in use, faced a less severe loss of power Dec 18, 2024 · With their B-B trucks, the Fs placed their full weight on the rails. diesel history, only two other models, both also EMD, the GP9 and the SD40-2 have outsold the F7. Electro-Motive Division’s F7 was the zenith of the “covered wagon,” or carbody-style diesel. In fact, more F7s were built than all other F-units combined. The E7 was a 2,000-horsepower passenger train locomotive built by General Motors Electro-Motive Division of La Grange, Illinois. GN 356C, an EMD F7 is heading a westbound Fast Mail through Montana to Spokane and Seattle. Jan 20, 2025 · In mid-1947, EMD had completed an E7 demonstrator that operated with a four-car all-dome lightweight passenger train built by Pullman. Jun 30, 2020 · Santa Fe’s Texas Chief of 1948 to 1971 was no exception when it came to the dominant form of motive power being EMD’s model F-7. The F7 was the fourth model in GM-EMD's successful line of F-unit locomotives, and by far the best-selling cab unit of all time. [1] In profile the front of the nose of an E7A was less slanted than on earlier EMD passenger locomotives, and the E7, E8, and E9 units have been nicknamed “bulldog nose” units Nov 26, 2022 · The first set was delivered to Southern in May of that year with Southern road number 6100; it was the original FT demonstrator, reconditioned by Electro-Motive (now EMD) following its 11-month, 35-state barnstorming tour in 1939-1940. There was no F4, -5 or -6 model; "7" was chosen to match the contemporary twin-engine E7, and was also applied to the new GP7 road-switcher. May 6, 2025 · Using the F7 style 36-inch fans allowed the railroads to keep fewer fan designs in stock since the same fan was used on radiators and dynamic braking. The F7 was the fourth model in GM-EMD's highly successful F-unit series of cab unit freight diesels, and it was the most produced of the series. Along with the rest of Santa Fe’s famous Chief streamliners, the Chicago-Houston Texas Chief could be found with up to six of the locomotives on the head end in cab or booster form. EMD GP40-2 Compared to a GP38-2, the GP40-2 has 3 rear fans. What were the pros and cons of EMD F units versus E units? I know the F's trucks were B-B and the Es were A1A-A1A. The EMD F7 is a 1,500 horsepower diesel-electric locomotive produced between February 1949 and December 1953 by the Electro-Motive Division of General Motors (EMD) and General Motors Diesel (GMD). It succeeded the F7 model in GM-EMD's F-unit sequence. Some roads like Santa Fe and Great Northern used Fs for their top passenger trains, but other mountainous roads like B&O and UP used Es on their top passenger trains. Sep 9, 2001 · The E7 was superseded in 1949 by the E8-2,250 horsepower and was replaced in 1954 by the E9-2,400 horsepower. youtube. The frames were 4’ longer IIRC, allowing for more space for the boiler and water tank. The F7 was the fourth model in GM-EMD's successful line of F unit locomotives, and by far the best-selling cab unit of all time. EMD already cataloged the F2, F3, F7, and later F9 with optional steam generators. 01 MW) 567 engine and Blomberg B trucks, was a successful design, and remained in production during WWII. Compared to the GP35, they are all the same size. Dec 8, 2008 · If it has stainless steel grills, but otherwise looks the same, it's a Phase IV F3. UP 925 was the result of EMD's rebuilding of a wrecked C&NW E7A, which UP settled with C&NW for and had rebuilt to EMD's then-current passenger locomotive design. The F7's prime mover is a 16-cylinder 567B series diesel engine developing 1,500 hp (1. The Union Pacific GP7, SD7, GP9, some E8 and all E9 lococomotives used EMD's 21-pin power plant control system. The term originated with EMD F-units, as well as later E-unit models such as the E7, E8, and E9. The EMD F7 is a 1,500 horsepower Diesel-electric locomotive produced between February 1949 and December 1953 by the Electro-Motive Division of General Motors (EMD) and General Motors Diesel (GMD). The E7 was a 2,000-horsepower (1,500 kW), A1A-A1A passenger train locomotive built by General Motors' Electro-Motive Division of La Grange, Illinois between 1945 – 1949. Railroads like Santa Fe, Union Pacific, and Southern Pacific ran EMD F9 DIESEL-ELECTRIC LOCOMOTIVE. In all, GMD sold 127 examples to the Canadian National, Canadian Pacific, and the Wabash (for its line in southern Ontario between Detroit and Niagara Falls/Buffalo, New York). The EMD F7 is a 1,500 horsepower diesel locomotive built by General Motors' Electro-Motive Division between 1949 and 1953. 428 cab versions, or E7As, were built from February 1945 to April 1949. This picture is from a Leaning Tree card # 5150, from an original painting by R. Built between 1945 and 1949 by the Electro-Motive Division (EMD) of General Motors , the E7 played a key role in replacing steam locomotives and modernizing passenger rail travel in the United States. The F7 was EMD's fourth model in the line of F-unit locomotives, and was by far the best-selling cab unit of all time. The F7 was the fourth model in GM-EMD's successful line of F-unit locomotives, and by far the best selling cab unit of all time. Built by Electro-Motive Division (EMD) of General Motors between 1945 and 1949, the E7 became a staple of passenger rail service across the United States. This particular locomotive holds a special place in my heart, as it was Engine and powertrain. The Kato EMD F7 comes in both A and B (cabless) variations, and is retooled from earlier variations of the F-unit locomotive chassis to make it DCC friendly. Videos featuring the244:The alco PA:https://www. 2,393 F7A units were built and 1,463 F7B units were built. The F7's drawbar pull is equivalent to about 24 free-rolling freight cars on straight and level track. 46 E8Bs were built from December 1950 to January 1954, all for the U. Afterward, EMD sold the train to UP in March 1950. b&m 1566 wrote: ↑Sat Oct 16, 2010 11:02 am I was just browsing the internet and came across Wikipedia with some information about EMD - F7’s and noticed something different about the B&M F7 roster. The EMD FP7 is a 1,500 horsepower (1,100 kW), B-B dual-service passenger and freight-hauling diesel locomotive produced between June 1949 and December 1953 by General Motors' Electro-Motive Division and General Motors Diesel. Or a Phase 1a F7 (though the side door window gasket would be different). Feb 6, 2025 · The EMD E7 diesel-electric locomotive was one of the most significant passenger locomotives of the mid-20th century. The F7 succeeded the F3 model in GM-EMD's F-unit series, and was replaced in turn by the F9. In U. Designed specifically for railroad locomotives, this Roots-blown, mechanically aspirated 2-stroke 45-degree V-type, with an 8 + 1 ⁄ 2 by 10 in (216 by 254 mm), bore by stroke, giving 567 cubic inches (9. The Traction motors were 4x EMD D-27-B units. E. Jun 5, 2008 · Meanwhile, EMD sold late-model F-units that were specifically intended for passenger duty, namely the FP7 and FP9, with the “P” signifying passenger. The F7 can be considered the zenith of the cab unit freight diesel; it was ubiquitous on North American railroads until the 1970s (longer in Canada ), and the design has become entrenched in the Due to World War II, E unit production ceased for two years from 1942–45, however EMD made a smashing return to the market with the new E7 which became the best selling of all the E units. A total of 450 cab versions, or E8As, were built from January 1950 to January 1954, 447 for the U. EMD had built the unit as a demonstrator, road number 5040, in July 1950. S. Feb 10, 2025 · EMD E-Units: The E-Units, such as the EMD E7, E8, and E9, used EMD’s 567 series engines, producing between 2,000 and 2,400 horsepower EMD F7 vs. By 1954 U. You should note that phases aren't actual EMD model designations, they're just categories that modelers and railfans use to group similar types of units. Three units in an A-B-A combination had a drawbar pull equivalent to about 68 cars. With over 20 years' experience with EMD locomotives, I get a lot of calls for help. Feb 20, 2025 · The builder wasted no time ramping up production and soon unveiled the F3 (that followed the initial FT model) which sold some 1,111 units; the F7 followed next and sold 2,366 units; and last was the F9 which sold 87 units. In profile the front of the nose of an E7A was less slanted than on earlier EMD passenger locomotives, and the E7, E8, and E9 units have been nicknamed "bulldog nose" units. Then you have the FP45-3600 horsepower made between 1967/68 originally for passenger service but reassigned to freight because of passenger-train abandonment. Who ever put the page together states that B&M 4268 was originally EMD demonstrator 930, can anyone confirm this? The history of one of the best known American locomotives. and 3 for Canada. Jun 24, 2024 · After the initial 10 E8s in 1950, additional passenger power came in 1952 in the form of two FP7s and matching booster F7 units, plus a single E8, number 925. With 3,849 units built between 1949 and 1953, the F7 was both the most popular carbody diesel and its last hurrah. com Aug 25, 2013 · Into its longer body the E-8 crammed one and a half times as much engine (two 12-cylinder engines) as the F-7 (one 16-cylinder), producing one and a half times as much power (2250 hp as opposed to 1500 hp). It succeeded the F3 model in GM-EMD's F unit sequence, and was replaced in turn by the F9. . The generator in play was another EMD in-house product, the D-12 series. Passenger units can be identified by their Steam Generators vs. F3: Key Jul 6, 2006 · The F7 sold 3,849 units (2,366 A’s, 1,483 B’s) in North America during 1949-1953, the height of the dieselization of American railroads. The F9 was also built in Canada by General Motors Diesel at their London The EMD E8 is a 2,250-horsepower (1,678 kW), A1A-A1A passenger-train locomotive built by General Motors' Electro-Motive Division (EMD) of La Grange, Illinois. Nov 26, 2021 · The SD40 road on C-C trucks, offering 6 axles of traction underneath a 3000 horsepower 645 prime mover. The F7 was the fourth model in EMD’s successful line of F unit locomotives, and by far the best-selling cab unit of all time. It succeeded the F3 model in EMD’s F unit sequence, and was replaced in turn by the F9. railroads had virtually stopped ordering F-units in favor of hood units like EMD’s GP9 and Alco’s RS-3. The F3 (1946) had a different roof arrangement that included the replacement of the FT's boxy dynamic brake structure with two under-roof grids, two exhaust stacks instead of four, and four cooling fans grouped together instead of EMD E7A same HP/speed: starting TE 53K cont TE 18K EMD E8A 2250 HP, same speed: starting TE 53K cont TE 23K Also, Santa Fe conducted dyno tests circa 1946 comparing drawbar HP and drawbar pull between PA's and the early E-units. With 1,500 horsepower under the hood and a V16 EMD 567B engine, it powered freight trains across the country, replacing steam locomotives and revolutionizing rail transport. After 1945, Electro-Motive began once again producing diesel-electrics and restyled its latest E model, the E7, with a nose much less sharply slanted to give it a “bulldog” look that much more resembled the later F series, and increased its horsepower from 1,800 to 2,000. Final assembly was at GM-EMD's La Grange, Illinois plant. Chicago area EMD F7 E8 E9 and F40C units 1970's. GN 2020, an EMD GP20 is shown running long nose forward as was the custom for GN first-generation power. In fact, more F7s were built than all other F units combined. 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. In fact, more F7s Jul 6, 2006 · The F7 sold 3,849 units (2,366 A’s, 1,483 B’s) in North America during 1949-1953, the height of the dieselization of American railroads. Pierce. com/watch?v=eBD_hqIbSCc&t=64sAlco's old gua GN E7 #506, blt 1945 cn2434 Joseph Testagrose: Alton RR E7 #100, to GMO 100, blt 1946 cn3218: Kansas City Southern E7A #12, Sallisaw OK 1963, nee MEC 708, blt 1946 cn3369 RH Carlson-BL: E-unit cab : E-unit cab : EMD E unit , 1950: Rock Island E7A #632, blt 1946 cn3094 Paul McGrane: NYC E7B Jade Green #4108, NYC painted only 3 locomotives Jade Aug 24, 2019 · EMD GP38-2 Compared to the GP35, EMD's GP38-2 had only 2 large fans on the rear of the long hood, they share the same frame as a GP40-2. Jun 2, 2024 · The EMD F7 is a model of 1,500-horsepower (1,100… Sep 25, 2023 · Enchanting EMD E-units!Triple the toil and trouble! EMD E7, 8, and 9 diesels are now available to Pre Order. EMD painted these heavy road units in a bright red and white paint scheme, earning them the nickname "Big Reds" on the railroad. 66 L). Although originally promoted by EMD as a freight-hauling unit, the F7 was also used in passenger service hauling such trains as the Santa Fe Railway's Feb 5, 2025 · Electro-Motive Division's F7 was the zenith of the “covered wagon,” or carbody-style diesel. At this time, I have 15 of arguably the most famous liveries/variations nearly completed and I hope to start releasing the first instructions early in 2023. The train (made up of the first dome cars) known as the "Train of Tomorrow," toured the United States, visiting 86 cities. The E9 uses twin 12 cylinder 567C engines developing a total of 2,400 hp (1,800 kW) at 800 rpm. Final assemblies was at GM-EMD's La Grange, Illinois, plant or GMD's London, Ontario, facility. The EMD F7 is a model of diesel-electric locomotive produced between February 1949 and December 1953 by the Electro-Motive Division of General Motors (EMD) and General Motors Diesel (GMD). Also purchased was one of EMD's testbed prototypes for the SD40 series, SD40X #434. The railroad bought another former demonstrator unit, an F7A, in January 1953. These are brand new models available in every roadname you could imagine, from Boston & Maine and New York Central, to Atlantic Coast Line, Union Pacific, C&NW, and many more. Both played a crucial role in replacing steam locomotives in the 1940s and 1950s, but despite their similar appearances, they had key differences in design, performance, and technology. Feb 8, 2025 · The EMD F7 and EMD F3 were two of the most famous diesel-electric locomotives built by Electro-Motive Division (EMD) of General Motors. Jan 17, 2024 · Internally, the locomotive was powered by an in-house EMD 16-567B series 2-stroke, V16 diesel-fueled prime mover of 1,500 horsepower at 800 rpm with aspiration from a roots blower. 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 E7 was the eighth model in a line of passenger diesels of similar design known as EMD E-units, and it became the best selling E model upon its introduction. 29 L) displacement per cylinder, remained in production until 1966. EMD SW Switchers; EMD E7; EMD F7; EMD FP7; ALCO RS; KRAUSS-MAFFEI ML-4000 | Brass; EMD SD70ACe; GE ES44AC; EMD F7 Locomotives: AZL # Model Road Name Road Number The F7 was primarily a freight-hauling locomotive, however they were also used on passenger trains by some railroads. The F7 was EMD's first cab variant to be produced at its new Canadian subsidiary, General Motors Diesel (GMD) of London, Ontario. 1 MW) at 800 rpm. The 567B is a mechanically aspirated two-stroke design in a 45-degree V engine configuration, with 567 cu in (9. An EMD 16cyl 567B prime mover powered an EMD D-12 generator to provide the power to the four traction motors in the familiar Blomberg B trucks. Tutorial on how to enhance the look of a General motors Electromotive F7 demonstrator engine, Märklin item 3349. Feb 6, 2025 · The EMD E7 was one of the most influential diesel-electric locomotives of its time, helping transition American railroads from steam to diesel power. Some earlier units were called "shovel nose" units The F7's speeds are similar to the Kato F3's, so they be intermixed realistically. freight units which lack this detail. See full list on american-rails. The EMD F-units followed the basic B-B truck design of the TA model, but with a V-16 EMD 567 prime mover generating 1350 hp as introduced in 1939. Then, later, the GP7, SD7, GP9, E8 and E9 lococomotives used EMD's 27-pin power plant control system. Admittedly, the E1's had a HP, gearing and technology handicap compared to the PAs. An EMD E7, one of the American "bulldog noses" "Bulldog nose" is the nickname given, due to their appearance, to several cab-unit diesel-electric locomotives manufactured by GM-EMD and its licensees from 1939 to 1970. EMD E units hauling chicago commuter trains in the 1970s. Mar 14, 2024 · EMD F7, Class EF15a. F3: Key The EMD FP7 is a 1,500 horsepower (1,100 kW), B-B dual-service passenger and freight-hauling diesel locomotive produced between June 1949 and December 1953 by General Motors' Electro-Motive Division and General Motors Diesel. jvmd ahpjf zvulpr bdpns nvzc qtjxkq dwipuoq vvb kwlx agtic