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Stock typeGasoline-electric passenger one-directional trainset
DesignerElectro-Motive Corporation
Constructed1934
Entered service1934–1941
Scrapped1942
Number built1 trainset (3 cars)
Number scrapped1 trainset
SuccessorM-10001
Formation1 power cab car (with mail and baggage rooms),

1 trailer car (passenger),

1 trailer tail car (passenger)
Capacity108 (middle car 56 seat coach, end car 52 seat buffet-coach [1]
OperatorsUnion Pacific Railroad
Specifications
Car body constructionaluminum
Train length204 feet 5 inches (62,310 mm)
Car length71 feet 9 inches (21,870 mm) (power car)
58 feet 0 inches (17,680 mm) (intermediate car)
71 feet 0 inches (21,640 mm) (tail car)
Width9 feet 3 inches (2,820 mm)
Height11 feet 11.5 inches (3.645 m)
Maximum speed110 mph (177km/h)
Weight85 tonnes (84 long tons; 94 short tons)
Traction systemGasoline–electric
Prime mover(s)Winton 191A
Engine typeTwo-stroke gasoline
Cylinder count45° V12
Cylinder size191 cubic inches (3,130 cm3)
Traction motors2
Power output600 hp (447 kW)
TransmissionDC-DC
AAR wheel arrangementB-(2+2)-2
Wheels driven2
Bogies1 motor bogie,

2 non-motor Jacobs bogies,

1 non-motor bogie
Multiple workingno
Seatingopen coach, 2+2
Track gauge1,435 mm (4 ft 8+1⁄2 in)

The M-10000 was an early American streamlined passenger trainset that operated for the Union Pacific Railroad from 1934 until 1941. It was the first streamlined passenger train to be delivered in the United States, and the second to enter regular service after the Pioneer Zephyr of the Chicago, Burlington and Quincy Railroad.[2]

Development

[edit]
The front view of the M-10000

The M-10000 car design built upon the efforts of William Bushnell Stout, an early designer of all-metal airplanes, who adapted fuselage design ideas to the Railplane (not to be confused with the Bennie Railplane), a lightweight self-propelled railcar built by Pullman-Standard in 1932. The tapered car cross-section, lightweight tubular aluminum space frame construction, and Duralumin skin of the Railplane were carried over into the M-10000 design.[3] The performance of the Railplane in testing drew the attention of Union Pacific, who sought the services of Pullman-Standard in building a small, lightweight streamlined trainset for mainline service. Union Pacific ordered M-10000 from Pullman in May 1933 at a cost of $230,997, following an analysis of passenger traffic that concluded new, more cost effective equipment than heavyweight passenger cars and steam locomotives was required for maintaining profitability, especially on low-traffic routes.[2][4] The streamlined body was developed from a series of wind tunnel tests that were carried out at the University of Michigan.[5]

The Electro-Motive Corporation (EMC) developed the internal combustion-electric propulsion system powered by a 600 hp spark-ignition engine. As was their practice as a system engineering firm at the time, they contracted manufacture of the components of their systems to primary equipment manufacturers. General Motors' Cleveland subsidiary, the Winton Engine Corporation, provided the prime mover. The air brake compressor, main generator, traction motors and control equipment were manufactured by the General Electric Company. Skepticism that development efforts for diesel engines underway in the early 1930s would provide timely release of an engine adequate for high speed rail service led to use of a spark-ignition distillate engine.[2] Trucks were strongly influenced by German passenger bogie design, as investigated by Union Pacific chief engineer A.H. Fetters.

Design

[edit]
The rear view of the M-10000

The M-10000 was a three-car trainset, with a combined power/baggage/railway post office car and two trailing passenger coaches.[5] The power car measured 71 feet 9 inches (21.87 m) long, followed by coaches measuring 58 feet (18 m) and 71 feet (22 m).[5] Including the space between cars, the trainset had a total length of 204 feet 5 inches (62.31 m), with a width of 9 feet 3 inches (2.82 m) and a height of 11 feet 11.5 inches (3.645 m) at the cab; the coaches were 1 foot (0.30 m) shorter.[5] The trainset was articulated using shared Jacobs bogies to reduce weight, making the train operate as one integrated unit rather than as a separable locomotive and cars. The integrated-body-and-frame construction using aluminum reduced the required structural weight to a fraction of that for conventional body-on-frame railcars, and the trainset's total weight of 85 tonnes (85,000 kg) was about the same as a single passenger coach of the time.[5]

The power car featured an elevated "turret cab" behind a nose featuring a large vertically-divided air intake grille formed by parabolic arches. On the roof of the cab were a headlamp and a vertical marker light. The train was powered by a single 600 horsepower (450 kW) spark-ignited distillate-burning engine built by the General Motors subsidiary Winton Engine Corporation driving a generator that powered two traction motors on the leading truck of the power car.[4] The two passenger coaches each had a capacity of 60 people; the last coach also included a small galley at the rear end to prepare meals that were served at passengers' seats.[5] Original livery consisted of Armour Yellow sides with a Leaf Brown nose, roof, rear, and lower panels, with red striping separating the two main colors. The nose was subsequently painted Armour Yellow consistent with other early Union Pacific streamliners.

Service history

[edit]
A postcard photo of the M-10000 as the City of Salina

The trainset was delivered on February 12, 1934, and was sent on a publicity tour across the US, during which about a million people toured it and its stops became local media sensations.[2] During its 13,000-mile (21,000 km) exhibition tour across the US as The Streamliner, where it hit a top speed of 110 mph (177 km/h) during its journey, it visited Washington DC for inspection by Franklin Delano Roosevelt.[4][6] The popular train was put on display at the 1934 World's Fair ("A Century of Progress") in Chicago from May 26 to October 31, 1934. It was somewhat overshadowed by the other lightweight streamliner, the diesel-powered Burlington Zephyr, which entered the fair after a record-setting "Dawn to Dusk Dash" speed run from Denver to Chicago, in time to arrive at the "Wings of a Century" transportation pageant. During its testing, demonstration, and display periods, the M-10000 trainset included the sleeper car Overland Trail, which was removed from the consist prior to revenue service and added to Union Pacific's next streamliner, M-10001.

M-10000 was placed in revenue service between Kansas City, Missouri and Salina, Kansas as The Streamliner on January 31, 1935. It was subsequently named City of Salina as Union Pacific adopted the "City of..." convention for its new streamliners, but was also nicknamed the "Tin Worm" or "Little Zip".[2] It operated until December 1941, by which time its engine, after powering the train for approximately 995,000 miles, required replacement that was deemed prohibitively expensive.[2] The trainset was scrapped the following year, with its aluminum recycled for use in the wartime aircraft industry.[2]

Legacy

[edit]

Union Pacific commissioned five diesel-powered streamliners during 1934–1936, evolved from the M-10000 design. The color scheme originated with M-10000 was used for UP's later streamliners and changed incrementally to the Armour Yellow and Harbor Mist Gray livery that became UP's standard. The "Streamliner" name for M-10000 became the general term for locomotives and passenger trains styled with clean lines and an aerodynamic look. The high-mounted, behind-the-nose cab design originated with M-10000 was later adopted for EMD's E-unit and F-unit locomotives, although without the front-mounted air intake. Integrated-body-and-frame, or carbody, designs became standard for rail equipment where weight was a concern, such as early mainline diesel locomotives, passenger cars, urban mass transit rail, and high-speed passenger rail.

[edit]

In the 1937 children's book "Choo Choo: The Story of an Engine Who Ran Away" by Virginia Lee Burton, an M-10000 is cast as the streamliner train that helps Choo Choo's crew pursue the title engine after she runs away. Once Choo Choo is found on an old unused track, her engineer, Jim, uses a chain to help the streamliner tow Choo Choo back to the big city as the M-10000 lacks couplers.

References

[edit]
[edit]
Revisions and contributorsEdit on WikipediaRead on Wikipedia

M-10000

View on Grokipedia
from Grokipedia
The M-10000 was the first streamlined diesel passenger trainset to enter regular revenue service in the United States, operating for the as the "City of Salina" from January 31, 1935, until its retirement on December 16, 1941. This three-car articulated aluminum alloy train, built by Pullman-Standard and powered by a 600-horsepower Winton distillate engine, weighed 85 short tons empty and measured 204 feet in length, with a top speed of up to 110 miles per hour. It featured a power-baggage-mail car, a 56-seat coach, and a 52-seat buffet-coach, with a total seating capacity of 108 passengers plus crew, baggage, and mail while emphasizing lightweight construction, modern amenities like indirect lighting and cork flooring, and an aerodynamic exterior painted in Armour Yellow with Leaf Brown roof and lower panels. Developed under the leadership of Union Pacific chairman W. Averell Harriman during the Great Depression, the M-10000 drew inspiration from earlier experimental railcars and was unveiled on February 12, 1934, following delivery from Pullman in Illinois on February 11. Before entering service, it embarked on a highly publicized 12-week national tour covering 13,000 miles across 22 states and 14 railroads, attracting approximately 1.2 million visitors and an estimated 10 million viewers, and reaching speeds of 110 miles per hour during demonstrations, which helped revive public interest in passenger rail travel. The train was displayed at events like the Chicago Century of Progress exposition in 1934, where it drew over 565,000 visitors, and even received a visit from President Franklin D. Roosevelt. In operation, it ran the 187-mile route between Kansas City, Missouri, and Salina, Kansas, completing the journey in about 3 hours and 30 minutes, though it faced challenges including a derailment on August 16, 1935, that sidelined it for nearly two months. Despite its pioneering role in launching the era and influencing subsequent designs like the Chicago, Burlington & Quincy's Zephyr, the M-10000 was retired after accumulating 899,000 miles due to reliability issues with its distillate engine and outdated technology compared to emerging diesel-electric alternatives. It was scrapped on April 10, 1942, yielding 100,000 pounds of aluminum for wartime efforts, marking the end of its brief but impactful service that symbolized innovation in American railroading.

Background and Development

Historical Context

In the early , the U.S. passenger rail industry experienced rapid expansion following the completion of major transcontinental lines in the late 1800s, with the network growing from 35,000 miles in 1865 to over 250,000 miles by 1916, facilitating widespread settlement and . However, by the , railroads faced intensifying competition from automobiles, which offered greater flexibility for short- and medium-distance travel, and emerging airlines, which began capturing longer routes after took off post-World War I. Passenger rail traffic peaked at 47.3 billion passenger-miles in 1920 but declined sharply to 26.8 billion by 1930, exacerbated by the construction of highways and the affordability of Ford's Model T. The onset of the Great Depression in 1929 accelerated this downturn, with intercity train travel falling an additional 18% by the end of the decade and passenger-miles halving during the early as economic hardship reduced discretionary travel. Railroads, burdened by high operating costs and outdated heavy steel cars, sought innovations to regain , turning to lightweight construction and streamlined designs inspired by . Key influences included aviation engineer William Bushnell Stout's prototypes, such as the 1932 Scarab, an early streamlined automobile emphasizing aerodynamic efficiency and construction, and the 1933 Railplane, a self-propelled rail coach built for Pullman that achieved speeds of 70 miles per hour using aircraft-derived principles to reduce drag and weight. Amid this crisis, , under chairman from 1932, pursued aggressive modernization to attract riders and counter the 88.82% share of intercity passenger-miles held by automobiles by 1939. Harriman, who took control during the Depression's depths, focused on revivifying the line through innovative passenger services, including experimental high-speed trains to symbolize progress and luxury. Complementing these efforts were early experiments in diesel power and lightweight materials by the Electro-Motive Corporation (EMC), founded in 1922 and acquired by in 1930, which developed gas-electric railcars as early as 1924 with 150 horsepower engines suited for efficient, low-weight operations on branch lines. These advancements laid the groundwork for diesel-electric propulsion in streamlined passenger service, prioritizing fuel efficiency over traditional steam locomotives.

Project Initiation and Design Process

In 1932, chairman Averell Harriman initiated the M-10000 project to create an experimental "supertrain" that would modernize passenger service and compete with emerging automotive and air travel amid the . This effort aligned with the early trend toward aerodynamic streamlining in transportation design. On May 24, 1933, placed an order with Pullman-Standard for the three-car articulated trainset at a cost of $230,997, marking the first such lightweight, internal-combustion-powered in the United States. The development process involved close collaboration among key partners: Pullman-Standard handled the construction of the aluminum car bodies, while the power systems were provided by the Winton Engine Corporation—a General Motors subsidiary and precursor to Electro-Motive Corporation (EMC)—supplying a 600-horsepower distillate engine adapted from proven designs. To ensure optimal , engineers conducted testing at the , refining the exterior shape for reduced drag and efficient high-speed performance. Design work was finalized in late , with construction at Pullman's facilities proceeding rapidly to meet promotional deadlines. Construction concluded on February 12, 1934, when the completed M-10000 was delivered to Union Pacific in . A core innovation was the articulated structure, employing shared Jacobs bogies between adjacent cars to minimize weight, enhance stability, and improve ride quality over uneven track by distributing loads more evenly. This approach, combined with the all-aluminum fabrication, resulted in a total weight of about 85 tons—far lighter than conventional steam-hauled trains—and set the stage for the train's operational efficiency.

Design and Construction

Exterior and Aerodynamics

The M-10000, the pioneering American introduced by the in 1934, featured an exterior measuring 204 feet 5 inches in overall length and weighing 85 tons. Constructed primarily from lightweight aluminum alloy, this construction allowed for significant weight reduction compared to traditional steel railcars, enhancing both efficiency and speed potential. The train's external form emphasized aerodynamic streamlining, with a distinctive rounded, turret-style cab at the nose that tapered smoothly into the body to reduce air resistance. The rear observation end similarly featured a tapered profile, further minimizing drag and contributing to the train's sleek, integrated appearance. This design was informed by testing during development, which optimized the shape for high-speed performance. The M-10000's livery, applied post-delivery, consisted of an Armour Yellow body with a Leaf Brown roof, nose, rear, and lower panels, accented by gold lettering with black outline that highlighted its modern aesthetic. This color scheme became a hallmark of Union Pacific's early streamliners, symbolizing innovation and speed. Structurally, the three-car consist utilized an articulated design connected by shared Jacobs bogies, which eliminated visible gaps between cars and maintained a continuous, flowing exterior profile. These aerodynamic features collectively reduced air resistance, enabling the train to achieve a top service speed of 110 mph.

Interior Layout and Passenger Amenities

The M-10000 featured a three-car articulated configuration designed to optimize and flow, consisting of a front power, baggage, and (RPO) car, followed by two coach cars accommodating a total of 108 s plus crew. The middle car served as a standard coach with 56 reclining seats arranged in pairs along a central , while the rear car provided 52 seats in a similar layout along with for amenities. This setup allowed for efficient operation while prioritizing comfort on short-haul routes. Passenger seating emphasized luxury and functionality for the , with deep, upholstered reclining chairs equipped with adjustable headrests that could recline to multiple positions, including near-horizontal for rest. Interiors incorporated indirect adjustable to three intensity levels, pale blue color schemes with golden brown accents, and cork tile flooring to minimize noise and enhance acoustics. Large safety-glass windows, treated to block rays, offered panoramic views, complemented by Venetian blinds for privacy and light control. Lightweight furnishings, constructed from aluminum frames and upholstery, contributed to the train's overall reduced weight without sacrificing durability or elegance. Amenities focused on convenience and modern conveniences, including a fully air-conditioned environment with filtered ventilation and individual thermostats in each car for consistent comfort. The rear car housed an observation lounge with rounded-end design for scenic viewing and featured dining facilities with a compact equipped with electric appliances, a grill, , and lightweight crockery to serve meals efficiently. Restrooms, equipped with modern sanitary fixtures, were provided in pairs per coach car. features were limited to standards, offering no dedicated spaces or accommodations for passengers with disabilities. The articulated bogies between cars ensured a smooth ride, enhancing the overall interior experience.

Powertrain and Mechanical Systems

The M-10000 featured a pioneering diesel-electric centered on a horsepower Winton 191-A V12 distillate engine, a spark-ignition design that burned a kerosene-like fuel to generate electricity rather than relying on traditional compression ignition. This engine, manufactured by the Winton Engine Company (a subsidiary), drove a 425-kilowatt main generator produced by , which in turn powered two 300-horsepower traction motors—one mounted on each axle of the leading powered —for . The electric transmission system allowed for smooth acceleration and precise control, marking an early advancement in self-propelled railcars that eliminated the need for separate locomotives. The train's undercarriage incorporated four s for enhanced stability at high speeds: a single powered at the front with 36-inch , two unpowered Jacobs shared bogies between the articulated cars, and a trailing unpowered . The Jacobs design distributed weight across the shared pivots, improving ride quality and reducing sway on curves, while the 36-inch diameter balanced speed capability with track compatibility. This configuration supported routine service speeds of around 100 , with a geared maximum of 110 achieved during promotional runs and tests. The lightweight aluminum construction further aided performance by minimizing the overall weight to approximately 85 tons, enabling efficient operation under the engine's output. Braking was handled by a pneumatic air brake system, with compressors and control equipment also supplied by General Electric, providing reliable stopping power for the train's velocities without advanced regenerative capabilities typical of later designs. The system included reservoirs under each car and distributed air via dedicated pipes for consistent application across the articulated consist. Maintenance of the early distillate engine proved demanding due to the nascent state of diesel technology in the 1930s, requiring frequent inspections and adjustments to sustain reliability over its operational life, though specific overhaul intervals were not publicly detailed in contemporary records.

Operational History

Promotional Tours and Debut

The took delivery of the M-10000 on February 12, 1934, marking the debut of the first diesel-powered, lightweight passenger train in the United States. The train, built by Pullman-Standard, immediately embarked on its inaugural public excursion, traveling from to , where President personally inspected it before it continued westward on tracks owned by other railroads. This initial run highlighted the train's innovative design, including its all-aluminum articulated construction, which allowed it to achieve speeds exceeding 100 mph during demonstrations. Following the debut, the M-10000 undertook an extensive nationwide promotional tour from March to late 1934, covering approximately 13,000 miles across 14 railroads in 22 states and stopping in over 65 cities to generate public excitement for modern rail travel. Key stops included Washington, D.C., , , , , Omaha, Portland, and Spokane, where crowds gathered to view the sleek trainset painted in Armour Yellow with brown accents, often dubbed "Tomorrow's Train Today" in promotional materials. During the tour, the train reached top speeds of up to 110 mph, showcasing its 600-horsepower Winton distillate engine's efficiency on varied terrains. A major highlight of the tour was the M-10000's exhibition at the 1934 from May to July, where it was displayed as a symbol of technological advancement, drawing 565,922 visitors who toured its interiors and marveled at its streamlined form. The event amplified media interest, with Union Pacific Chairman participating in launch ceremonies and press events that emphasized the train's role in revolutionizing passenger transportation. These promotions positioned the M-10000 as a harbinger of faster, more comfortable rail service amid the . Initial performance metrics from the tour underscored the train's capabilities: fully loaded with 116 passengers and crew plus 25,000 pounds of baggage and mail, it averaged 90 to 100 mph using just 500 horsepower, demonstrating superior compared to conventional . By the tour's end, approximately 1.2 million people had toured the train, with an estimated 10 million viewers overall, building anticipation for its entry into the following year.

Revenue Service Operations

The M-10000 entered revenue service on January 31, 1935, on the 187-mile route between , and . It was named the City of Salina on March 13, 1936. The train operated daily round trips, with each leg taking approximately 3 hours and 45 minutes. It integrated seamlessly into Union Pacific's broader network, providing connections to major long-distance services like the Overland Limited at Kansas City, facilitating onward travel for passengers beyond the regional route. During its operational peak from 1935 to 1941, the City of Salina maintained an average occupancy of 70%, reflecting steady demand on this corridor, and accumulated 899,000 miles in revenue service. The train experienced a low-speed on August 16, 1935, at , which sidelined it until October 6, 1935, but no other major accidents were reported. Modern amenities, including comfortable seating and onboard dining options, further boosted passenger satisfaction on these efficient runs.

Challenges and End of Service

The M-10000 encountered significant mechanical challenges stemming from its unproven 600-horsepower Winton 201-A distillate engine, which proved unreliable and ill-suited for sustained mainline operations, leading to frequent maintenance needs and operational disruptions. The powerplant's limitations, including its inefficiency compared to later diesel designs, contributed to the trainset's declining viability as newer technologies emerged. Passenger accommodations were another point of contention, with the trainset's fixed three-car articulated limiting capacity to approximately 116 seats, which proved insufficient for growing demand on competitive routes. This constraint, coupled with the noise and vibration inherent to early diesel streamliners, drew amid rising from more refined models like the Chicago, Burlington & Quincy Railroad's , which offered greater capacity and smoother performance using construction. The onset of accelerated the M-10000's withdrawal, as the U.S. entry into the conflict in December 1941 prompted railroads to prioritize material conservation for the war effort. The trainset was removed from service on December 16, 1941, after accumulating over 900,000 miles, with its lightweight aluminum body—constructed from —deemed valuable for recycling into aircraft production. It was briefly stored before being sold for scrap to Aaron Ferer and Sons in , on February 13, 1942, where the aluminum was melted down to support wartime manufacturing on April 10, 1942. No preservation efforts were pursued for the M-10000, as material shortages and the national focus on scrap drives overshadowed historical considerations, ensuring the complete dismantling of the pioneering . This retirement aligned with broader economic shifts, where Union Pacific and other carriers redirected resources toward freight transport to meet surging wartime demands for troops and supplies, diminishing emphasis on luxury passenger services.

Legacy and Cultural Impact

Influence on Streamliner Evolution

The M-10000 contributed to the early adoption of diesel-electric propulsion in American streamliners, demonstrating the viability of self-propelled, trains for high-speed service following the and directly influencing Union Pacific's subsequent fleet expansions. Its success prompted the railroad to order the similar M-10001 in 1935, equipped with a more powerful 900-horsepower Winton engine and deployed on the City of Portland route between and . This model, along with the M-10002 introduced in 1936 for the City of Los Angeles service, adopted the articulated, aluminum-bodied design of the M-10000, scaling up to longer consists while maintaining aerodynamics for sustained speeds exceeding 100 miles per hour. These early trains established the template for Union Pacific's "City of" series, which by the late 1930s included nine additional , revitalizing long-distance routes during the . The M-10000's integration of a Winton 201-A diesel engine from Electro-Motive Corporation (EMC) marked a key step in the transition from steam to diesel power, influencing EMC's development of standalone locomotives for both and freight applications. Its operational success, including routine speeds over 100 mph during promotional runs and revenue service totaling over 800,000 miles by 1941, validated diesel-electric technology and contributed to EMC's (later EMD) FT demonstrator in 1939, a four-unit freight set that proved diesels could outperform steam on heavy hauls. This momentum carried into post-World War II production of , with Union Pacific adopting over 1,000 by the 1950s for freight and mixed services, accelerating the industry's dieselization. Additionally, the M-10000's distinctive Armour Yellow and brown livery became Union Pacific's standard , applied to later streamliners and locomotives for branding consistency and visibility. The 's innovative use of lightweight aluminum alloy construction significantly advanced material applications in railcar design, reducing overall weight and enabling higher speeds with less power. Weighing just 85 tons for its three-car articulated consist—compared to approximately 1,000 tons for a conventional 10-car steam-hauled of similar capacity—the M-10000 achieved about a 90% weight savings through aluminum framing and stressed-skin panels, influencing later models to incorporate similar techniques for up to 30% reductions in individual car weights. This approach not only lowered fuel consumption but also popularized operational speeds over 100 mph, contributing to rail renaissance by restoring public interest in passenger trains amid competition from automobiles and airlines. In modern rail histories, the M-10000 is recognized as an early American streamliner, contributing to broader adoption and setting design precedents despite earlier European experiments like Germany's Fliegender Hamburger. Its technical innovations in diesel integration, aerodynamics, and lightweighting are credited with advancing the U.S. streamliner era, influencing not only Union Pacific but the entire industry's shift toward efficient, modern passenger railroading. The train's legacy persists in contemporary discussions of sustainable rail transport and high-speed rail initiatives as of 2025.

Depictions in Media and Culture

The M-10000 has been depicted in various forms of media as an emblem of technological optimism and rail innovation. Archival footage of the M-10000 features prominently in the documentary series , particularly in the 2001 "Streamliners: America's Lost Trains," where it is shown during its promotional tours, emphasizing its role in revolutionizing passenger rail aesthetics and efficiency. This uses historical newsreels to illustrate the train's high-speed demonstrations, such as races against airplanes, underscoring its cultural significance as a symbol of progress during the . The M-10000's iconic yellow livery often stands out in these visual media, evoking its nickname "Tin Worm" and the era's bold color schemes. As a , the M-10000 was showcased at the 1934 International Exposition in , where it drew crowds as a highlight of transportation exhibits, symbolizing American ingenuity in exhibits and promotional materials. Contemporary newsreels from Paramount and further amplified its image, presenting it as a harbinger of streamlined travel in short films distributed to theaters nationwide. In rail enthusiast circles, HO-scale replicas and model kits of the M-10000 have been produced by brands such as Con-Cor and Nickel Plate Products since the 1970s and 1980s, allowing hobbyists to recreate its pioneering form and fostering ongoing appreciation among model railroaders. Recent continues to celebrate the M-10000's legacy, as seen in Thomas R. Lee's 2012 book Union Pacific's M-10000 and the Early Era 1934-1941, which details its cultural impact through archival photos and accounts, positioning it as a foundational influence on American rail .

References

  1. https://utahrails.net/pass/streamliner-1st-train.php
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  4. https://utahrails.net/up/armour-yellow.php
  5. https://www.trains.com/trn/railroads/history/what-happened-to-the-great-passenger-trains/
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  12. https://library.cqpress.com/cqalmanac/cqal70-1291580
  13. https://www.caterpillar.com/en/news/caterpillarNews/2022/emd-100-years.html
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  21. https://www.trains.com/ctr/railroads/locomotives/union-pacific-armour-yellow-the-paint-scheme-that-never-always-changes/
  22. https://utahrails.net/up/up-diesel-paint-classic-era.php
  23. https://todayinrailroadhistory.com/m-10000/
  24. https://www.thedailyherald.sx/supplements/kids/trains-versus-airplanes
  25. https://www.mtjuliet-tn.gov/DocumentCenter/View/5551/UP-M10000-Passenger-Trainset
  26. https://www.brightontoymuseum.co.uk/index/Category:Union_Pacific_M-10000_streamliner
  27. https://www.mthtrains.com/products/20-2298-1
  28. https://www.nytimes.com/1934/02/13/archives/tomorrows-train-glides-from-shops-union-pacifics-new-m10000-geared.html
  29. https://locomotive.fandom.com/wiki/M-10000
  30. https://digital.library.ucla.edu/catalog/ark:/21198/zz002cpq8w
  31. https://utahrails.net/pass/pass-timeline.php
  32. https://www.railarchive.net/centprog/up_m10000.htm
  33. https://streamlinermemories.info/?p=143
  34. https://www.american-rails.com/e422.html
  35. https://www.trains.com/trn/railroads/history/behind-the-age-of-streamliners/
  36. https://www.pbs.org/wgbh/americanexperience/films/streamliners/
  37. https://www.gettyimages.com/detail/video/union-pacific-railroads-m-10000-streamlined-train-moves-news-footage/814622818
  38. https://www.reddit.com/r/TrainPorn/comments/jq41lg/union_pacific_m10000_on_display_at_the_1934/
  39. https://www.trains.com/mrr/news-reviews/reviews/staff-reviews/con-cor-ho-scale-m10000/
  40. https://uphs-store.myshopify.com/products/copy-of-union-pacifics-m-10000-member
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