In 1936, Union Pacific introduced the Challenger-type (4-6-6-4) locomotives on its main line over the Wasatch Range between Green River and Ogden. use the Big Boy as a helper for Sherman Hill for a few runs before releasing it back to the freight pool. The locomotive, an articulated design (meaning that either one, or both, set of driving wheels pivots to better and more safely negotiate curves), was of the 2-6-6-6 wheel arrangement and based purely on hor… They had a 4-8-8-4 wheel arrangement, which meant they had four wheels on the leading set of "pilot" wheels which … Meet the Union Pacific Big Boy, a steam locomotive built to handle extremely heavy freight through the treacherous grades of the Wasatch Mountains. How can a 4-8-8-4 weigh less then a 2-6-6-6? But that’s difficult to understand, given that during its tests the Big Boy was operated at full capacity and the boiler was fully supplying the demands of the machinery. So Union Pacific decided to design a new locomotive that could handle the run b… 4005 was pulling a freight train through southern, On May 16, 2019, No. But no engine ever came close to matching "Big Boy's" combination of speed, power and agility. [20], In 2019, Union Pacific completed the restoration of No. Their duties were assumed by diesel locomotives and gas turbine-electric locomotives. Built in November 1941 by the American Locomotive Company (ALCO) of Schenectady, New York, No. The Union Pacific 'Big Boy' is arguably the most famous locomotive in the USA and is known by railfans across the globe. Steam locomotive manufacturers added more wheels with idlers and powered drive wheels. 4014 and placed it in excursion service. Today, eight Big Boys survive, with most on static display at museums across the country. [4][9] Along with the Challengers, the Big Boys arrived on the scene just as traffic was surging in preparation for American participation in World War II. It remains the most powerful steam locomotive in the world and charts high on the all-time lists of longest and heaviest steam locomotives ever built. The trend toward size and power culminated in the 1.2 million pound, 6,200 horsepower 4-8-8-4 "Big Boy.". 1932163 Features: O-31 operation, two can-style motors, LionChief Plus 2.0 command and sound system, smoke unit, remote coupler Low speed (cmd): 1.7 scale mph Low speed (conv) 3 smph High speed: 76.2 smph Drawbar pull: 2 lb., 2 oz. Though it remains non-operative, it remains a most impressive machine. [8] The overall design simplified some aspects of previous locomotive designs and added complexity elsewhere. Union Pacific 4012: Big Boy The "Big Boy" locomotive in Steamtown's collection is on display next to the parking area. Check out Squarespace: http://squarespace.com/megaprojects for 10% off on your first purchase. 4014, back to Union Pacific." Just months before Pearl Harbor, the American Locomotive Company delivered the first Big Boy to the Union Pacific Railroad. An eighth, Union Pacific 4014, has been rebuilt to operating condition by Union Pacific as part of its steam program. [19] Unlike a similar effort with the Challengers, the conversion failed due to uneven heating in the Big Boy's large, single-burner firebox. On April 27, 1953, No. 4014 is the only operating Big Boy of the eight that remain in existence. Today, No. [4][6] It was designed to travel smoothly and safely at 80 miles per hour. Designed and built almost exclusively for the Chesapeake & Ohio by the Lima Locomotive Works (the Virginian would be the other buyer of the locomotive). Are you really the biggest? 4014 partially derailed, with two axles from one set of drive wheels falling into the gauge, while entering the yard at, This page was last edited on 14 March 2021, at 23:07. Length: 132 Feet, 9 7/8 Inches. Weighing over 1,189,000 lb (539,000 kg), the engine produced 6,290 hp … Before long, the run from Ogden to Cheyenne was the normal Big Boy operat-ing area. General park info (recorded) with options to select specific departments, offices or employee extensions. [18] Another short-term experiment was the fitting of smoke deflectors on locomotive 4019, similar to those found on the railroad’s FEF Series, as well as some of their Challengers. 150 South Washington Avenue "Union Pacific Railroad announced on July 23, 2013, that it reached an agreement with the Southern California Chapter - Railway & Locomotive Historical Society in Pomona, Calif., to transfer ownership of one of the world's largest steam locomotives, Big Boy No. Ball placed it in an Engineer Master II case that is 46mm wide in steel. [11] The maximum drawbar pull measured during 1943 tests was 138,200 lbf (615,000 N) while starting a train. As the enormous hulk of the first of Union Pacific’s new 4-8-8-4s emerged in ALCO’s erecting plant in Schenectady, NY, a worker looked upon the brute and simply chalked “Big Boy” on the engines side. Weight on Drivers: 545,200 lbs (second class) Locomotive Weight: 772,250 lbs Tender Weight: 436,500 lbs Locomotive & Tender Weight: 1,208,750 lbs Grate Area: 150 sq ft Cylinders: (4) … Union Pacific 4014, also known as the "Big Boy", is a steam locomotive owned and operated by the Union Pacific Railroad for their heritage fleet. The "Big Boys" were not the most powerful engines, though they were the heaviest. [11], The Big Boy has the longest engine body of any reciprocating steam locomotive, longer than two buses. Most were stored operational until 1961 and four remained in operational condition at Green River, Wyoming until 1962. They were capable machines; their rated hauling tonnage was increased several times over the years. 570-340-5200 They were the only locomotives to use a 4-8-8-4 wheel arrangement: four-wheel leading truck for stability entering curves, two sets of eight driving wheels and a four-wheel trailing truck to support the large firebox. [7], To achieve these new engineering goals, the locomotive was "comprehensively redesigned from first principles," wrote locomotive historian Tom Morrison. [3][4] So Union Pacific decided to design a new locomotive that could handle the run by itself:[5] faster and more powerful than the compound 2-8-8-0s that UP tried after World War I, able to pull long trains at a sustained speed of 60 miles per hour (100 km/h) once past mountain grades. Small logging and mining railroads purchased geared locomotives - Heislers, Climaxes and Shays - which could pull trains at low speed up steep hills. [6] The new locomotive was carefully designed not to exceed an axle loading of 67,800 lb (30,800 kg), and achieved the maximum possible starting tractive effort with a factor of adhesion of 4.0. [16][19] By contrast, No. Scranton, PA This large locomotive, when running, weighed in at 1,189,500 pounds - just under 600 tons. B ack on our website by popular demand!. But the "proliferation of valves and gauges on the backhead showed that running a Big Boy was an altogether more complicated and demanding task for the crew than running previous existing locomotives," Morrison wrote. Union Pacific Big Boy 4-8-8-4 Specifications. The locomotives were 132 feet long and weighed 1.2 million pounds. As part of Union Pacific's celebration of the transcontinental railroad being finished, they are sending Big Boy to tour across the system. Its always been between Union Pacific’s Big Boy and the C&O Allegheny! They did the work of three smaller engines, pulling 120-car, 3800 ton freight trains at forty miles per hour in the mountains of Utah and Wyoming. The Allegheny Type locomotive was true power to say the least! Wheel Arrangement: 4-8-8-4 Big Boy (Union Pacific) Length: 132 -10 Drivers: 68" dia. Coal was carried from the tender to the firebox by a stoker motor: a steam engine driving an auger. [23][24], Of the original 25 Big Boy locomotives, seven are on static display: two of these are displayed indoors while the other five are displayed outdoors without protection from the elements. The extra wheels added length. The backhead of a steam locomotive is the end of its firebox facing inside the cab. The Union Pacific ordered larger, more powerful engines such as the 4-12-2 Union Pacific-type and 4-6-6-4 Challengers. [12] There is some speculation that the first series of Chesapeake and Ohio 2-6-6-6 “Allegheny” locomotives, built by the Lima Locomotive Works in 1941, may have weighed as much as 778,200 lb (353,000 kg), exceeding the Big Boys, but subsequent re-weighs of early-production H8s, under close scrutiny by the builder and the railroad, found them to be less than 772,250 lb (350,290 kg).[13][14]. The apt but impromptu name stuck. Traveled 1,064,625 miles in freight operation, farther than any other Big Boy. Nonetheless, they were among the last steam locomotives withdrawn from service on the Union Pacific. Union Pacific 4012 is one of eight preserved Union Pacific Big Boy locomotives. First rolling off the production line in 1941, with the final member of the class entering service in 1944, the Big Boy was the last great steam locomotive designed for the Union Pacific Railway. In the late 1940s, they were reassigned to Cheyenne, Wyoming, where they hauled freight over Sherman Hill to Laramie, Wyoming. Hauling a 3,600-short-ton (3,300 t; 3,200-long-ton) freight train demanded double headingand helper operations, which slowed service. [5], Led by Otto Jabelmann, the head of the Research and Mechanical Standards section of the UPRR (Union Pacific Railroad) Mechanical Department, the UP design team worked with ALCO (the American Locomotive Company) to re-examine their Challenger locomotives. 4005 converted to oil fuel in 1946 and reverted to coal in 1948. [10] They were built with a wide margin of reliability and safety, and normally operated well below 60 miles per hour (100 km/h) in freight service. [2][3] For most of the route, the maximum grade is 0.82% in either direction, but the climb eastward from Ogden, into the Wasatch Range, reached 1.14%. Click here if you are stuck in someone else's frame "The largest and most magnificent steam locomotives ever built! The last revenue train hauled by a Big Boy ended its run early in the morning on July 21, 1959. As an experiment, No. Eventually, every railroad faces the same problem: how to move trains over mountains? BOX 100 MALDEN, MA 02148 USA www.usatrains.com Big Boy 4014 goes on tour. [4][5][9], The Big Boys were articulated, like the Mallet locomotive design, though lacking the compounding of the Mallet. 4014 as it rolls into suburbs People line both sides of the tracks to take photos as … That tour included a summer race across the Midwest and the current Great Race Across the Southwest.. On tour, the restored steam engine hauls a diesel-electric locomotive. [6] The team found that Union Pacific's goals could be achieved by enlarging its firebox to about 235 by 96 inches (5.97 m × 2.44 m) (about 150 sq ft or 14 m2), increasing boiler pressure to 300 psi, adding four driving wheels, and reducing the size of the driving wheels from 69 to 68 in (1,753 to 1,727 mm) on a new engine. The Union Pacific logo on the dial is a nice Americana touch. Total Engine And Tender Weight: 1,189,500 Pounds (Class 1)/1,208,750 Pounds (Class 2) Produced from 1941 to 1944 by the American Locomotive Company of Schenectady, N.Y., exclusively for the Union Pacific Railroad, the Big Boy locomotives were designed primarily to handle heavy freight traffic in Union Pacific LEGACY Scale 4-8-8-4 Big Boy #4014 Joshua Lionel Cowen Series Union Pacific 4-8-8-4 Big Boy Picture yourself in 1942 standing atop Sherman Hill in Wyoming alongside the Union Pacific mainline. The "Big Boys" were built for power. It is a four-cylinder simple articulated 4-8-8-4 "Big Boy" type built in 1941 by the American Locomotive Company (ALCO) of Schenectady, New York. It was displayed, non-operative, there until 1984 when it was moved to Scranton, Pennsylvania. Large railroads like the Union Pacific Railroad, stretching from Kansas City, Missouri and Omaha, Nebraska to Seattle, Washington and Los Angeles, California, preferred a different solution. The American Locomotive Company manufactured 25 Big Boy locomotives for Union Pacific; a group of 20 in 1941 and one group of five in 1944. Thank you to everyone! The debate as to which is the largest steam locomotive ever built goes on to this day. Union Pacific Big Boy. Union Pacific, always looking for bigger and better pulling power, envisioned a locomotive the size of a Big Boy to do the pulling---and the Big Boy did. 4014 passed through Wadsworth, Northbrook, Des Plaines, Elmhurst and Wheaton on its way to the Larry S. Provo Training … Builder: American Locomotive Company's (Alco) Schenectady Works. To herald the railroad’s activities during World War II and highlight their … 4014, was re-acquired by Union Pacific and rebuilt to operating condition in 2019, regaining the title as the largest and most powerful operating steam locomotive in the world. The only surviving Big Boy from the second group built in 1944, and the only Big Boy known to have been moved by highway. With power, though, comes weight - larger cylinders, pistons, drive rods, boiler and firebox. Because of their great length, the frames of the Big Boys were "hinged," or articulated, to allow them to negotiate curves. These were later removed, as the Big Boys' nozzle and blower in the smoke box could blow smoke high enough to keep engineers’ lines of sight clear. The biggest steam locomotive in the world is the Union Pacific Big Boy, designed by Otto Jabelmann and built by ALCO in 1941 to pull long, heavy trains over the mountains. [4] Hauling a 3,600-short-ton (3,300 t; 3,200-long-ton) freight train demanded double heading and helper operations, which slowed service. O gauge Union Pacific 4-8-8-4 Big Boy by Lionel Price: $1199.99 no. The Big Boy is a big watch. Height: 11.08 Feet (133 Inches) Cylinders (4)/Diameter/Stroke: - 23.75" x 32" Total Engine Weight: 762,000 Pounds. [12] It was the 2nd heaviest steam locomotive ever built,(behind only the Duluth Missabe & Iron Range 2-8-8-4 Yellowstone locomotive) the 772,250 lb (350,290 kg) engine and 436,500 lb (198,000 kg) tender together outweighed a Boeing 747. The Railfan Nation named this 6 out of the top 50 pictures in the group for the year 2012. No. "Railway Age, October 4, 1941: UP's "Big Boy" debuts", "Huge Big Boy steam locomotive coming back to life", "Refurbished 'Big Boy' locomotive weighs more than a Boeing 747", "Marklin 37994 Union Pacific "Big Boy" Steam Loco", "The Big Boy leaves the shop and heads into history", "UP steam crew has Big Boy ready to roll", "World's largest locomotive coming to West Chicago to celebrate 150th anniversary of Transcontinental Railroad completion", "DISASTER ON THE RAILS: The Wreck of the 4005", "Big Boy Derailed On Way To Laramie, Back On Schedule", "Cheyenne's Big Boy 4004 to shine in new paint July 9", "The Forney Museum is worth getting around to", https://www.nps.gov/stea/learn/news/steamtown-national-historic-site-s-union-pacific-big-boy-no-4012-removed-from-public-display-for-cosmetic-restoration-and-painting.htm, National Railroad Museum, Green Bay, Wisconsin, "Big Boy Steam Locomotive Arrives at its New Home in Frisco", Museum of American Railroad, Frisco, Texas, https://en.wikipedia.org/w/index.php?title=Union_Pacific_Big_Boy&oldid=1012161506, Standard gauge locomotives of the United States, Short description is different from Wikidata, All articles with vague or ambiguous time, Vague or ambiguous time from November 2019, Creative Commons Attribution-ShareAlike License, 5,500–6,290 hp (4,100–4,690 kW) @ 41 mph (Drawbar), Cost to build US$ 265,000 in 1941, equivalent to $4,606,324 in 2019. 4000, then under construction as the first of its class. Apr 30, 2014 - Explore The Dancing Flower's board "UNION PACIFIC BIG BOY", followed by 157 people on Pinterest. 4014 was successfully converted to oil during its restoration. Each Big Boy ran about 7,000 miles each month throughout their careers. The Union Pacific Big Boy is a type of simple articulated 4-8-8-4 steam locomotive manufactured by the American Locomotive Company (ALCO) between 1941 and 1944 and operated by the Union Pacific Railroad in revenue service until 1959. Long engines had difficulty squeezing through the sharp track curves, especially in the mountains. A Swiss designer, Anatole Mallet (1837-1919) added a "hinge" to the middle of a locomotive to allow it to "flex" slightly. "Big Boy" #4012 was retired by the Union Pacific in 1962, when F. Nelson Blount obtained it for display at his former Bellows Falls, Vermont, museum. [Union Pacific Railroad News Release] Click the image to follow the Union Pacific's progress! The Big Boy locomotives had large grates to burn the low-quality bituminous coal supplied by Union Pacific-owned mines in Wyoming. The UP's Department of Research and Mechanical Standards had designed the locomotive for a specific task: to pull a 3600-ton train unassisted over the Wasatch Mountains in Utah. Union Pacific “Big Boy” Number 4014 Interactive Backhead Photo What does that button, valve, lever, gauge, light, knob, etc. One of them, No. actually do??? 4012 was retired in 1962 and donated to Steamtown, U.S.A, in Bellow Falls, Vermont, and later moved to Steamtown National Historic Site in Scranton, Pennsylvania, where it remains today. But postwar increases in the price of coal and labor, along with the advent of efficient, cost-effective diesel-electric power, spelled the end of their operational lives. Compounding, booster, and feed water heaters were eliminated, as were Baker valve gear and limited cut-off. Current production road name: Union Pacific Website: lionel.com The biggest The 25 Big Boy locomotives were built to haul freight over the Wasatch mountains between Ogden, Utah and Green River, Wyoming. Today only eight Big Boys remain, mostly on display–except for the impressive restoration that you can see in the photo. The 25 "Big Boys" were built to pull long, fast freight trains over the Wasatch Mountains of Utah and Sherman Hill in Wyoming. They served there until 1959 when the new diesel-electric locomotives took over. Predecessor Union Pacific 4-8-8-4 Big Boy; Successors 19 airplane(s) +21 bonus; Created On Windows; Wingspan 12.7ft (3.9m) Length 155.6ft (47.4m) Height 17.0ft (5.2m) Empty Weight 981,688lbs (445,287kg) Loaded Weight 1,105,903lbs (501,629kg) To celebrate the 150 th anniversary of the Transcontinental Railroad, Union Pacific sent Big Boy 4014 on a tour of the UP rail system. Unofficial Union Pacific "Big Boy" 4-8-8-4 Steam Roster. 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