Note: Yakubov, Vladimir Photo - UP 4-8-8-4 "Big Boy" #4023, Kenefick Park, Omaha, NE. 4014 is currently in service with the UP Heritage Steam collection. The locomotives were held in high regard by crews, who found them sure-footed and more “user friendly” than other motive power. [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. Big Boy No. 4003. While the Big Boy might claim the title of largest operating steam locomotive, the Yellowstone tops it in terms of weight. 4000-4019), Type A (Nos. (Photo courtesy Union Pacific) One of them, No. It was built by ALCO in 1941 along with the other Big Boy locomotives to rectify issues with the preceding 4-6-6-4 "Challenger" class locomotives. ", Big Boy Back in Steam, 4014's Triumphant Return (Trains Magazine SPECIAL ISSUE), Union Pacific Across Sherman Hill: Big Boys, Challengers and Streamliners (Golden Years of Railroading), America's Round-Engine Airliners: Airframes and Powerplants in the Golden Age of Aviation. To get the free app, enter your mobile phone number. The refurbishment and commissioning of the world's largest steam locomotive - the Big Boy 4014 - on the occasion of the Golden Spike anniversary in 2019 caused a sensation. "'Big Boy', the world's largest steam locomotive, is in the news as Union Pacific Railroad plans to restore one of these behemoths to operative condition. 4014 is touring the Union Pacific system throughout 2019 to commemorate the transcontinental railroad's 150th anniversary. The 4-8-8-4 wheel arrangment was unique to both the United States and to the Union Pacific Railroad. One of the biggest and most powerful steam locomotives in history has returned to life: Union Pacific’s Big Boy 4014. The Union Pacific's #4014 "Big Boy" steam locomotive was rebuilt by the UP shops over the past 2 years in celebration of the 150th anniversary of the Trans Continental Railway completion. Union Pacific Big Boy 4014; the world's largest, heaviest and most powerful steam locomotive, is now fully restored to operation! The locomotives were 132 feet long and weighed 1.2 million pounds. Trains.com Holiday Party: A Train Set from Christmas Past, Episode 5. It is among the world's largest steam locomotives. The Big Boy No. It is time to start. Union Pacific’s Big Boy No. The Big Boy leaves Cheyenne for the first time in May. 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. 4005 was converted to burn oil in 1946. Union Pacific’s historic Big Boy steam locomotive will make a few stops this month in Oklahoma. HISTORY: One of five Big Boy locomotives built to supplement the original 20. The mighty engine weighs more than 1.2 million pounds. The Big Boy’s return follows more than two years of restoration. A former museum piece, 4014 was returned to Union Pacific in 2013, and restoration work began in 2016. [21][22] The locomotive was sent on a tour in celebration of the 150th anniversary of the completion of the First Transcontinental Railroad.[23][24]. It also analyzes reviews to verify trustworthiness. Compounding, booster, and feed water heaters were eliminated, as were Baker valve gear and limited cut-off. Your recently viewed items and featured recommendations, Select the department you want to search in. This locomotive was originally built in 1941, the end of steam's glory years. Twenty-five Big Boys were built exclusively for Union Pacific Railroad, the first of which was delivered in 1941. The only Big Boy known to have been moved by highway. The Big Boy was also not a Mallet-type locomotive. 4005 was pulling a freight train through southern, On May 16, 2019, No. Its return to the rails is the product of more than two years of restoration work by the Union Pacific Steam Team. [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. 4023 was kept inside the roundhouse at Cheyenne, Wyo., (with Challenger No. "Seeing the locomotives come together with so many new parts is really exciting." Trains.com Holiday Party: Whistle wiring work, Episode 3. [19] The locomotive was converted back to coal firing in 1948. 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. is releasing its HO Union Pacific Big Boy steam locomotive this August! 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. Of the eight still in existence, No. In this case, the Big Boy Steam Locomotive is an historical engine and there are many people that would look closely and critique my work if I get the detail wrong. From the Pentrex show that covers the return of 4014, https://rfd.video/4014RTS See All Peak horsepower was reached at about 41 mph (66 km/h). Big Boy: Union Pacific: 4000-4024 ALCO: 1941-–44 Steam 4-8-8-4: 548 tonnes (604 short tons) 135,375 pounds-force (602 kN) 6,290 horsepower (4,690 kW) Several on static display. 4014 on display at Sunset Station in San Antonio, Texas on Nov. 5, 2019 during its Southwest tour. [4][5][9], The Big Boys were articulated, like the Mallet locomotive design, though lacking the compounding of the Mallet. No. Without a tender, the Big Boy is longest. [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. It's tale of rejection and acceptance in 1909 and how this engine was left for dead in the wilderness in 1955 and preservationists restored it to full operation 64 years later in 2019. "'Big Boy', the world's largest steam locomotive, is in the news as Union Pacific Railroad plans to restore one of these behemoths to operative condition. Nonetheless, they were among the last steam locomotives withdrawn from service on the Union Pacific. Fantastic whistle action as Union Pacific Big Boy 4014 and UP's 844 doublehead to Ogden in 2019. This locomotive was built by Alco in 1941 along with the other Big Boy locomotives to address the problems concerning the preceding 4-6-6-4 Challenger class locomotives. [7], To achieve these new engineering goals, the locomotive was "comprehensively redesigned from first principles," wrote locomotive historian Tom Morrison. Relatively few Yellowstone locomotives were manufactured: only 72 in total, … 4014, one of 25 such locomotives built by the American Locomotive Company in the 1940s, and a behemoth of a steam … An eighth, Union Pacific 4014, has been rebuilt to operating condition by Union Pacific as part of its steam program. 4014 steam locomotive rolled out of a Union Pacific restoration shop in Cheyenne over the weekend for a big debut after five years … A 4-8-8-4 in the Whyte notation for the classification of steam locomotives by wheel arrangement, is a locomotive with a four-wheel leading truck, two sets of eight driving wheels, and a four-wheel trailing truck.Only a single model of locomotive has ever used this configuration, which is commonly known as "Union Pacific Big Boys" after the railroad which operated them. You're listening to a sample of the Audible audio edition. [12] It was likely the heaviest steam locomotive ever built: the 772,250 lb (350,290 kg) engine and 436,500 lb (198,000 kg) tender together outweighed a Boeing 747. Apr 30, 2014 - Explore The Dancing Flower's board "UNION PACIFIC BIG BOY", followed by 157 people on Pinterest. The UP steam shops with its nine workers originally planned five years for the restoration of the Big Boy. Many consider the 4-8-8-4s or "Big Boys" to be the largest steam locomotives ever built in the entire world. These items are shipped from and sold by different sellers. The locomotives were 132 feet long and weighed 1.2 million pounds. For a complete list of features, visit the Athearn website; Out of stock. With the amount time and energy the Cheynne steam yard puts into restoring these iron giants, the attention is well-deserved. Big Boy lives up to its name—three 40-foot-long school buses would fit inside the locomotive that stretches 132 feet long and more 16 feet high. 4014, and placed it in revenue service. The book shows some of the best action photography taken of Big Boy as provided from the collection of UP rail historian James L. Ehernberger. The steam engine’s name is Big Boy, and he is a very big boy. Now, thanks to the team at NALW, the wait is over and the Big Boy is ready to roll in MSTS. Join the discussion Read and share your comments on this article Related Articles. Union Pacific’s Big Boy No. [11] The maximum drawbar pull measured during 1943 tests was 138,200 lbf (615,000 N) while starting a train. Yellowstone: Northern Pacific. The Big Boy locomotives had large grates to burn the low-quality bituminous coal supplied by Union Pacific-owned mines in Wyoming. 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