Ånglok tillhörande Union Pacific, UP lok 4000 "Big Boy". Järnvägsmuseet / DigitaltMuseum

Big Boy , Union Pacific Railroad's 4000class 4884 articulated steam NUmber 4005

The Union Pacific's appro. For moving heavy trains through the mountains, each railroad approached the challenge of building powerful locomotives differently.

Teardown of Union Pacific Big Boy 4000 Series. Heartbreaki… Phel Jones Flickr

Union Pacific initially ordered 20 Big Boys from Alco at a cost of $265,174 each. The engines were deliberately overdesigned. For example, they were built to run at speeds up to 80 mph, although they would never be moving freight at that speed. This was done to ensure that rotating parts, such as the rods, would not break in daily service.

ALCO Union Pacific 4000

Number 4000 was delivered to Omaha at 6PM, September 5, 1941. The 25 Big Boys were built in two groups. The first group of 20 locomotives, called "Class 1", were built starting in 1941. They were numbered 4000-4019.. Union Pacific senior manager of Heritage Operations Ed Dickens Jr. said in 2016 that the 4-8-8-4 series originally was to have.

Union Pacific 4884 Big Boy 4000 at the American Company (ALCO) Schenectady NY

Home Heritage UP Steam Big Boy No. 4014 Twenty-five Big Boys were built exclusively for Union Pacific Railroad, the first of which was delivered in 1941. The locomotives were 132 feet long and weighed 1.2 million pounds. Because of their great length, the frames of the Big Boys were "hinged," or articulated, to allow them to negotiate curves.

Big Boy ,Union Pacific Railroad's 4000class 48844005 Stock Photo Alamy

Union Pacific employed Hancock Inspirator Company's whistles on many of its locomotives, including all 4-8-4's, 4-6-6-4's, and 4-8-8-4's. #4014 was fitted with the Hancock Long-Bell 3-Chime. To learn more about this whistle pleaseclick here. Over the next few years the railroad acquired a fleet that totaled 25, #4000-4024.

Big Boy , Union Pacific Railroad's 4000class 4884 articulated steam NUmber 4005

The UP Class 4000, 4-8-8-4 articulated BigBoy was the answer. Alco Locomotive Works was commissioned to build the engine. Starting in 1941, 20 engines were built: #4000 to #4019, then again in 1944, 5 more were delivered #4020 to #4024. At 6PM on September the 5th, 1941, the first BigBoy, #4000, strode through the east end of the UP's Omaha yard.

Class 4884 UP 4000 Class 'Big Boy' Fotos Bahnbilder.de

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Ånglok tillhörande Union Pacific, UP lok 4000 "Big Boy". Järnvägsmuseet / DigitaltMuseum

James Ehernberger 11 x 8.5 horizontal soft cover, 80 pages, 78 photos each, Published by the Union Pacific Historical Society, Click here for more info Volume 1, 0-6-0 Switcher LA&SL 4226 through UP 4430 Volume 2, 0-6-0 Switcher UP 4431 through 4480 Volume 3, 0-6-0 Switcher UP4600, OSL 4700 through OWR&N 4933

ALCO Union Pacific 4000

The American Locomotive Company (ALCO) 4000 Class, better known as the Union Pacific Big Boy, is a 4-8-8-4 simple articulated type of steam locomotive built by the American Locomotive Company (ALCO) specially for the Union Pacific Railroad (UP) between 1941 and 1944. They are the most iconic and best-known steam locomotives on the Union Pacific. Of the twenty five Big Boys that were built.

Union Pacific 4000 "Big Boy" A VILÁG LEGNEHEZEBB ÉS LEGHOSSZABB GŐZMOZDONYA YouTube

Union Pacific VISION Big Boy #4000 SKU: 2331261 Find A Dealer Big Boy - the locomotive needs no further introduction. Union Pacific's twenty-five 4-8-8-4s have been turning heads and leaving lasting impressions since the day they first rolled out of the erecting shop.

ALCO Union Pacific 4000

Union Pacific Railroad (UP) class 4000 "Big Boy" heavy steam freight locomotive. Version with oil firing. Road number 4014. The locomotive looks as it did

Union Pacific 4884 "Big Boy" 4000 class tribute YouTube

4000: The OG Big Boy BUILT, SCHENECTADY, NY: August, 1941 ACCEPTED, OMAHA, NE: September, 1941 SERIAL NUMBER: 69571 MILEAGE: Over 1-Million Miles RETIRED: September, 1961 SCRAPPED: November, 1961 Union Pacific designed its own locomotives, but unlike some railroads of the time did not build them.

ALCO Union Pacific 4000

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 1962.

[WIP] Union Pacific Class 4000 Big Boy (erstmal Digital) Seite 2 Doctor Brick

Union Pacific No. 4000 was a four-cylinder articulated 4-8-8-4 Big Boy -type steam locomotive owned by the Union Pacific Railroad. 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.

ALCO 4000 Class (Union Pacific Big Boy)

Previously, the Union Pacific needed the power from multiple locomotives to traverse this section. UP #4000, the first Big Boy produced. The Design and Delivery. William Jeffers was the president of the Union Pacific during this time and Otto Jabelmann served as the head of Union Pacific's Research and Mechanical Standards Department.

Union Pacific VISION Big Boy 4000

Union Pacific would go on to roster two distinct classes of 4-8-8-4's listed simply as Class 1 (#4000-4019) and Class 2 (#4020-4024) with Alco delivering the final locomotive in 1944. Union Pacific "Big Boys" #4013 and #4003 layover near the shops at Cheyenne, Wyoming, circa 1957.