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Submitted on
July 7, 2008
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3.8 MB
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3008×2000
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Camera Data

Make
NIKON CORPORATION
Model
NIKON D50
Shutter Speed
10/3200 second
Aperture
F/4.0
Focal Length
55 mm
Date Taken
Jul 4, 2008, 8:53:23 AM

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Creative Commons License
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BIG BOY by jhg162 BIG BOY by jhg162
UNION PACIFIC RAILROAD NO. 4012

Whyte System Type: 4-8-8-4 "Big Boy"
Class:

Builder: American Locomotive Company
Date Built: November 1941
Builder's Number: 69583

Cylinders (diameter x stroke in inches): 23-3/4 x 32 (four)
Boiler Pressure (in lbs. per square inch): 300
Diameter of Drive Wheels (in inches): 68
Tractive Effort (in lbs.): 135,375

Tender Capacity:
Coal (in tons): 28
Oil (in gallons): Not applicable
Water (in gallons): 24,000

Weight on Drivers (in lbs.): 540,000; Total Weight: 1,200,000

Remarks: Overall length: 132 feet, 9-1/4 inches; retired by the Union Pacific in February 1962 after logging 1,029,507 miles. In good mechanical condition, but with small parts missing.


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Union Pacific Railroad 4-8-8-4 Locomotive No. 4012

History: Brief background on the 19th century history of the Union Pacific Railroad appeared in the discussion of Union Pacific Locomotive No. 737. By the 20th century, the Union Pacific had gone through the processes of bankruptcy and reorganization, and early in the 20th century experienced rejuvenation in the hands of one of America's foremost railroad managers, the legendary Edward Henry Harriman. The company had lost its lines south of Denver extending southeastward across Colorado, New Mexico, and Texas, as well as its narrow gauge lines into the Colorado Rockies, during the bankruptcy of the 1890s, but under Harriman, it experienced not only a complete overhaul of its physical plant but also new construction across southwestern Utah, southern Nevada, and southern California to reach the growing metropolis of Los Angeles as well as a tidewater port at San Pedro. Thus the Union Pacific of the 20th century extended from Omaha to Cheyenne to Ogden to Portland, as well as to Denver, Salt Lake City, Las Vegas, Los Angeles, and San Pedro. It also owned a line between Denver and Kansas City. It was, furthermore, a thoroughly modern and up-to-date railroad.

Union Pacific Railroad Engine No 4012 is one of eight 4-8-8-4 "Big Boy" locomotives that have survived out of 25 that were built and operated. Its class remained among the largest steam locomotives in the United States, and locomotives of this type operated on no other railroad. Built in 1941, Engine No. 4012 is the epitome of modern, main line heavy-duty steam motive power. This class of engine was created to haul heavy freight trains over the mountain divide known as Sherman Hill between Cheyenne and Laramie in southeastern Wyoming and further west, across the deserts and then the Continental Divide in south-central Wyoming and the Wasatch Range in northeastern Utah, on the run between Cheyenne, Wyoming, and Ogden, Utah. The engine is one of 52 historic Union Pacific steam locomotives that escaped the scrappers' cutting torches. Engine No. 4012 is the only articulated locomotive (with more than a single set of drive wheels pivoting on more than one center) currently in the Steamtown collection. No. 4012 worked on the run between Cheyenne and Ogden for more than 20 years, rolling 1,029,507 miles before the Union Pacific retired the locomotive in February 1962.
Add a Comment:
 
:iconenrico1946:
Enrico1946 Featured By Owner May 18, 2014  Hobbyist Writer
That is some mighty beast, I still love the classic duplex designs this was an amazing locomotive thats for sure :D :D
Reply
:iconblitzkriegoperative:
Blitzkriegoperative Featured By Owner Sep 5, 2011  Hobbyist Writer
He should be put back into service not left to rust. He still has the power to pull large loads even better than Dieseal.
Reply
:iconmasterofwolves99:
MasterofWolves99 Featured By Owner Aug 26, 2010
you know, when i took a picture of this, it is clean :)
Reply
:icondeus-est-femina:
Deus-est-femina Featured By Owner Apr 8, 2010  Hobbyist Photographer
beautiful loco....shame its not working...although maybe one day!!!
Reply
:iconswisstrain:
SwissTrain Featured By Owner Mar 28, 2010
It's bad thath there isn't a running exemplar , nice photo!
Reply
:iconyrt9401:
YRT9401 Featured By Owner Mar 19, 2014
There soon will be a running Big Boy (4014)
Reply
:iconjhg162:
jhg162 Featured By Owner Apr 3, 2010
Thanks!
Reply
:iconsfinx01:
SFINX01 Featured By Owner Mar 23, 2010   Traditional Artist
this is most badass thing ive ever seen
Reply
:iconjhg162:
jhg162 Featured By Owner Mar 24, 2010
I agree. I would love to see one of these restored.
Reply
:icongaara2112:
Gaara2112 Featured By Owner Mar 15, 2009  Hobbyist General Artist
wow, i cant believe in how bad of shape he's in. even if they cant run him, they should at least fix it so it looks a little nicer. and would be in a condition to be used if ever needed
Reply
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