Big Boy

The world's largest steam locomotive returns to the rails.

Big Boy Returns!

One of the biggest and most powerful steam locomotives in history is coming back to life: Union Pacific’s Big Boy.

Big Boy weighs in at 600 tons, is 132 feet long, and can move at up to 80 mph while pulling a fully loaded freight train with the force of about 7,000 hp. Union Pacific introduced the first of 25 of these steam locomotives in 1941 and retired them from active service in July 1959. 
Several 4-8-8-4 locomotives later went to museums around the United States for preservation. In 2013, Union Pacific bought back Big Boy No. 4014 from a museum in Pomona, Calif., to restore and operate. The restoration in 2019 is timed to celebrate the completion of the first Transcontinental Railroad in 1869.

Come here to learn all about Big Boy, watch videos, see beautiful photo galleries, and share stories about one of the world’s biggest steam locomotives.
Only from Trains!

Big Boy DVD

Big Boy: Back in Steam DVD

One of the biggest and more powerful steam locomotives in history is coming back to life!

You can now order this exclusive video from Trains documenting the first phase of this locomotive’s journey to restoration. The DVD also features historical footage of Union Pacific Big Boys in action, plus exclusive video of interviews and images of No. 4014's restoration in Cheyenne, Wyo., and May 2019 runs in classic Western American scenes.


Are Wyoming cities prepared for the Big Boy 4-8-8-4 steam locomotive visit?

Trains finds that three communities are aware of Union Pacific's plans to place a giant steam locomotive in their midst, but have few plans for tourists

Tickets for Big Boy christening in Cheyenne go on sale March 22

CHEYENNE, Wyo. – Tickets for a front row seat to see Union Pacific Big Boy No. 4014 depart Cheyenne on its inaugural run in May are going on sale March 21. The Cheyenne Depot Museum is selling tickets to a special christening ceremony scheduled for May 4, when No. 4014 is expected to depart for Ogden, Utah, to celebrate the 150th anniversary of the completion of the first Transcontinental Railroad. Two tiers of tickets will be sold: $40 "VIP" tickets will grant attendees access to the de...

UP steam tests Big Boy No. 4014 at the Cheyenne shop

CHEYENNE, Wyo. — Union Pacific said Wednesday it is steam testing restored Big Boy No. 4014. In a post to the company’s Official Union Pacific Steam Club Facebook page, the railroad showed a 13 second video clip taken from the engineer’s side of the locomotive at the cab, looking forward with steam billowing up. The caption said: “Steam testing in Cheyenne. The UP Steam Team has applied steam multiple times to UP 4014 as they continue to work through the process of bring...


Big Boy chase photos
On April 29, 2014, Trains' video crew chased No. 4014 through the depths of California's Mojave Desert. See a gallery of photos from their journey.


Trains News Wire video for March 15

Big Boy No. 4014, Norfolk & Western No. 611, Amtrak looks at Duluth

News Wire Round-Up for the week of Feb. 15, 2019

This week, editors discuss Union Pacific's Big Boy, CSX line sales, California High Speed Rail, and more!

News Wire Round-up for Feb. 8, 2019

Each week, Trains editors discuss all the news that is fit to publish. This week, Trains Editor Jim Wrinn and Digital Editor Steve Sweeney talk about the Big Boy steam locomotive's hydrostatic test; a Canadian Pacific runaway train in British Columbia, Amazon becoming a common carrier, and more! Only from Trains!...


Order this special issue now! Featuring the inside story of the beginning of the engine’s historic journey, a behind the scenes look at No. 4014’s removal from the Los Angeles County Fairgrounds, exclusive images of Union Pacific’s historic restoration effort, plans for the restoration that will lead to the live Big Boy, a gallery of our most iconic Big Boy images from the Trains archive, and so much more!

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Learn more about the stories and photos in this months issue

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