Union Pacific Big Boy 4014

Media Summary: In this special episode, Jay Leno explores the world's largest steam engine—the iconic READ THIS DESCRIPTION FIRST BEFORE COMMENTING: To celebrate the US Semiquincentennial, or 250th anniversary, in 2026, the

Union Pacific Big Boy 4014 - Detailed Analysis & Overview

In this special episode, Jay Leno explores the world's largest steam engine—the iconic READ THIS DESCRIPTION FIRST BEFORE COMMENTING: To celebrate the US Semiquincentennial, or 250th anniversary, in 2026, the Rail enthusiasts flocked to Portola, California, to witness the "

Photo Gallery

Big Boy 4014 Unassisted Up Archer Hill, Memorial Day 2026 (Coast to Coast Tour)

Union Pacific’s Big Boy Locomotive - World’s Largest and Most Powerful Steam Train

Big Boy 4014 Highball to North Platte, NE Unassisted!! Very Windy Day (Coast to Coast Tour)

Union Pacific Big Boy #4014 Steam Train Accelerating and Sanding Flues (8/27/21)

Union Pacific 4014 Big Boy arriving at California State Railroad Museum shops.

Big Boy 4014 Steam Train: US 250 Tour

Union Pacific Big Boy 4014 Steam Train 2024

Big Boy 4014 Is Coming East: Full Tour Schedule!

Big Boy 4014: How They Brought a Dead Giant Back to Life Shocked The World!

Big Boy 4014: World's Largest Steam Train Makes Historic First Trip Through California

Big Boy 4014 Departs Cheyenne on America 250 Tour

Big Boy 4014 Steam Train: Return To Steam!

View Detailed Profile

Big Boy 4014 Unassisted Up Archer Hill, Memorial Day 2026 (Coast to Coast Tour)

Big Boy 4014 Unassisted Up Archer Hill, Memorial Day 2026 (Coast to Coast Tour)

Chasing

Union Pacific’s Big Boy Locomotive - World’s Largest and Most Powerful Steam Train

Union Pacific’s Big Boy Locomotive - World’s Largest and Most Powerful Steam Train

In this special episode, Jay Leno explores the world's largest steam engine—the iconic

Big Boy 4014 Highball to North Platte, NE Unassisted!! Very Windy Day (Coast to Coast Tour)

Big Boy 4014 Highball to North Platte, NE Unassisted!! Very Windy Day (Coast to Coast Tour)

Chasing

Union Pacific Big Boy #4014 Steam Train Accelerating and Sanding Flues (8/27/21)

Union Pacific Big Boy #4014 Steam Train Accelerating and Sanding Flues (8/27/21)

READ THIS DESCRIPTION FIRST BEFORE COMMENTING:

Union Pacific 4014 Big Boy arriving at California State Railroad Museum shops.

Union Pacific 4014 Big Boy arriving at California State Railroad Museum shops.

On Friday morning, April 10, 2026,

Big Boy 4014 Steam Train: US 250 Tour

Big Boy 4014 Steam Train: US 250 Tour

To celebrate the US Semiquincentennial, or 250th anniversary, in 2026, the

Union Pacific Big Boy 4014 Steam Train 2024

Union Pacific Big Boy 4014 Steam Train 2024

The

Big Boy 4014 Is Coming East: Full Tour Schedule!

Big Boy 4014 Is Coming East: Full Tour Schedule!

4014

Big Boy 4014: How They Brought a Dead Giant Back to Life Shocked The World!

Big Boy 4014: How They Brought a Dead Giant Back to Life Shocked The World!

Big Boy 4014

Big Boy 4014: World's Largest Steam Train Makes Historic First Trip Through California

Big Boy 4014: World's Largest Steam Train Makes Historic First Trip Through California

Rail enthusiasts flocked to Portola, California, to witness the "

Big Boy 4014 Departs Cheyenne on America 250 Tour

Big Boy 4014 Departs Cheyenne on America 250 Tour

Hundreds gathered in Cheyenne to see

Big Boy 4014 Steam Train: Return To Steam!

Big Boy 4014 Steam Train: Return To Steam!

Union Pacific

Big Boy No. 4014 at speed

Big Boy No. 4014 at speed

Big Boy