The Union Pacific Big Boy No. 4014 is the world's largest operating steam locomotive. It will remain in Cowtown until Sunday, though it will not be on public display after Friday afternoon.

FORT WORTH, Texas - The world's largest operating steam locomotive will be in Fort Worth through the weekend. Union Pacific's Big Boy No. 4014 will chug into Fort Worth to be on display Thursday.

It marked the full delivery of China’s largest order of 15 sets of 30 diesel locomotives coming from Turkmenistan in the past ten years, and the China-Central Asia Summit (#CCAS) deserves a ...

It was built by the North British Locomotive Company, the largest locomotive builder in Europe. The company had three works in Glasgow and exported locomotives to railway all across the globe.