Allegheny articles

Was the Allegheny more powerful than the Big Boy?

Was the Allegheny more powerful than the Big Boy?

In what pivotal year were both the Union Pacific Big Boy and the Chesapeake & Ohio Allegheny introduced?

In what pivotal year were both the Union Pacific Big Boy and the Chesapeake & Ohio Allegheny introduced?

What is the specified wheel arrangement for the Union Pacific Big Boy locomotive?

What is the specified wheel arrangement for the Union Pacific Big Boy locomotive?

Which company was responsible for building the Chesapeake & Ohio Allegheny locomotives?

Which company was responsible for building the Chesapeake & Ohio Allegheny locomotives?

The Union Pacific Big Boy was conceived to conquer which formidable mountain range, featuring a ruling grade of 1.14%?

The Union Pacific Big Boy was conceived to conquer which formidable mountain range, featuring a ruling grade of 1.14%?

Which metric demonstrates the Big Boy's dominance, boasting raw pulling muscle with cited figures around 135,375 pounds?

Which metric demonstrates the Big Boy's dominance, boasting raw pulling muscle with cited figures around 135,375 pounds?

According to dynamometer tests, which locomotive claims the title for the highest verified sustained output, generating approximately 7,498 horsepower?

According to dynamometer tests, which locomotive claims the title for the highest verified sustained output, generating approximately 7,498 horsepower?

What substantial infrastructure investment did Union Pacific have to make to accommodate the immense size and weight of the Big Boy?

What substantial infrastructure investment did Union Pacific have to make to accommodate the immense size and weight of the Big Boy?

What was the specific H-class designation given to the Chesapeake & Ohio Allegheny locomotives?

What was the specific H-class designation given to the Chesapeake & Ohio Allegheny locomotives?

What specific operational context meant the Allegheny often utilized its massive boiler and firebox below its designed potential?

What specific operational context meant the Allegheny often utilized its massive boiler and firebox below its designed potential?

Which locomotive is generally recognized as the longest steam locomotive ever built in the United States, measuring approximately 133 feet with its tender?

Which locomotive is generally recognized as the longest steam locomotive ever built in the United States, measuring approximately 133 feet with its tender?