The "Allegheny" 2-6-6-6 Locomotive

The Allegheny was the most powerful steam engine ever built. It had a 25,000 gallon water tank and a 25 ton coal bunker. It's firebox was the largest of any steam engine.





Sixty Alleghenys were built from 1941 to 1948.





This Allegheny is at the Henry Ford Museum in Dearborn Michigan.





Inside the cab of th Allegheny at the B&O Railroad Museum in Baltimore Maryland.





You can almost see the firebox in this photo. Unfortunately, our best photos are actually video.