[cavador]

My bad.Here is a pic of a BigBoy in action.Note the Dual Drivers(4-8-8-4)

They were used to haul freight not passengers.

[Little Pig]

Correct.

I'm preferential to the Allegheny's myself. They burned higher-grade coal, so they made a little more power than the Bigboys, which burned the lower-grade Wyoming coal.