The largest rigid frame passenger locomotive ever built, only one locomotive was produced to this arrangement, the Pennsylvania Railroad's sole class S1 of 1939 and thus is often referred to as the "Pennsylvania Type".
It is often referred to as the "Pennsylvania Type". The largest rigid frame passenger locomotive ever built, only one locomotive was produced to this arrangement, the Pennsylvania Railroad's sole class S1 of 1939.
The largest rigid frame passenger locomotive ever built, only one locomotive was produced to this arrangement, the Pennsylvania Railroad's sole class S1 of 1939. It is often referred to as the "Pennsylvania Type".
The largest rigid frame passenger locomotive ever built, only one locomotive was produced to this arrangement, the Pennsylvania Railroad's sole class S1 of 1939. It is often referred to as the "Pennsylvania Type".