2-4-4T

In Whyte notation, a 2-4-4, or Boston-type, is a steam locomotive with two unpowered leading wheels followed by four powered driving wheels and four unpowered trailing wheels.

2-4-4T

In Whyte notation, a 2-4-4, or Boston-type, is a steam locomotive with two unpowered leading wheels followed by four powered driving wheels and four unpowered trailing wheels.