English Wikipedia has an article on: 2-12-2 Wikipedia 2-12-2 (plural 2-12-2s) Under the Whyte notation system, a steam locomotive that has two leading...
English Wikipedia has an article on: 4-12-2 Wikipedia 4-12-2 (plural 4-12-2s) Under the Whyte notation system, a steam locomotive that has four coupled...
2-10-2 (plural 2-10-2s) Under the Whyte notation system, a steam locomotive that has two leading wheels, five pairs of coupled driving wheels, and two...