• 2-4-4
• 2-4-4s
• 2-4-4-2
• 2-4-4-2s

2-4-4 (suomeksi)

Määritelmät:

• Under the w:Whyte_notation, Whyte notation system, a steam locomotive that has two leading wheels arranged in a leading truck, four coupled driving wheels and four trailing wheels in a trailing truck.