Steam engines smallest to biggest

[TrimetWESFan1003]

Cumberland Pioneer 2-2-2

1800s era 4-4-0

UP 0-6-0

C&O 2-8-4 K4

PRR 4-4-4-4 T1

UP 4-8-8-4 big boy

Bonus: Giant steam turbine engine with C&O repaint.