Invention and Engineering

2-2-2-2

Under the Whyte notation for the classification of steam locomotives, 2-2-2-2 could represent either the wheel arrangement of two leading wheels, four powered but uncoupled driving wheels, and two trailing wheels; or of two independent leading axles (not in a bogie), two driving wheels, and two trailing wheels.

Also on this shelf

See also

• ▸DSER 15 and 16
• ▸Clouded tiger cat
• ▸Ancient Roman engineering

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