2-12-2

Under the Whyte notation for the classification of steam locomotives, 2-12-2 represents the wheel arrangement of two leading wheels on one axle (usually in a leading truck), twelve powered and coupled driving wheels on six axles, and two trailing wheels on one axle (usually in a trailing truck).

Equivalent classifications

Other equivalent classifications are:

• UIC classification: 1F1 (also known as German classification and Italian classification)
• French classification: 161
• Turkish classification: 68
• Swiss classification: 6/8

Other names

This wheel arrangement is infrequently called "Javanic", after the use of large 2-12-2Ts in Java.