Invention and Engineering
Under the Whyte notation for the classification of steam locomotives, 4-2-2 represents the wheel arrangement of four leading wheels on two axles, two powered driving wheels on one axle, and two trailing wheels on one axle. Other equivalent classifications are: UIC classification: 2A1 French classification: 211 Turkish classification: 14 Swiss classification: 1/4 Like other steam locomotive types with single pairs of driving wheels, they were also known as singles.
East Tennessee and Western North Carolina 12.
Eureka and Palisade Railroad.
Text from Wikipedia; plate via Wikimedia Commons. Text CC BY-SA 4.0; plate freely licensed (see Commons). Source record. Images and catalogue data are reproduced from open-access collections.