Definition of the noun 4-10-2
What does 4-10-2 mean as a name of something?
- Under the Whyte notation system, a steam locomotive that has four coupled leading wheels, ten coupled driving wheels, and one pair of trailing wheels.
4-10-2: Under the Whyte notation for the classification of steam locomotives by wheel arrangement, 4-10-2 represents the arrangement of four leading wheels on two axles, usually in a leading bogie, ten powered and coupled driving wheels on five axles, and two trailing wheels on one axle, usually in a trailing truck. In South Africa, where the wheel arrangement was first used, the type was known as a Reid Tenwheeler. In the United States of America it was known as a Southern Pacific on the Southern Pacific Railroad and as an Overland on the Union Pacific Railroad.