Under the Whyte notation system, a Garratt steam locomotive that is articulated in three parts, with a boiler mounted on the centre frame, and two steam engines mounted in opposite directions on separate frames, one on each end of the boiler, and each engine having a 2-6-4 wheel configuration.

plural of 0-4-0+0-4-0

A youth organization supported and sponsored by the United States Department of Agriculture, offering courses and lessons in agriculture and home economics.

Under the Whyte notation system, a steam locomotive that has a four-wheel leading truck followed by a single driving axle.

Under the Whyte notation system, a steam locomotive that has four leading wheels arranged in a leading truck, two driving wheels and two trailing wheels.

Under the Whyte notation system, a steam locomotive that has two leading wheels followed by two coupled driving wheels and four trailing wheels.

Under the Whyte notation system, the simplest form of steam locomotive, with two axles and four driving wheels, and no leading wheels or trailing wheels.

(rail transport) Under the Whyte notation system, a steam locomotive that has two leading wheels, six coupled driving wheels, and four trailing wheels.

Under the Whyte notation, a steam locomotive that has six coupled driving wheels followed by four trailing wheels, with no leading wheels.

Under the Whyte notation, a steam locomotive that has four coupled driving wheels followed by two trailing wheels, with no leading wheels.