Under the Whyte notation system, a steam locomotive that has two leading wheels followed by two sets of coupled driving wheels, and no trailing wheels.

Under the Whyte notation system, a steam locomotive that has four leading wheels on a leading truck followed by two sets of coupled driving wheels, and no trailing wheels.

Under the Whyte notation system, a steam locomotive that has four leading wheels on a leading truck followed by three sets of coupled driving wheels, and no trailing wheels.

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

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

Under the Whyte notation system, a steam locomotive that has four leading wheels on a leading truck followed by four sets of coupled driving wheels, and no trailing wheels.

plural of 0-4-4

plural of 0-10-0

plural of 0-4-2

Under the Whyte notation system, a steam locomotive that has a single-axle leading truck followed by six powered driving axles, and no trailing wheels.