4-4-6

A 4-4-6, in the Whyte notation for the classification of steam locomotives by wheel arrangement, is a locomotive with:

four leading wheels (at the front of the locomotive)
four driving wheels (2 axles) fixed in a rigid frame, and
six trailing wheels (normally mounted in a trailing truck).

v t e Steam locomotive wheel arrangements (Whyte notation)
Single engine types	0-2-2 0-2-4 2-2-0 2-2-2 2-2-4T 4-2-0 4-2-2 4-2-4T 6-2-0 0-3-0 (monorail) 0-4-0 0-4-0+4 0-4-2 0-4-4T 0-4-6T 2-4-0 2-4-2 2-4-4T 2-4-6T 4-4-0 4-4-2 4-4-4 4-4-6 0-6-0 0-6-2 0-6-4T 0-6-6T 2-6-0 2-6-2 2-6-4 2-6-6T 4-6-0 4-6-2 4-6-4 0-8-0 0-8-2 0-8-4T 0-8-6T 2-8-0 2-8-2 2-8-4 2-8-6 4-8-0 4-8-2 4-8-4 4-8-6 6-8-6 0-10-0 0-10-2 2-10-0 2-10-2 2-10-4 4-10-0 4-10-2 0-12-0 2-12-0 2-12-2 2-12-4T 4-12-2 4-14-4
Divided drive and duplex engine types	0-2-2-0 2-2-2-0 2-2-2-2 2-2-4-0T 4-2-2-0 2-4-6-2 4-4-4-4 6-4-4-6 4-4-6-4 4-6-4-4
Articulated locomotives Fairlie, Meyer and Garratt types	0-4-0+0-4-0 2-4-0+0-4-2 2-4-2+2-4-2 4-4-2+2-4-4 0-6-0+0-6-0 0-6-2+2-6-0 2-6-0+0-6-2 2-6-2+2-6-2 4-6-0+0-6-4 4-6-2+2-6-4 4-6-4+4-6-4 0-8-0+0-6-0T 2-8-0+0-8-2 2-8-2+2-8-2 4-8-0+0-8-4 4-8-2+2-8-4 4-8-4+4-8-4
Articulated locomotives Mallet types	0-4-4-0 0-4-4-2 2-4-4-0 2-4-4-2 0-6-6-0 2-6-6-0 2-6-6-2 2-6-6-4 2-6-6-6 2-6-8-0 4-4-6-2 4-6-6-2 4-6-6-4 0-8-8-0 2-8-8-0 2-8-8-2 2-8-8-4 4-8-8-2 4-8-8-4 2-10-10-2
Articulated locomotives Triplex and other multiplex types	2-8-8-8-2 2-8-8-8-4 2-8-8-8-8-2 0-6-2+2-4-2-4-2+2-6-0 2-6-6-2+2-6-6-2 2-8-8-8-8-8-2 2-10-10-10-10-10-2 2-4-4-2+2-8-8-2+2-4-4-2
Articulated locomotives Engerth types	0-4-4T 0-4-6T 2-6-4 0-6-4T 0-6-4-0 0-8-4T 0-8-6T
Geared locomotives	Shay Climax Heisler Willamette
Other notation forms: AAR Swiss UIC

4-4-6

United States

France

References

Related Articles