0-6-4T

0-6-4
Diagram of three large driving wheels joined together with a coupling rod, and two small trailing wheels
Front of locomotive at left
Equivalent classifications
UIC classC2, C2'
French class032
Turkish class35
Swiss class3/5
Russian class0-3-2
First known tank engine version
First use1875
CountryEngland
LocomotiveMoel Tryfan
RailwayNorth Wales Narrow Gauge Railways
DesignerGeorge Percival Spooner
BuilderVulcan Foundry
Evolved from0-6-2

Under the Whyte notation for the classification of steam locomotives, 0-6-4 represents the wheel arrangement of no leading wheels, six powered and coupled driving wheels on three axles, and four trailing wheels on two axles.