0-4-4T
TANK LOCOMOTIVE WHEEL ARRANGEMENT
0-2-2 (russian); 0-4-4; 0-4-4BT
Under the Whyte notation for the classification of steam locomotives, 0-4-4 represents the wheel arrangement of no leading wheels, four powered and coupled driving wheels on two axles, and four trailing wheels on two axles. This type was only used for tank locomotives.