In the mid-19th century, this wheel arrangement became the second-most-popular configuration for new steam locomotives in the United States, where this type is commonly referred to as a ten-wheeler. The other was two locomotives built for the 3-foot gauge Ferrocarril Pacifico de Colombia by Armstrong Whitworth in 1924.Prussian P 8, the most numerous 2'C 4-6-0 in the worldĪ 4-6-0 steam locomotive, under the Whyte notation for the classification of steam locomotives by wheel arrangement, has four leading wheels on two axles in a leading bogie and six powered and coupled driving wheels on three axles with the absence of trailing wheels.The first was for the metre-gauge Mogyana Railway of Brazil, with five examples built by Beyer, Peacock and Company in 19.This was a rare wheel arrangement for Garratt locomotives, with only seven locomotives built for two South American customers. On a simple articulated locomotive, only the front engine unit swivels while the rear unit is rigid in relation to the main frame.

Each power unit has two pairs of leading wheels in a leading bogie, followed by three coupled pairs of driving wheels and no trailing wheels.Ī similar wheel arrangement exists for simple articulated locomotives, but is referred to as 4-6-6-4. The wheel arrangement is effectively two 4-6-0 ten-wheeler locomotives operating back to back, with the boiler and cab suspended between the two swivelling power units.

Under the Whyte notation for the classification of steam locomotives by wheel arrangement, the 4-6-0+0-6-4 is a Garratt locomotive. Garratt locomotive wheel arrangement 4-6-0+0-6-4

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