If a steam locomotive is described as a 2-4-0, how many driving wheels does it have?
2-4-0+0-4-2 Uda Pussellawa railway. Until the 1960s, the locomotive was occasionally operated on the Kelani Valley Line. It was withdrawn from service in 1972 and was scrapped in 1981. 2-4-0+0-4-2 Under the Whyte notation for the classification of steam locomotives by wheel arrangement, is an articulated locomotive, usually of the Garratt type. The wheel arrangement is effectively two locomotives operating back to back, with the boiler and cab suspended between the two power units. Each power unit has two leading wheels on one axle, four powered and coupled driving wheels on two axles and no trailing wheels. Since the type is
2-6-8-0 in a RAF bombing raid. 2-6-8-0 A 2-6-8-0 steam locomotive, in the Whyte notation for describing locomotive wheel arrangements, has two leading wheels, a set of six driving wheels, a set of eight driving wheels, and no trailing wheels. These locomotives usually employ the Mallet principle of articulation, with a swinging front engine and a rigidly attached rear engine. Other equivalent classifications are: UIC classification: 1CD (also known as German classification and Italian classification) French classification: 130+040 Turkish classification: 34+44 Swiss classification: 3/4+4/4 The UIC classification is refined to (1'C)D for Mallet locomotives. This type of articulated locomotive is unusual