What is AAR wheel arrangement?
'''AAR wheel arrangement''' is a [[system]] for classifying [[locomotive]]s used in [[North America]]. It is a simplified form of the [[UIC classification of locomotive axle arrangements]]. ==Examples== * A1A-A1A Two bogies or wheel assemblies under the unit. Each bogie has two powered axles and one unpowered axle * B-B Two bogies or wheel assemblies under the unit. Each bogie has two powered axles * C-C Two bogies or wheel assemblies under the unit. Each bogie has three powered axles {{Locostyles}} {{transport-stub}} [[Category:Locomotive classification systems]]