Bo-Bo, Bo′Bo′, or B-B is a wheel arrangement classification for railway locomotives with four powered axles mounted in two bogies. Each bogie has two axles, both of which are powered. This configurati
B&O LE-1 Bo+Bo of 1896 for working through the Howard Street Tunnel
Close-up of the coupling between the bogies of a British Rail Class 76 locomotive
The added carrying axle of the JNR Class ED62 Bo-1-Bo
A Bo+Bo wheel arrangement is an electric locomotive, with two four-wheeled chassis or bogies with an articulated connection between them, with the drawbar forces taken through these bogies, and with a
Partial sectioned drawing of a small boxcab Baltimore and Ohio LE-2 [de] of 1903, showing the connection between bogies and drawbar
LNER 6000, the prototype of the British Railways class 76, while on hire to the Dutch national railways in 1947
ChME5 [de; ru] and the four-axled articulated bogie