An equalising beam, equalising lever or equalising barOr "equalizing" beam,etc. (german: Ausgleichshebel or ''Ausgleichhebel'') links the

suspension Suspension or suspended may refer to: Science and engineering * Suspension (topology), in mathematics * Suspension (dynamical systems), in mathematics * Suspension of a ring, in mathematics * Suspension (chemistry), small solid particles suspend ...

of two or more adjacent axles of a vehicle with more than two axles, especially

railway Rail transport (also known as train transport) is a means of transport that transfers passengers and goods on wheeled vehicles running on rails, which are incorporated in tracks. In contrast to road transport, where the vehicles run on a pre ...

locomotive A locomotive or engine is a rail transport vehicle that provides the Power (physics), motive power for a train. If a locomotive is capable of carrying a payload, it is usually rather referred to as a multiple unit, Motor coach (rail), motor ...

s. Its job is to provide 'compensated' springing,Semmens, P.W.B. and Goldfinch A. J. (2003). ''How Steam Locomotives Really Work'', Oxford and New York, OUP, pp. 242-243. . i.e. to ensure an even and

statically determinate In statics and structural mechanics, a structure is statically indeterminate when the static equilibrium equations force and moment equilibrium conditions are insufficient for determining the internal forces and Reaction (physics), reactions on tha ...

distribution of load to all the axles on uneven terrain or poorly laid track. The function of an equalising lever thus corresponds roughly to that of axle compensators or rockers (''Achswippen'').

Notes

References

Automotive suspension technologies Rail technologies {{locomotive-stub