Editing Dynamometer car (section)

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[[File:North Eastern Railway Dynamometer Car National Railway Museum York Object Number 1975-7050.jpg|thumb|A [[North Eastern Railway (United Kingdom)|North Eastern Railway]] dynamometer car on display at the [[National Railway Museum]] in York]]
[[File:X32 dynamometer car.jpg|thumb|A [[Victorian Railways|Victorian]] and [[South Australian Railways]] joint stock dynamometer car (coupled between the locomotive [[Tender (rail)|tender]] and the train) being used to record the performance of a [[Victorian Railways X class|VR X class]] locomotive running on pulverised [[Lignite|brown coal]]]]
A '''dynamometer car''' is a [[Rail transport|railroad]] [[Track (rail transport)#Maintenance|maintenance of way]] car used for measuring various aspects of a [[locomotive]]'s performance. Measurements include [[tractive effort]] (pulling force), power, top speed, etc.