Barrier vehicle
Railway vehicle used to connect two others that have different types of coupling / From Wikipedia, the free encyclopedia
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"Match wagon" redirects here. For another use, see Flatcar § Idler flatcars.
A barrier vehicle (BV), barrier wagon, match wagon or translator coach is used to convert between non-matching railway coupler types. This allows locomotives to pull railway vehicles or parts of a train with a different type of coupler. A match wagon has an identical dual coupling at both ends.