Category
page 1Diesel locomotives
diesel locomotive
locomotive powered by a diesel engine

B unit
thumb|BNSF GP60B #346, a rare example of a B-unit of a hood-styled locomotive still in service as of 2016
thumb|B-unit of the Russian TE10|3TE10MK diesel locomotive with a cab-styled body
thumb|Russian industrial electro-diesel locomotive for quarry railways with primary electric locomotive and two diesel-electric B units