Back Редови двигател Bulgarian Řadový motor Czech Rækkemotor Danish Reihenmotor German Motor en línea Spanish موتور همراستا Persian Rivimoottori Finnish Moteur avec cylindres en ligne French Linemotor Frisian Mesin segaris ID
Schematic drawing of a straight-four engine
Mercedes D.IIIs on a WW1 AEG G.IV
Inverted Gipsy Major in a DHA-3 Drover
Straight-4 engine in an Indian Four motorcycle
The straight engine (also called inline engine) is a configuration of multi-cylinder piston engine where all of the cylinders are arranged in a single row, rather than radially or in two or more cylinder banks.