Back Motor de siete cilindros en línea Spanish موتور هفت سیلندر خطی Persian Motore in linea a sette cilindri Italian 7기통 직렬 엔진 Korean
A straight-seven engine or inline-seven engine is a straight engine with seven cylinders. It is more common in marine applications because these engines are usually based on a modular design, with individual heads per cylinder.