🌐EnglishEnglishFrançaisItalianoPortuguêsРусскийفارسی日本語EntityQ4156513· pop 6· linked from 104 articlesstraight-nineAlso known as straight 9, inline-nine, inline 9, I-9, I9, L9inline piston engine with nine cylindersAvailable in 6 languages日本語PortuguêsItalianoNorwegianفارسیvia Wikidata sitelinks · CC0Connectionsreciprocating engineEntitysingle and double-acting cylindersEntityCategoriesNine-cylinder enginesPiston engine configurationsStraight engines