självgående betyder på engelska

automotive▼(having the ability to move by itself; self-propelled or self-propelling)
adjective
[UK: ˌɔː.təʊ.ˈməʊ.tɪv] [US: ˌɔːto.ʊˈmo.ʊ.tɪv]

self-propelled▼(having its own means of propulsion)
adjective
[UK: self prə.ˈpeld] [US: ˈself prə.ˈpeld]