Wärtsilä Crichton-Vulcan continued the production with parts made in stock until the last engine, serial number 4 409, was produced in 1958.
Wärtsilä Crichton-Vulcan jätkas tootmist laosolevade osadega, kuni 1958. aastal valmis viimane mootor, seerianumbriga 4409.