Headless engine

A headless engine or fixed head engine{{Cite book |last=Goodsell |first=Don |url=https://books.google.com/books?id=DX-8DAAAQBAJ&dq=%22fixed+head+engine%22&pg=PA60 |title=Dictionary of Automotive Engineering |date=2016-06-27 |publisher=Butterworth-Heinemann |isbn=978-1-4831-0496-6 |language=en}} is an engine where the end of the cylinder is cast as one piece with the cylinder and crankcase.{{Cite web|url=https://www.practicalmachinist.com/vb/antique-machinery-and-history/fairbanks-morse-headless-engine-1917-a-268395/|title=Fairbanks Morse headless engine 1917.|website=www.practicalmachinist.com|date=4 July 2013 }} The most well known headless engines are the Fairbanks-Morse Z and the Witte Headless hit and miss engine{{Cite web|url=http://www.oldengine.org/members/cmsgma/2000show/headless.html|title=Headless Witte Engines|website=www.oldengine.org|access-date=2019-11-22|archive-date=2020-02-25|archive-url=https://web.archive.org/web/20200225115548/http://www.oldengine.org/members/cmsgma/2000show/headless.html|url-status=dead}}