In World War II, much focus is on strategies, battles, and figures, yet an engine played a crucial role in shaping the war’s outcome.

A World War II-era Jeep is a common prop in period movies and television shows, and this example heading to auction in the U.K. with Iconic Auctioneers has made some prominent onscreen appearances.

Famous for off-road-capable SUVs and pickup trucks, the Jeep brand harkens back to Willys-Overland. Established in 1908, Willys produced passenger cars until the early 1940s. That's when it developed ...