在专事生产拖拉机的福斯特公司总裁威廉·特里顿以及从事过汽车设计的海军工程师沃尔特·戈登·威尔逊的努力下,1915年8月,第一台履带式越壕车原型车被制造出来,以威尔逊的昵称命名为“小威利”。但在9月19日的展示会上,英国军方对这件样品的越野性能和速度大感失望,要求继续改进。威尔逊乘机提出了一个石破天惊的想法——不如把车体改为菱 With the efforts of William Trenton, Foster’s president specializing in the production of tractors, and Walt Gordon Wilson, a naval engineer engaged in car design, in August 1915 the first prototype of a crawler trench car Made to Wilson’s nickname “Little Willie”. However, at the September 19 show, the British military was greatly disappointed with the off-road performance and speed of the sample and demanded further improvement. Wilson took the opportunity to come up with a startling idea - it is better to change the body to Ling