At 1917, engineer Louis Boirault proposed a articulated vehicle, capable of dealing with terrain and trenches and outfitted with an impressive armament. Unfourtunely, it is rejected because of the overcomplexity and the huge number of crew needed.
It housed 2 C. de 75 mle.1897 field guns and 10 machine guns. The rear section appeared to be able to transport troops or supplies.
The TB Boirault appeared in Tales of FTAN, as a secondary char. .