It's the prototype Schneider CD3 - based on the proposed Schneider CA3 tank - designed to combine the roles of artillery portee and tractor. Tested in October 1918 - not
produced due to the end of WW1 and a change in policy which saw no role for artillery portee vehicles.
"Sometimes things that are not true are included in Wikipedia. While at first glance that may appear like a very great problem for Wikipedia, in reality is it not. In fact, it's a good thing." - Wikipedia.
