In 1916, during the First World war, the French army sed this loco for logistic duties. Nowadays it is preserved in the beautiful French Railway Museum CITE DU TRAIN in Mulhouse. 

Locotracteur built by Crochat, with gasoline engine and military armour. 
138 units were built around 1916, so it's one of the first series-built 
internal combustion locomotives.

Scanned photo by Leon Schrijvers  Leon2711schrijvers@yahoo.co.uk