“It proved to be a very good ambulance. Its light weight made it well-suited for use on the muddy and shell-torn roads in forward combat areas; and if it got stuck in a hole, a group of soldiers could haul it out without much ado.” 
ICM 1/35 kit . Looking at my World War I bus recently, someone asked me about military ambulances of the era. So, Mum, this one is for you!