Here's a picture of a Ford variant of this ambulance driving along the newly widened Tiddim Road in Burma:
http://www.ku.edu/carrie/specoll/AFS.../AFSL29-30.jpg
See
AFS LETTERS XXIX for this picture and other ambulances, inlcuding a shot of ambulances being assembled on the spot by natives in Kenya:
http://www.ku.edu/carrie/specoll/AFS.../AFSL29-10.jpg