I found this ad in The Toronto Mail in October 1941..I guess that this was a Marmon-Herrington 6 x 6 with either Thornton or Timken rear bogie. Note the Ontario civilian style rego! Note that it refers to all-Ford vehicles and Ford-supplied chassis, e.g. to Canadian Traction for the M-H trucks.
http://clubs.hemmings.com/clubsites/...efuellerad.jpg