Everyone loves a big diamond right? This may be the largest Diamond T ever made (1954 model 921), or 2nd largest after the model 980 of 1943.

Hemmings just posted a 1943 model 980 which may be bigger and have a higher haulage rating: http://blog.hemmings.com/index.php/2014/06/29/hemmings-find-of-the-day-1943-diamond-t-model-980m20/