Thank you. It looks like the model C was made from 1940-1949. The girl in the picture is my mom who was born in 1938. She can just barely remember Grandpa selling the workhorses and getting a tractor but doesn"t remember what he purchased. So it would seem possible that the model C was Grandpa"s first tractor (maybe). The model c looks old in the picture but that may just be due to the black and white picture. Would that have to be a pull type sickle mower? I"m still not sure who the young boy is in the picture with the model B.