OutdoorKing Repair Forum Forums Collectors Corner Identification of Particular Machines Can anybody suggest what this might be?

The Briggs Model A was made from 1933 to 1948, in many versions. From the serial number you can find when it was made, here:
http://www.asecc.com/data/briggs/data1.html#A

As you can see, they made about a quarter of a million of them.