Vintage Walk Behind Garden Tractor Attachment. My research suggests that this may be from a late 1930's - early 1940s Sears Handiman Jr.Could be adapted to just about any walk behind including others in the Sears family Handiman, David Bradley, etc. The item "Vintage Sears Handiman Jr. Walk Behind Garden Tractor Cultivator David Bradley" is in sale since Thursday, September 10, 2020. This item is in the category "Home & Garden\Yard, Garden & Outdoor Living\Outdoor Power Equipment\Tillers". The seller is "rustyfind4u" and is located in Sturtevant, Wisconsin. This item can be shipped to United States.