I love historical research, especially things with motors.
"Model T Ford 1927 Model T Ford home made tractor. It has two additional 3-speed transmissions and has a Model TT rear end (Truck). The plow is a John Deere walking plow modified with linkage to raise and lower the plow. My dad purchased this tractor in 1941 for $15.00 "My older brother is running the tractor" (This homemade tractor was used to plow Victory Gardens during the depression)" Click here to watch
Many a farmer made his own equipment and used what he had on hand.