For sale is this lovely Wallis 12-20 also known as Massey-Harris 12-20. The tractor was built in 1929 and years restored by its previous owner in the south of France, where it was probably sold new. Rated as a 2 plow tractor it weighs only 1600 Kg which makes it an ideal candidate to go to a tractor show on a trailer. It is in good running condition as can be seen in the video.