The Ferguson-Brown Company was a British agricultural machinery manufacturing company formed by Harry Ferguson in partnership with David Brown. Ferguson-Brown produced the Model A Ferguson-Brown tractor incorporating a Ferguson-designed hydraulic three-point linkage hitch. Of the 1,356 produced 400 of the tractors were sold in Scandinavia. The early tractors were fitted with the Coventry Climax model E engine which was a descendant of the American Hercules engine as fitted to the prototype "Black tractor" later the engine manufacture was taken on by David Brown Ltd. who made a number of improvements such as a deeper sump, some of the earlier tractors suffered from oil starvation on hillside work. It has been narrowed down by surviving examples that the engine change from the Coventry Clima