The figure represents the traction engine threshing machine combined with the associated companies are a minor in locomobiles, but especially 2-4 horse power, usually have all the parts of the larger parts of this are almost immediately those of the larger formed ,and this is the reason that the price difference between smaller and larger than just a traction engines is disproportionately low because wages are almost the same with the smaller engine, as the larger and the saving is only limited to the material.