Show economical to use best kind of oil on tractor deterioration lack of power overheating consumption of more fuel and rapid carbonizing of tile the cylinder tiro are sonic of tile inevitable results when a cheap prude grade of tractor oil Is used says saya F W V duffee of wisconsin tile the best beat oil 11 that can be bought la Is none too rood good to use in a nin machine chine working under extreme conditions of temperature and hearing bearing pressure the cost of lubricating oil ell Is a very small part of the total cost of operating a tractor including repairs interest on investment and depreciation on the difference in cost between cheap oil ell and the best beat oil Is in most eases cases not more than 1 2 1 or 3 per cent of tale total cost of operating the machine the chour clour oil will cost more in the long run ns as it will mean more repairs and more trouble duffee finds that the recommends eions of tile alie manufacturers manufacturer had best bo be followed flit to to just want oils anro suited to their machines reliable manufacturers are highly interested in the life and satisfaction of their machines and go 0 o to cons considerable itle anble expel expense liso to determine the best olla oils to use 1 |