 Ayr Queensland Australia 4807 | Do the manufactures publish the ounces of fuel used per horsepower or if there is a web site. example a 6 lt engine producing 250 hp and for example a 12 lt engine producing the same 250 hp in theory the 6 lt should have less internal friction so would use less fuel or am i thinking wrong. I know there is no substute for cubes in durability however where does the line cross. Has anyone one seen and spec of fuel usage of Cummins and Deere. TIA |