"1939-1947 Ford Tractor with Ferguson System Model 9N and 2N Owner's Manual Instruction Book" This is a high quality reproduction of the manual that came with your tractor. You will find a maintenance section with instructions for scheduled lubrication of the engine crankcase, transmission, hydraulic mechanism, differential, belt pulley, care of the tires, cooling system, battery & electrical system, carburetor & fuel line, front wheel hub bearings, spindles, linkage & front axle pin, steering column, generator bearing, air cleaner, oil filler cap and oil filter. You will also find a reference section with procedures for making adjustments like changing the gauge of the tractor, and instructional information on moving parts.