1957 FORD F800 TRACTOR 40 HP LOADER WEIGHT BOX 3PT HITCH REAR PTO The Ford 800 series tractors have identical vertical inline Ford EAF gasoline engines with natural aspiration, four cylinders and eight valves. The bore and stroke is 3.9 by 3.6 inches and it has a 2.8 liter displacement with liquid cooling and a 14.2 coolant capacity. It has oil bath air cleaner, a compression ratio of 6.75 to 1 and 2,200 rated revolutions per minute (rpm). The oil capacity is 4.7 liters and it has six starter volts. All three models have unsynchronized gear transmissions with five forward and one reverse gear and a dry disc clutch.