The Ford 640 utility tractor was produced from 1954 to 1957 as part of the 600 Series. It features a belt horsepower of 30 hp and a drawbar horsepower of 28.59 hp. The tractor was manufactured in Highland Park, Michigan, USA. Variants include the 740 (row-crop), 620 (no PTO, hydraulics, or 3-point hitch), 630 (no PTO), 640 (four-speed), 650 (five-speed), and 660 (five-speed with live PTO).