Ford 640


Ford 640 tractor photo
1954 - 1957
600 Series
Utility tractor
NAA
Series:640
641
Production
Manufacturer:Ford
Type:Utility tractor
Factory:Highland Park, Michigan, USA
Original price:$2,056 (1957 )
Variants
740:row-crop
620:no PTO, hydraulics, or 3-point hitch
630:no PTO
640:four-speed
650:five-speed
660:five-speed, live PTO
Ford 640 Power
Belt (claimed):30 hp
22.4 kW
Plows:2 (14-inch)
Drawbar (tested):28.59 hp
21.3 kW
Belt (tested):31.01 hp
23.1 kW
power test details ...
Ford 640 Engines
Ford 2.2L 4-cyl gasoline
Ford 2.2L 4-cyl LP gas
Engine details ...
Mechanical
Chassis:4x2 2WD
Steering:manual
 power assist optional
Brakes:differential mechanical expanding shoe
Cab:Open operator station.
Transmission:4-speed unsynchronized gear
Transmission details ...
Capacity
Fuel:11 gal
41.6 L
Hydraulic system:2.25 gal
8.5 L
Hydraulics
Capacity:2.25 gal
8.5 L
Steering flow:6.5 gpm
24.6 lpm
Steering press.:100 psi
6.9 bar
Tractor hitch
Rear Type:I
Rear lift:1,250 lbs
567 kg
Power Take-off (PTO)
Rear PTO:transmission (non-live)
Rear RPM:540 (1.125)
Dimensions & Tires
Wheelbase:75.2 inches
191 cm
Weight:3031 lbs
1374 kg
Front tire:5.50-16
Rear tire:11-28
Full dimensions and tires ...
640 Serial Numbers
Location:On the left-hand side of the transmission housing behind the starter.
photo of 640 serial number

1954: 1
1955: 10615
1956: 77271
1957: 116368

how to read serial numbers...

Belt Pulley
Diameter:9 inches
22 cm
Width:6.5 inches
16 cm
RPM:1,366
Speed:3,218 ft/min
980.85 meters/min
Electrical
Ground:positive
Charging system:generator
Charging amps:20
Battery
Number:1
Volts:6
Page information
Last update:January 17, 2020
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