| 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
|
| Mechanical |
| Chassis: | 4x2 2WD
|
| Steering: | manual
|
| | power assist optional
|
| Brakes: | differential mechanical expanding shoe
|
| Cab: | Open operator station.
|
| Transmission: | 4-speed unsynchronized gear
|
| Photos |
| | Ford 640 photos... |
| 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 volts: | 6
|
|
