Ford 640: all source data
All 92 values recorded for this model, as the source lists them and in its units. The spec sheet shows the same data checked, typed and converted.
Overview
Production| Manufacturer | Ford |
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| (no label) | Utility tractor |
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| (no label) | Built in Highland Park, Michigan, USA |
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| (no label) | Original price was $2,056 in 1957 |
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Engine| (no label) | Ford 2.2L 4-cyl gasoline |
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| (no label) | Ford 2.2L 4-cyl LP gas |
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Transmission| (no label) | 4-speed unsynchronized gear |
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Power| Belt (claimed) | 30 hp | 22.4 kW |
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| Plows | 2 (14-inch) |
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| Drawbar (tested) | 28.59 hp | 21.3 kW |
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| Belt (tested) | 31.01 hp | 23.1 kW |
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Mechanical| (no label) | Two-wheel drive |
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| Steering | manual |
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| Steering | power assist optional |
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| (no label) | Differential mechanical expanding shoe brakes |
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| (no label) | Open operator station. |
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Capacity| Fuel | 11 gal | 41.6 L |
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| Hydraulic system | 2.25 gal | 8.5 L |
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Hydraulics| Type | open center |
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| Capacity | 2.25 gal | 8.5 L |
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| Pressure | 2000 psi | 137.9 bar |
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| Pump flow | 4.8 gpm | 18.2 lpm |
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| Steering flow | 6.5 gpm | 24.6 lpm |
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| Steering press. | 100 psi | 6.9 bar |
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Hitch| Rear Type | I |
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| Control | position and draft control |
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| Rear lift | 1250 lbs | 567 kg |
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Pto| Rear PTO | transmission (non-live) |
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| Rear PTO Type | 540 (1.125) |
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Dimensions| Wheelbase | 75.2 inches | 191 cm |
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| Weight | 3031 lbs | 1374 kg |
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| Front tire | 5.50-16 |
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| Rear tire | 11-28 |
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Serial location| (no label) | On the left-hand side of the transmission housing behind the starter. |
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Belt pulley| Diameter | 9 inches | 22 cm |
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| Width | 6.5 inches | 16 cm |
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| RPM | 1,366 |
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| Speed | 3218 ft/min | 980.85 meters/min |
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Electrical| Ground | positive |
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| Charging system | generator |
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| Charging amps | 20 |
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| Battery volts | 6 |
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Engine
Engine options| (no label) | Ford 2.2L 4-cyl gasoline |
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| (no label) | Ford 2.2L 4-cyl LP gas |
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Engine detail| (no label) | Ford EAE Red Tiger |
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| (no label) | gasoline |
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| (no label) | 4-cylinder 8-valve |
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| (no label) | liquid-cooled inline |
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| Displacement | 134 ci | 2.2 L |
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| Bore/Stroke | 3.44x3.60 inches | 87 x 91 mm |
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| Emissions | Tier 0 |
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| Air cleaner | oil bath |
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| Compression | 6.6:1 |
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| Rated RPM | 2200 |
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| Firing order | 1-2-4-3 |
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| Starter volts | 6 |
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| Coolant capacity (Coolant) | 15 qts | 14.2 L |
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| Sparkplug | 14MM |
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| Sparkplug gap | 0.025 inches (min) | 0.635 mm |
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| Sparkplug gap | 0.028 inches (max) | 0.711 mm |
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| (no label) | Ford EAE Red Tiger |
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| (no label) | LP gas |
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| (no label) | 4-cylinder 8-valve |
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| (no label) | liquid-cooled inline |
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| Displacement | 134 ci | 2.2 L |
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| Bore/Stroke | 3.44x3.60 inches | 87 x 91 mm |
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| Air cleaner | oil bath |
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| Compression | 6.6:1 |
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| Rated RPM | 2200 |
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| Firing order | 1-2-4-3 |
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| Sparkplug | 14MM |
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| Sparkplug gap | 0.028 inches (min) | 0.711 mm |
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| Sparkplug gap | 0.031 inches (max) | 0.787 mm |
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Engine oil| Oil capacity | 5 qts | 4.7 L |
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| Oil change | 100 h |
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| Oil capacity | 5 qts | 4.7 L |
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| Oil change | 100 h |
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Transmission
Transmission| Transmission | Ford |
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| Type | unsynchronized gear |
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| Gears | 4 forward and 1 reverse |
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| Clutch | dry disc |
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Dimensions
Tires| Ag front | 5.50-16 |
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| Ag rear | 11-28 |
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Dimensions| Wheelbase | 75.2 inches | 191 cm |
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| Length | 121.4 inches | 308 cm |
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| Width | 64.75 inches | 164 cm |
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| Height | 58.7 inches | 149 cm |
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| Weight | 3031 lbs | 1374 kg |
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| Ballasted weight | 3,641 lbs | 1651 kg |
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| Ground clearance | 21 inches | 53 cm |
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| Front tread | 52 to 76 inches | 132 to 193 cm |
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| Rear tread | 52 to 76 inches | 132 to 193 cm |
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