| Manufacturer | Ford |
| Price | 2,056(USD) |
| Model | 640 |
| Equipment Type | Utility Tractors |
| Factory | Highland Park, Michigan, USA |
NEBRASKA TRACTOR TEST 560 2
| Description | Gasoline 4-speed 2WD September 19 - October 4, 1955 Link: Nebraska Tractor Test 560 file Drawbar performance Gear 2 used for power test Gear 1 used for pull test |
| Belt power (max) | 31.01hp / 23.1kW |
| Belt fuel use (max) | 2.9gal/hour / 11.0l/hour |
| Max power | 28.59hp / 21.3kW |
| Max pull | 3,008lbs / 1364kg |
NEBRASKA TRACTOR TEST 627 2
| Description | LP gas 4-speed 2WD June 24 - July 12, 1957 Link: Nebraska Tractor Test 627 file Drawbar performance Gear 2 used for power test Gear 1 used for pull test. |
| Belt power (max) | 28.45hp / 21.2kW |
| Belt fuel use (max) | 3.9gal/hour / 14.8l/hour |
| Max power | 27.11hp / 20.2kW |
| Max pull | 2,812lbs / 1275kg |
FORD 640 POWER
| Belt (claimed) | 30hp / 22.4kW |
| Plows | 2 (14-inch) |
| Drawbar (tested) | 28.59hp / 21.3kW |
| Belt (tested) | 31.01hp / 23.1kW |
ENGINES OVERVIEW
The Ford 640 tractor is powered by a 2.2L four-cylinder engine, available in both gasoline and LP gas variants, offering flexibility in fuel choice. Its moderate horsepower and torque output make it suitable for light to moderate agricultural tasks, but its lower power may be a limitation for heavy-duty applications. Consider the efficiency and availability of fuel types in your area when selecting the engine variant for optimal performance and cost-effectiveness.
| Description | Ford 2.2L 4-cyl gasoline Ford 2.2L 4-cyl LP gas |
ENGINE DETAIL 1
The Ford 640 tractor is powered by a robust EAE Red Tiger 4-cylinder gasoline engine with a moderate 6.6:1 compression ratio, ideal for low RPM torque yet less efficient for high-performance applications. Its oil bath air cleaner supports durability in dusty conditions, making it suitable for agricultural environments but may require more maintenance than dry filters. Given its Tier 0 emissions standard, this model may face regulatory challenges in areas with stringent emissions controls, limiting its usability in certain regions.
| Description | Ford EAE Red Tiger gasoline 4-cylinder 8-valve liquid-cooled vertical inline |
| Displacement | 134ci / 2.2L |
| Bore/Stroke | 3.44x3.60inches / 87 x 91mm |
| Emissions | Tier 0 |
| Air cleaner | oil bath |
| Compression | 6.6:1 |
| Rated RPM | 2200 |
| Firing order | 1-2-4-3 |
| Starter volts | 6 |
| Coolant capacity | 15qts / 14.2L |
| Sparkplug | 14MM |
| Sparkplug gap | 0.025inches / 0.635mm (min) / 0.028inches / 0.711 mm (max) |
ENGINE OIL 1
The Ford 640 tractor has an oil capacity of 5 quarts (4.7 liters) and requires an oil change every 100 hours of operation. Regular oil changes are crucial for maintaining engine efficiency and longevity, preventing wear and tear that can lead to costly repairs. Be mindful of operating conditions; prolonged intervals or heavy usage may necessitate more frequent oil changes to ensure optimal performance.
| Oil capacity | 5qts / 4.7L |
| Oil change | 100 h |
ENGINE DETAIL 2
The Ford 640 tractor features a durable EAE Red Tiger LP gas engine with a relatively low compression ratio of 6.6:1, which aids in engine longevity but might limit high-power outputs. With a displacement of 2.2L and a maximum rated RPM of 2200, it is designed for moderate agricultural tasks, making it suitable for small to medium-sized farms. The oil bath air cleaner ensures better filtration and protection for the engine, although it may require more maintenance compared to dry filters, particularly in dusty environments.
| Description | Ford EAE Red Tiger LP gas 4-cylinder 8-valve liquid-cooled vertical inline |
| Displacement | 134ci / 2.2L |
| Bore/Stroke | 3.44x3.60inches / 87 x 91mm |
| Air cleaner | oil bath |
| Compression | 6.6:1 |
| Rated RPM | 2200 |
| Firing order | 1-2-4-3 |
| Sparkplug | 14MM |
| Sparkplug gap | 0.028inches / 0.711mm (min) / 0.031inches/ 0.787mm (max) |
ENGINE OIL 2
The Ford 640 tractor has an oil capacity of 5 quarts (4.7 liters), which is relatively modest and allows for efficient oil maintenance. Changing the oil every 100 hours is crucial to ensure optimal engine performance and longevity, as it prevents sludge buildup and maintains lubrication integrity. However, operators should be aware that frequent oil changes may incur higher maintenance costs over time, so establishing a clear operational schedule is recommended for cost-effectiveness.
| Oil capacity | 5qts / 4.7L |
| Oil change | 100 h |
FORD 640 ENGINES
The Ford 640 tractor is powered by a 2.2L four-cylinder gasoline or liquid propane (LP) gas engine, providing versatility in fuel choice which can enhance operational efficiency depending on availability and cost. A key advantage is its relatively compact size for maneuverability in tight spaces, making it suitable for smaller farms or gardens. However, limited power output may challenge heavy-duty applications, so it's best utilized for lighter agricultural tasks and basic utility work.
| Description | Ford 2.2L 4-cyl gasoline Ford 2.2L 4-cyl LP gas |
TRANSMISSION
The Ford 640 features an unsynchronized gear transmission with 4 forward and 1 reverse gear, making it suitable for straightforward tasks but potentially challenging during quick gear changes. The dry disc clutch provides reliable engagement but may require more maintenance compared to hydraulic options, particularly in heavy-duty applications. Ideal for light to moderate agricultural work, this tractor is valued for its simplicity and ease of use but may limit efficiency in more complex operations.
| Transmission | Ford |
| Type | unsynchronized gear |
| Gears | 4 forward and 1 reverse |
| Clutch | dry disc |
SPEEDS
| Description | With 11x28 rear tires./ |
MECHANICAL
The Ford 640 tractor features a 4x2 2WD chassis, which offers simplicity and lower maintenance costs for light-duty agricultural tasks but may struggle with traction in muddy or uneven terrain. Its open operator station enhances visibility and comfort but exposes the operator to weather elements without a cab. The 4-speed unsynchronized gear transmission allows for basic speed control; however, operators may find shifting gears manually challenging, particularly under load, making it less suitable for continuous heavy-duty operations.
| Chassis | 4x2 2WD |
| Steering | manual/power assist optional |
| Brakes | differential mechanical expanding shoe |
| Cab | Open operator station. |
| Transmission | 4-speed unsynchronized gear |
CAPACITY
| Fuel | 11gal / 41.6L |
| Hydraulic system | 2.25gal / 8.5L |
HYDRAULICS
| Capacity | 2.25gal / 8.5L |
| Steering flow | 6.5gpm / 24.6lpm |
| Steering press. | 100psi / 6.9bar |
TRACTOR HITCH
| Rear Type | I |
| Rear lift | 1,250lbs / 567kg |
POWER TAKE-OFF (PTO)
| Rear PTO | transmission (non-live) |
| Rear RPM | 540 (1.125) |
FORD 640 TIRES
The Ford 640 tractor, equipped with Ag front tires sized 5.50-16 and Ag rear tires 11-28, offers a balanced approach to lightweight agricultural applications. Its tire configuration provides good traction and stability for field tasks, yet may limit performance on uneven terrain due to its narrower front tires. Ideal for small to medium-scale farming, it excels in tasks like tilling, plowing, and transporting materials, though operators should be cautious of potential tire wear in heavy-duty usage scenarios.
| Ag front | 5.50-16 |
| Ag rear | 11-28 |
DIMENSIONS
| Wheelbase | 75.2inches / 191cm |
| Length | 121.4inches / 308cm |
| Width | 64.75inches / 164cm |
| Height | 58.7inches / 149cm |
| Weight | 3031lbs / 1374kg |
| Ballasted weight | 3,641lbs / 1651kg |
| Ground clearance | 21inches / 53cm |
| Front tread | 52 to 76inches / 132 to 193cm |
| Rear tread | 52 to 76inches / 132 to 193cm |
DIMENSIONS & TIRES
The Ford 640 tractor features a compact wheelbase of 75.2 inches, facilitating maneuverability in tight farming conditions. Weighing 3,031 lbs, its moderate weight helps maintain stability, yet may limit performance in heavy transport scenarios. The combination of front tires (5.50-16) for steering precision and rear tires (11-28) for traction provides a balanced approach for diverse applications, though users should consider soil compaction effects with the larger rear tires.
| Wheelbase | 75.2inches / 191cm |
| Weight | 3031lbs / 1374kg |
| Front tire | 5.50-16 |
| Rear tire | 11-28 |
640 SERIAL NUMBERS
| Location | On the left-hand side of the transmission housing behind the starter. |
| 1954 | 1 |
| 1955 | 10615 |
| 1956 | 77271 |
| 1957 | 116368 |
BELT PULLEY
| Diameter | 9inches / 22cm |
| Width | 6.5inches / 16cm |
| RPM | 1,366 |
| Speed | 3,218ft/min 980.85meters/min |
ELECTRICAL
| Ground | positive |
| Charging system | generator |
| Charging amps | 20 |
| Battery volts | 6 |