Farmall Letter Series Tractors
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International Harvester 644
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| Production years: | 1974 - 1980
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| Tractor type: | Farm/Agricultural tractor
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| | General tractor information: |
| Manufacturer: | International Harvester
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| Model: | 644
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| Type: | Farm/Agricultural tractor
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| Total built: | -unknown- |
| Factory: | Neuss, Germany
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| Original price: | -unknown- |
| | Tractor power: |
| Engine: | 60 hp [44.7 kW]
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 |
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| | Engine: |
| Manufacturer: | International Harvester
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| Fuel: | diesel
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| Cylinders: | 4
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| Bore/Stroke: | 3.875x4.38 inches [98 x 111 mm]
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| Displacement: | 206.4 ci [3.4 L]
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| Compression: | -unknown- |
| Rated RPMs: | 2150
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| Cooling: | liquid
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| Torque: | -unknown- |
| Firing order: | -unknown- |
| | Transmission: |
| Type: | -unknown- |
| Forward: | 8
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| Reverse: | 4
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| | Mechanical: |
| Chassis: | 4x2 2WD
4x4 MFWD 4WD optional
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| Steering: | -unknown- |
| Brakes: | -unknown- |
| | Capacity: |
| Fuel: | 19.6 gal [74 L]
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| | 3-Point Hitch: |
| Rear Hitch Category: | -unknown- |
| Rear lift: | 6394 lbs [2900 kg]
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| | |
| Rear PTO: | -unknown- |
| Rear speed (RPM): | 540
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| | Hydraulics: |
| Type: | -unknown- |
| Capacity: | -unknown- |
| Total flow: | -unknown- |
| Valve flow: | 7.9 gpm [29.9 lpm]
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| Pressure: | -unknown- |
| Valves: | -unknown- |
| | Tires: |
| Ag front: | 7.50-16
9.5-24 (MFWD)
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| Ag rear: | 16.9-30
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| | Dimensions: |
| Weight: | 6,350 lbs [2880 kg]
7,078 lbs [3210 kg] (MFWD)
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| Wheelbase: | 87.80 inches [223 cm]
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| Length: | 148.82 inches [378 cm]
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| Width: | -unknown- |
| Height: | 98.03 inches [248 cm]
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| Ground clearance: | -unknown- |
| | Electrical: |
| | International Harvester 644 links: |
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To suggest a link, please see
these guidelines.
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Last updated on November 1, 2009
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