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Ford 8N |
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General tractor information: |
| Manufacturer: | Ford
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| Model: | 8N
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| Type: | Farm/Agricultural tractor
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| Years produced: | 1947 - 1952
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| Total built: | 524,000
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| Factory: | Dearborn, Michigan, USA
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| Original price: | $1,404 (1952)
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| Replaced: | Ford 2N
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Tractor power: |
| Drawbar (rated): | 23.16 hp [17.3 kW]
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| Drawbar (max): | 20.8 hp [15.5 kW]
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| PTO (max): | 25.5 hp [19.0 kW]
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| PTO (rated): | 27.32 hp [20.4 kW]
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Variants: |
| 8NAN: | distillate engine
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Engine: |
| Manufacturer: | Ford
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| Fuel: | gasoline
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| Cylinders: | 4
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| Bore/Stroke: | 3.188x3.75 inches [81 x 95 mm]
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| Displacement: | 119.7 ci [2.0 L]
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| Compression: | 6:1
6.7:1 (after s/n 85000)
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| Rated RPMs: | 2000
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| Cooling: | liquid
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| Coolant: | 12 qts [11.4 L]
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| Torque: | 92 lb-ft [124.8 Nm]
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| Torque RPMs: | 1500
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| Firing order: | 1-2-4-3
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| Oil capacity: | 6 qts [5.7 L]
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| Oil type: | | SAE30 | >90oF | >32oC | | | SAE20 | 32o-90oF | 0o-32oC | | | 20W | 10o-30oF | -12o--1oC | | | 10W | -10o-10oF | -23o--12oC | |
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| Sparkplug gap: | 0.025
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| Point gap: | 0.015
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Engine: |
| Manufacturer: | Ford
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| Fuel: | distillate
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| Cylinders: | 4
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| Bore/Stroke: | 3.188x3.75 inches [81 x 95 mm]
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| Displacement: | 119.7 ci [2.0 L]
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| Compression: | 4.75:1
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| Rated RPMs: | 2000
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| Cooling: | liquid
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| Coolant: | 12 qts [11.4 L]
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| Torque: | -unknown- |
| Firing order: | 1-2-4-3
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| Oil capacity: | 6 qts [5.7 L]
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| Oil type: | | SAE30 | >90oF | >32oC | | | SAE20 | 32o-90oF | 0o-32oC | | | 20W | 10o-30oF | -12o--1oC | | | 10W | -10o-10oF | -23o--12oC | |
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| Comments: | The distillate engine was used on the 8NAN variant.
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Transmission: |
| Type: | constant mesh
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| Forward: | 4
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| Reverse: | 1
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| Capacity: | 20 qts [18.9 L]
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| Oil type: | | SAE90 | >32oF | >0oC | | | SAE80 | <32oF | <0oC | |
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| Comments: | Tractor must be stopped and clutch used to shift between gears.
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| Speeds: | | Gear | 1500 rpm | 1750 rpm | | 1 | 2.77mph [4.5kph] | 3.23mph [5.2kph] | | 2 | 3.56mph [5.7kph] | 4.16mph [6.7kph] | | 3 | 4.90mph [7.9kph] | 5.72mph [9.2kph] | | 4 | 10.23mph [16.5kph] | 11.93mph [19.2kph] | | R | 4.55mph [7.3kph] | 5.31mph [8.5kph] |
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Mechanical: |
| Chassis: | 4x2 2WD
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| Steering: | mechanical
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| Brakes: | manual drum
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Capacity: |
| Fuel: | 10 gal [37 L]
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| Rear PTO: | transmission
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| Rear speed (RPM): | 545
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Hydraulics: |
| Type: | -unknown- |
| Capacity: | 5 gal [18 L]
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| Total flow: | -unknown- |
| Valve flow: | 2.85 gpm [10.8 lpm]
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| Pressure: | 1700 psi [117.2 bar]
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| Valves: | -unknown- |
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Tires: |
| Ag front: | 4.00-19
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| Ag rear: | 10-28
11.2-28
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Dimensions: |
| Weight: | 2,410 lbs [1093 kg] (shipping)
2,714 lbs [1231 kg]
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| Wheelbase: | 70 inches [177 cm]
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| Length: | 115 inches [292 cm]
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| Width: | 64.75 inches [164 cm]
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| Height: | 70 inches [177 cm]
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| Ground clearance: | 13 inches [33 cm]
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| 2WD turn circle: | 8 feet [2.4 m]
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Electrical: |
| Ground: | positive
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| Starter volts: | 6
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| Amps: | 20 (generator)
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Battery: |
| Number: | 1
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| Ampere-hours (ah): | 80
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| Volts: | 6
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Nebraska Tractor Test 443: |
| Test Date: | 1950
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| Engine: | gasoline
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| PTO (max): | 25.5 hp [19.0 kW]
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| Drawbar (max): | 20.8 hp [15.5 kW]
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| 1947: 1 |
| 1948: 37908 |
| 1949: 141370 |
| 1950: 245637 |
| 1951: 343198 |
| 1952: 442035 |
| 1953: 540030 |
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Ford 8N links: |
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| Smiths' 8N page: Information and photos of the Ford 8N |
| 8N Tractors: Parts, manuals, and information for the 8N |
| N Tractor Club: |
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To suggest a link, please see
these guidelines.
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