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General tractor information: |
| Manufacturer: | Farmall
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| Model: | 666
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| Type: | Farm/Agricultural tractor
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| Total built: | 9,367
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| Factory: | -unknown- |
| Original price: | $11,875
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Tractor power: |
| Drawbar (rated): | 58.3 hp [43.5 kW]
|
| Drawbar (max): | 58.01 hp [43.3 kW]
|
| PTO (max): | 66.3 hp [49.4 kW]
|
| PTO (rated): | 66.29 hp [49.4 kW]
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Engine: |
| Manufacturer: | International Harvester
|
| Model: | D312
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| Fuel: | diesel
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| Cylinders: | 6
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| Bore/Stroke: | 3.875x4.410 inches [98 x 112 mm]
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| Displacement: | 312 ci [5.1 L]
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| Compression: | -unknown- |
| Rated RPMs: | -unknown- |
| Cooling: | liquid
|
| Torque: | -unknown- |
| Firing order: | -unknown- |
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Engine: |
| Manufacturer: | International Harvester
|
| Model: | C291
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| Fuel: | gasoline
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| Cylinders: | 6
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| Bore/Stroke: | 3.75x4.39 inches [95 x 112 mm]
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| Displacement: | 291 ci [4.8 L]
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| Compression: | -unknown- |
| Rated RPMs: | 2000
|
| Cooling: | liquid
|
| Torque: | -unknown- |
| Firing order: | -unknown- |
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Transmission: |
| Type: | sliding gear
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| Forward: | 5
|
| Reverse: | 1
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Transmission: |
| Type: | hydrostatic
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| Forward: | infinite
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| Reverse: | infinite
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Transmission: |
| Type: | Torqua-Amplifier
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| Forward: | 10
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| Reverse: | 2
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Mechanical: |
| Chassis: | 2WD
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| Steering: | hydrostatic power
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| Brakes: | -unknown- |
| Cab: | two-post ROPS or canpoy optional
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Capacity: |
| Fuel: | -unknown- |
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3-Point Hitch: |
| Rear Hitch Category: | II
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| Rear lift: | -unknown- |
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| Rear PTO: | independent
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| Rear speed (RPM): | 540
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Tires: |
| Ag front: | 7.50-16
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| Ag rear: | 15.5-38
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Dimensions: |
| Weight: | 7053 lbs [3199 kg]
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| Wheelbase: | -unknown- |
| Length: | -unknown- |
| Width: | -unknown- |
| Height: | -unknown- |
| Ground clearance: | -unknown- |
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Electrical: |
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Nebraska Tractor Test 1151: |
| Test Date: | November 1973
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| Engine: | 312 diesel
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| PTO (max): | 66.3 hp [49.4 kW]
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| Drawbar (max): | 58.01 hp [43.3 kW]
|
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Nebraska Tractor Test 1152: |
| Test Date: | November 1973
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| Engine: | gasoline
|
| PTO (max): | 66.3 hp [49.4 kW]
|
| Drawbar (max): | 47.8 hp [35.6 kW]
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|
| Location: Clutch housing, right side |
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| 1972: 7500 |
| 1973: 8200 |
| 1974: 11585 |
| 1975: 13131 |
| 1976: 15739 |
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Comments: |
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| Torque amplifier was an option. In 1973, the hydrostatic version of the 666 was renamed the 70 Hydro. |
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Farmall 666 links: |
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To suggest a link, please see
these guidelines.
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