farmall 966
![]() | 1971 - 1976
66 SeriesRow-Crop tractor | 1971 - 1976 | 66 Series | Row-Crop tractor |
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1971 - 1976 | ||||
66 Series | ||||
Row-Crop tractor |
1971 - 1976 | |
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66 Series | |
Row-Crop tractor |
Series map: 766966Hydro 10088.6hp*91.0hp115.7hp**Estimated engine power for comparison only.
Note: the Farmall model 966 is the same as the International Harvester 966. The following data is from the 966 listing. |
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Production | |
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Manufacturer | Farmall (a part of International Harvester) |
Row-Crop tractor | |
Built in Rock Island, Illinois, USA | |
Total built | 21,017 |
Original price was $18,000 in 1976 |
Farmall 966 Engine | |
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International Harvester 6.8L 6-cyl diesel | |
Engine details ... ![]() |
Farmall 966 Transmissions | |
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8-speed gear | |
16-speed two-speed power shift | |
hydrostatic | |
Transmission details ... ![]() |
Farmall 966 Power | |
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Engine | 91 hp
67.9 kW |
Drawbar (claimed) | 84 hp
62.6 kW |
PTO (claimed) | 95 hp
70.8 kW |
Drawbar (tested) | 85.21 hp
63.5 kW |
PTO (tested) | 100.80 hp
75.2 kW |
Performance test details ... ![]() |
Mechanical | |
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Two- or four-wheel drive | |
Power steering | |
Independent hydraulic dry disc brakes | |
Cab optional with heat and air-conditioning. |
Photos | |
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![]() | |
Farmall 966 photos... ![]() |
Capacity | |
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Fuel | 37 gal
140.0 L |
Hydraulic system | 22.5 gal
85.2 L |
Hydraulics | |
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Type | open center |
Capacity | 22.5 gal
85.2 L |
Pressure | 2000 psi
137.9 bar |
Valves | 1 to 4 |
Pump flow | 12 gpm
45.4 lpm |
Total flow | 21 gpm
79.5 lpm |
Steering flow | 9 gpm
34.1 lpm |
Steering press. | 1550 psi
106.9 bar |
Tractor hitch | |
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Rear Type | II |
Rear lift (at 24"/610mm) | 4400 lbs
1995 kg |
Type | IH Fast Hitch |
Rear lift | 5000 lbs (at 24 inches)
2268 kg |
Power Take-off (PTO) | |
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Rear PTO | independent |
Rear PTO Type | 540/1000 |
Dimensions & Tires | |
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Wheelbase | 105 inches
266 cm |
Weight | 11116 to 11700 pounds |
Front tire | 9.5L-15 |
Rear tire | 18.4-34 |
Full dimensions and tires ... ![]() |
966 Serial Numbers | |
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Location: | Clutch housing, left side |
1971 | 7101 |
1972 | 11815 |
1973 | 17794 |
1974 | 22526 |
1975 | 28119 |
1976 | 31772 |
FAQ: How to read a serial number table. |
Electrical | |
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Charging amps | 32 |
Batteries | 2 |
Battery volts | 6 |
Battery AH | 172 |
References | |
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International Tractor Range published in 1973, by International Harvester | |
Buyer's Guide published in 1976, by International Harvester | |
Farm Equipment Reference Catalog published in 1971, by International Harvester |
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