Farmall 966

Note: the Farmall model 966 is the same as the International Harvester 966. The following data is from the 966 listing. Production years: 1971 - 1976 Tractor type: Farm/Agricultural tractor

General tractor information:
	Manufacturer:	Farmall
	Model:	966
	Type:	Farm/Agricultural tractor
	Total built:	21,017
	Factory:	-unknown-
	Original price:	$18,000 (1976)
Tractor power:
	Engine:	91 hp [67.9 kW]
	Drawbar (rated):	84 hp [62.6 kW]
	Drawbar (max):	85.21 hp [63.5 kW]
	PTO (rated):	100.80 hp [75.2 kW]
Variants:
	Hi-Clear:	high-crop model
Engine:
	Manufacturer:	International Harvester
	Model:	D414
	Fuel:	diesel
	Cylinders:	6
	Bore/Stroke:	4.30x4.75 inches [109 x 121 mm]
	Displacement:	414 ci [6.8 L]
	Horsepower:	91 hp [67.9 kW]
	Compression:	-unknown-
	Rated RPMs:	2400 (early) 2600 (late)
	Cooling:	liquid
	Coolant:	24 qts [22.7 L]
	Torque:	-unknown-
	Firing order:	1-5-3-6-2-4
	Oil capacity:	12 qts [11.4 L]
Transmission:
	Type:	sliding gear
	Forward:	8
	Reverse:	4
	Capacity:	90 qts [85.2 L]
	Comments:	Four gears each provided in high, low, and reverse ranges.
	Speeds:	With 18.4-34 rear tires. Gear 2100 rpm 2400 rpm Lo-1 1.5mph [2.4kph] 1.75mph [2.8kph] Lo-2 2mph [3.2kph] 2.25mph [3.6kph] Lo-3 3.4mph [5.5kph] 3.9mph [6.3kph] Lo-4 4.5mph [7.2kph] 5.25mph [8.4kph] Hi-1 5.25mph [8.4kph] 6mph [9.7kph] Hi-2 7mph [11.3kph] 8mph [12.9kph] Hi-3 12mph [19.3kph] 13.75mph [22.1kph] Hi-4 16mph [25.7kph] 18.25mph [29.4kph] R1 2.5mph [4.0kph] 2.9mph [4.7kph] R2 3.5mph [5.6kph] 4mph [6.4kph] R3 6mph [9.7kph] 6.75mph [10.9kph] R4 7.75mph [12.5kph] 9mph [14.5kph]
Transmission:
	Type:	Torque Amplifier
	Forward:	16
	Reverse:	8
	Comments:	The Torque Amplifier (TA) provides a shift-on-the-move underdrive to the standard transmission. In any gear and range, the transmission can be shifted from direct drive (DD) to the slower TA speed by simply pulling the TA lever back. No clutching or stopping is needed.
	Speeds:	With 18.4-34 rear tires. Gear 2100 rpm 2400 rpm L1-TA 1.1mph [1.8kph] 1.25mph [2.0kph] L1-DD 1.5mph [2.4kph] 1.75mph [2.8kph] L2-TA 1.6mph [2.6kph] 4.5mph [7.2kph] L2-DD 2mph [3.2kph] 6mph [9.7kph] L3-TA 2.6mph [4.2kph] 6.25mph [10.1kph] L3-DD 3.4mph [5.5kph] 8mph [12.9kph] L4-TA 3.5mph [5.6kph] 10.75mph [17.3kph] L4-DD 4.5mph [7.2kph] 13.75mph [22.1kph] H1-TA 4mph [6.4kph] 14.25mph [22.9kph] H1-DD 5.25mph [8.4kph] 18.25mph [29.4kph] H2-TA 5.5mph [8.8kph] 2.25mph [3.6kph] H2-DD 7mph [11.3kph] 2.9mph [4.7kph] H3-TA 9.25mph [14.9kph] 3mph [4.8kph] H3-DD 12mph [19.3kph] 4mph [6.4kph] H4-TA 12.5mph [20.1kph] 5.25mph [8.4kph] H4-DD 16mph [25.7kph] 6.75mph [10.9kph] R1-TA 2mph [3.2kph] 7mph [11.3kph] R1-DD 2.5mph [4.0kph] 9mph [14.5kph] R2-TA 2.75mph [4.4kph] R2-DD 3.5mph [5.6kph] R3-TA 4.5mph [7.2kph] R3-DD 6mph [9.7kph] R4-TA 6.1mph [9.8kph] R4-DD 7.75mph [12.5kph]
Transmission:
	Type:	Hydrostatic
	Forward:	infinite
	Reverse:	infinite
	Speeds:	Gear rpm Min 0mph [0.0kph] Max 18mph [29.0kph]
Mechanical:
	Chassis:	4x2 2WD 4x4 MFWD 4WD optional
	Steering:	Hydrostatic power
	Steering pump flow:	9 gpm [34.1 lpm]
	Steering pressue:	1550 gpm [5866.8 lpm]
	Brakes:	Independent hydraulic dry disc
	Cab:	Cab optional with heat and A/C
Capacity:
	Fuel:	37 gal [140 L]
3-Point Hitch:
	Rear Hitch Category:	2
	Rear lift:	-unknown-
	Rear lift (at 24"/610mm):	4,400 lbs [1995 kg]
Power Take-off (PTO):
	Rear PTO:	independent
	Rear speed (RPM):	540/1000
Hydraulics:
	Type:	open
	Capacity:	22.5 gal [85 L]
	Total flow:	24 gpm [90.8 lpm]
	Valve flow:	12 gpm [45.4 lpm]
	Pressure:	2000 psi [137.9 bar]
	Valves:	1 to 4
Tires:
	Ag front:	9.5L-15
	Ag rear:	18.4-34
Dimensions:
	Weight (operating):	11,116 lbs [5042 kg] (gear) 11,700 lbs [5307 kg] (hydro)
	Weight (ballasted):	13,500 lbs [6123 kg]
	Wheelbase:	105 inches [266 cm]
	Length:	165 inches [419 cm]
	Width:	98 inches [248 cm]
	Height:	-unknown-
	Ground clearance:	14 inches [35 cm]
	2WD turn circle:	13.3 feet [4.1 m] 11.4 feet [3.5 m] (with brakes)
Electrical:
	Amps:	32
Battery:
	Number:	2
	Ampere-hours (ah):	172
	Volts:	6
Nebraska Tractor Test 1082:
	Test Date:	October 5 - 19, 1971
	Type:	gear/TA
	Engine:	2400rpm diesel
	PTO (rated eng speed):	96.04 hp [71.6 kW]
	PTO fuel use (rated):	14.86 hh/g [2.9 kWh/l]
	Drawbar (max):	80.4 hp [60.0 kW]
Nebraska Tractor Test 1095:
	Test Date:	April 28 - May 12, 1972
	Type:	hydrostatic
	Engine:	diesel
	PTO (rated eng speed):	91.38 hp [68.1 kW]
	PTO fuel use (rated):	12.76 hh/g [2.5 kWh/l]
	Drawbar (max):	68.08 hp [50.8 kW]
Nebraska Tractor Test 1123:
	Test Date:	April 20 - May 17, 1973
	Type:	gear/TA
	Engine:	2600rpm diesel
	PTO (rated eng speed):	100.80 hp [75.2 kW]
	PTO fuel use (rated):	14.54 hh/g [2.9 kWh/l]
	Drawbar (max):	85.21 hp [63.5 kW]
966 Serial Numbers:
Location: Clutch housing, left side
1971: 7101
1972: 11815
1973: 17794
1974: 22526
1975: 28119
1976: 31772
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Last updated on November 1, 2009