Farmall 966 Row-Crop tractor Specs & Features

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Farmall 966 Row-Crop tractor Technical Specifications

Farmall 966 is a Row-Crop tractor that was produced by the John Deere between 1971 – 1976.

Below you will find detailed technical specifications for Farmall 966 covering engine types, horsepower ratings, weight, height, fuel type and tank volume, oil capacity and type, hydraulic system diagram, wiring diagram, battery specs, etc.

Farmall 966 Production

Manufacturer:
Manufacturer:	Farmall (a part of International Harvester)
Type:	Row-Crop tractor
Total built:	21,017
Original price:	$18,000 (1976 )

Farmall 966 Power

Engine:
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

Farmall 966 Electrical

Charging amps:	32
Batteries:	2
Battery volts:	6
Battery AH:	172

Farmall 966 Mechanical

Chassis:

4×2 2WD

4×4 MFWD 4WD

Steering:

power

Brakes:

Independent hydraulic dry disc

Cab:

Cab optional with heat and air-conditioning.

Transmissions:

8-speed sliding gear

16-speed two-speed power shift

hydrostatic

Capacity

Fuel:	37 gal 140.0 L
Hydraulic system:	22.5 gal 85.2 L

Hydraulics

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:	24 gpm 90.8 lpm
Steering flow:	9 gpm 34.1 lpm
Steering press.:	1550 psi 106.9 bar

Tracktor Hitch

Rear Type:	II
Rear lift (at 24″/610mm):	4400 lbs 1995 kg
Type:	IH Fast Hitch
Rear lift:	5000 lbs 2268 kg (at 24 inches)

Power Take-off (PTO)

Rear PTO:	independent
Rear RPM:	540/1000

Farmall 966 Engine detail

Engine Detail
International Harvester D414
diesel
6-cylinder
liquid-cooled
Displacement:	414 ci 6.8 L
Bore/Stroke:	4.30×4.75 inches 109 x 121 mm
Power:	91 hp 67.9 kW
Air cleaner:	dual dry elements
Rated RPM:	2400 (early)
	2600 (late)
Firing order:	1-5-3-6-2-4
Oil capacity:	12 qts 11.4 L
Coolant capacity:	24 qts 22.7 L

Farmall 966 Transmission overview

Engine Oil

Type:	sliding gear
Gears:	8 forward and 4 reverse
Oil capacity:	90 qts 85.2 L
Four gears each provided in high, low, and reverse ranges.

Farmall 966 Dimensions

Wheelbase:	105 inches 266 cm
Length:	165 inches 419 cm
Width:	98 inches 248 cm
Height (exhaust):	105 inches 266 cm
Ground clearance:	14 inches 35 cm

Farmall 966 Weight
Operating:	11,116 lbs 5042 kg (gear)
	11,700 lbs 5307 kg (hydro)
Ballasted:	13,500 lbs 6123 kg

Farmall 966 Tests

Nebraska Tractor Test 1082

Nebraska Tractor Test 1082
2400rpm diesel gear/TA 2WD October 5 – 19, 1971 Link: Nebraska Tractor Test 1082 file
PTO performance
Power at rated engine speed:	96.04 hp 71.6 kW
Fuel use:	6.5 gal/hour 24.6 l/hour
Power at rated PTO speed:	93.5 hp 69.7 kW
Fuel use:	5.9 gal/hour 22.3 l/hour
Drawbar performance
Max power:	80.4 hp 60.0 kW
Fuel use:	6.4 gal/hour 24.2 l/hour
Gear 1-Hi-TA used for power test.
Max pull:	10,041 lbs 4554 kg
Gear 3-Lo-TA used for pull test.

Nebraska Tractor Test 1095

Nebraska Tractor Test 1095
Diesel hydrostatic 2WD April 28 – May 12, 1972 Link: Nebraska Tractor Test 1095 file
PTO performance
Power at rated engine speed:	91.38 hp 68.1 kW
Fuel use:	7.2 gal/hour 27.3 l/hour
Power at rated PTO speed:	88.29 hp 65.8 kW
Fuel use:	6.4 gal/hour 24.2 l/hour
Drawbar performance
Max power:	68.08 hp 50.8 kW
Fuel use:	7.1 gal/hour 26.9 l/hour
Gear 5.4 MPH used for power test.
Max pull:	8,909 lbs 4041 kg
Gear 2.77 MPH used for pull test.

Nebraska Tractor Test 1123

Nebraska Tractor Test 1123
2600rpm diesel gear/TA 2WD April 20 – May 17, 1973 Link: Nebraska Tractor Test 1123 file
PTO performance
Power at rated engine speed:	100.80 hp 75.2 kW
Fuel use:	6.9 gal/hour 26.1 l/hour
Power at rated PTO speed:	101.52 hp 75.7 kW
Fuel use:	6.5 gal/hour 24.6 l/hour
Drawbar performance
Max power:	85.21 hp 63.5 kW
Fuel use:	6.9 gal/hour 26.1 l/hour
Gear 1-Hi-TA used for power test.
Max pull:	10,036 lbs 4552 kg
Gear 3-Lo-TA used for pull test.

FAQ

Is Farmall 966 a good tractor?

The Farmall 966 is one of the great tractors in the Farmall (a part of International Harvester) stable, and it has earned Farmall (a part of International Harvester) a fantastic reputation.

How much oil does a Farmall 966 take?

Check out the Farmall 966 oil capacity and oil type in the engine specs section as it may vary across the engines. Keep in mind, that older models might have their oil capacity increased over time. You may compare between the early and late oil capacity.

Do tractors have VIN numbers?

Every tractor has a VIN number. The number is usually engraved below the driver’s seat. Tractor manufacturers put the number in different places on the tractor body.

What was the last year Farmall (a part of International Harvester) made the 766

The Farmall 966 was an agricultural tractor model made from 1971 – 1976