Farmall 666 Specs & Features

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Farmall 666 Technical Specifications

Farmall 666 is a Row-Crop tractor that was produced by the John Deere between 1972 – 1976.

Below you will find detailed technical specifications for Farmall 666 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 666 Production

Manufacturer:
Manufacturer:	Farmall (a part of International Harvester)
Total built:	9,367
Original price:	$11,875

Farmall 666 Power

Engine:
Drawbar (tested):	58.01 hp 43.3 kW
PTO (tested):	69.61 hp 51.9 kW

Farmall 666 Mechanical

Chassis:

4×2 2WD

Steering:

hydrostatic power

Brakes:

dry disc

Cab:

Open operator station. Two-post ROPS or canpoy optional.

Transmissions:

5-speed

hydrostatic

10-speed partial power shift

Tracktor Hitch

Rear Type:	II
Type:	IH Fast Hitch

Power Take-off (PTO)

Rear PTO:	independent
Rear RPM:	540

Farmall 666 Engine detail

Engine Detail
International Harvester D312
diesel
6-cylinder
liquid-cooled
Displacement:	312 ci 5.1 L
Bore/Stroke:	3.875×4.410 inches 98 x 112 mm
Air cleaner:	dual stage dry
Compression:	17:1
Rated RPM:	2000
Starter volts:	12

Farmall 666 Transmission overview

Engine Oil

Transmission:	sliding gear
Gears:	5 forward and 1 reverse

Farmall 666 Dimensions

Wheelbase:	103 inches 261 cm
Weight:	7053 lbs 3199 kg

Farmall 666 Tests

Nebraska Tractor Test 1151

Nebraska Tractor Test 1151
312 diesel Torque Amplifier 2WD November 3 – 14, 1973 Link: Nebraska Tractor Test 1151 file
PTO performance
Power at rated engine speed:	66.29 hp 49.4 kW
Fuel use:	4.7 gal/hour 17.8 l/hour
Drawbar performance
Max power:	58.01 hp 43.3 kW
Fuel use:	4.6 gal/hour 17.4 l/hour
Gear 3-Direct used for power test.
Max pull:	8,012 lbs 3634 kg
Gear 2-TA used for pull test.

Nebraska Tractor Test 1152

Nebraska Tractor Test 1152
Gasoline Torque Amplifier 2WD November 5 – December 3, 1973 Link: Nebraska Tractor Test 1152 file
PTO performance
Power at rated engine speed:	66.30 hp 49.4 kW
Fuel use:	12.0 gal/hour 45.4 l/hour
Drawbar performance
Max power:	57.29 hp 42.7 kW
Fuel use:	5.7 gal/hour 21.6 l/hour
Gear 3-Direct used for power test.
Max pull:	7,981 lbs 3620 kg
Gear 2-TA used for pull test.

Nebraska Tractor Test 1154

Nebraska Tractor Test 1154
Gasoline hydrostatic 2WD November 14 – December 3, 1973 Link: Nebraska Tractor Test 1154 file
PTO performance
Power at rated engine speed:	69.61 hp 51.9 kW
Fuel use:	6.9 gal/hour 26.1 l/hour
Power at rated PTO speed:	64.10 hp 47.8 kW
Fuel use:	5.8 gal/hour 22.0 l/hour
Drawbar performance
Max power:	53.86 hp 40.2 kW
Fuel use:	7.7 gal/hour 29.1 l/hour
Max pull:	8,427 lbs 3822 kg

Nebraska Tractor Test 1155

Nebraska Tractor Test 1155
Diesel hydrostatic 2WD November 14 – December 3, 1973 Link: Nebraska Tractor Test 1155 file
PTO performance
Power at rated engine speed:	69.51 hp 51.8 kW
Fuel use:	5.6 gal/hour 21.2 l/hour
Power at rated PTO speed:	65.41 hp 48.8 kW
Fuel use:	5.3 gal/hour 20.1 l/hour
Drawbar performance
Max power:	53.10 hp 39.6 kW
Fuel use:	5.6 gal/hour 21.2 l/hour
Max pull:	8,310 lbs 3769 kg

FAQ

Is Farmall 666 a good tractor?

The Farmall 666 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 666 take?

Check out the Farmall 666 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 ?

The Farmall 666 was an agricultural tractor model made from 1972 – 1976