Farmall 666 Tractor (1976)
Full Specifications
NEBRASKA TRACTOR TEST 1151 2
- Description
- 312 diesel Torque Amplifier 2WD November 3 - 14, 1973 Link: Nebraska Tractor Test 1151 file PTO performance Drawbar performance Gear 3-Direct used for power test Gear 2-TA used for pull test
- Power at rated engine speed
- 66.29hp / 49.4kW
- Fuel use
- 4.6gal/hour / 17.4l/hour
- Max power
- 58.01hp / 43.3kW
- Max pull
- 8,012lbs / 3634kg
NEBRASKA TRACTOR TEST 1152 2
- Description
- Gasoline Torque Amplifier 2WD November 5 - December 3, 1973 Link: Nebraska Tractor Test 1152 file PTO performance Drawbar performance Gear 3-Direct used for power test Gear 2-TA used for pull test
- Power at rated engine speed
- 66.30hp / 49.4kW
- Fuel use
- 5.7gal/hour / 21.6l/hour
- Max power
- 57.29hp / 42.7kW
- Max pull
- 7,981lbs / 3620kg
NEBRASKA TRACTOR TEST 1154 2
- Description
- Gasoline hydrostatic 2WD November 14 - December 3, 1973 Link: Nebraska Tractor Test 1154 file PTO performance Drawbar performance
- Power at rated engine speed
- 69.61hp / 51.9kW
- Fuel use
- 7.7gal/hour / 29.1l/hour
- Power at rated PTO speed
- 64.10hp / 47.8kW
- Max power
- 53.86hp / 40.2kW
- Max pull
- 8,427lbs / 3822kg
NEBRASKA TRACTOR TEST 1155 2
- Description
- Diesel hydrostatic 2WD November 14 - December 3, 1973 Link: Nebraska Tractor Test 1155 file PTO performance Drawbar performance
- Power at rated engine speed
- 69.51hp / 51.8kW
- Fuel use
- 5.6gal/hour / 21.2l/hour
- Power at rated PTO speed
- 65.41hp / 48.8kW
- Max power
- 53.10hp / 39.6kW
- Max pull
- 8,310lbs / 3769kg
FARMALL 666 POWER
- Drawbar (tested)
- 58.01hp / 43.3kW
- PTO (tested)
- 69.61hp / 51.9kW
ENGINES OVERVIEW
- Description
- International Harvester 5.1L 6-cyl diesel International Harvester 4.8L 6-cyl gasoline
ENGINE DETAIL 1
- Description
- International Harvester D312 diesel 6-cylinder liquid-cooled
- Displacement
- 312ci / 5.1L
- Bore/Stroke
- 3.875x4.410inches / 98x 112mm
- Air cleaner
- dual stage dry
- Compression
- 17:1
- Rated RPM
- 2000
- Starter volts
- 12
ENGINE DETAIL 2
- Description
- International Harvester C291 gasoline 6-cylinder liquid-cooled
- Displacement
- 291ci / 4.8L
- Bore/Stroke
- 3.75x4.39inches / 95x 112mm
- Air cleaner
- dual stage dry
- Compression
- 7.5:1
- Rated RPM
- 2000
- Starter volts
- 12
FARMALL 666 ENGINES
- Description
- International Harvester 5.1L 6-cyl diesel International Harvester 4.8L 6-cyl gasoline
TRANSMISSIONS OVERVIEW
- Description
- 5-speed hydrostatic 10-speed partial power shift
TRANSMISSION 1
- Transmission
- sliding gear
- Gears
- 5 forward and 1 reverse
TRANSMISSION 2
- Type
- hydrostatic
- Gears
- infinite forward and reverse
TRANSMISSION 3
- Transmission
- Torque-Amplifier
- Type
- partial power shift
- Gears
- 10 forward and 2 reverse
- Clutch
- dry disc
MECHANICAL
- Chassis
- 4x2 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
TRACTOR HITCH
- Rear Type
- II
- Type
- IH Fast Hitch
POWER TAKE-OFF (PTO)
- Rear PTO
- independent
- Rear RPM
- 540
FARMALL 666 TIRES
- Ag front
- 7.50-16
- Ag rear
- 15.5-38
DIMENSIONS
- Wheelbase
- 103inches / 261cm
- Weight
- 7053lbs / 3199kg
DIMENSIONS & TIRES
- Wheelbase
- 103inches / 261cm
- Weight
- 7053lbs / 3199kg
- Front tire
- 7.50-16
- Rear tire
- 15.5-38
666 SERIAL NUMBERS
- Location
- Clutch housing, right side
- 1972
- 7500
- 1973
- 8200
- 1974
- 11585
- 1975
- 13131
- 1976
- 15739
