International Harvester 644 VS Farmall 666 specs comparison

International Harvester 644 1974 comparison online with competitors

International Harvester 644

General Infos
Make International Harvester
Model 644
Country United states
Production From 1974  Until 1980
Price -
Tractor type -
Fuel diesel
Service repair manual International Harvester 644 Manual

Dimensions, sizes and tires
AG front tires 7.50-16
AG rear tires 16.9-30
Lawn front tires -
Lawn rear tires -
Indus front tires -
Indus rear tires -
Weight 6,350 lbs or 2880 kg
Length 148.82 inches [378 cm]
Width -
Height 98.03 inches [248 cm]
Wheelbase 87.80 inches [223 cm]
Ground clearance -
Turning radius -
Rear tread size -
Front tread size -
Turning radius -

Horsepower and engin specs
Engine capacity 206.4 ci or 3.4 L
Cylinders 4 cylinders
Engine power 60 hp or 44.7 kW
Engine RPM 2150 (rpm)
Torque -
Torque RPM -
Fuel type diesel
Fuel injection -
Fuel tank size 19.6 gal or 74.2 L
Oil capacity -
Oil change -
Starter motor -
Starter volts -
Parts And Accessories International Harvester 644 Parts
Electrical and battery specs
Batteries number -
Batteries voltage -
Battries Amps -
Cold Amps -
Ground force -
Charging system -
Charging Volts -
Charging Amps -
Clutch and gearbox specs
Trans system -
Trans type -
Trans gears 8 forward and 4 reverse
Clutch system -
Cabine and mechanical specs
Wheel drive 4x2 2WD
Final drive -
Steering -
Braking system -
Cabin type -
Differentiel lock -
Hydraulics specifications
System -
Valves -
Pump flow 7.9 gpm or 29.9 lpm
SVC flow -
Steering flow -
Tank capacity -
Hydraulic pressure -
Max flow -
Drawbar specifications
Drawbar type -
Claimed power -
Drawbar horsepower -
Fuel consumption -
Pulling power -
Power take-off (PTO) specs
Claimed power -
Real power -
Engine @RPM -
PTO Clutch -
Rear PTO -
Rear PTO RPM 540 (rpm)
Front PTO -
Front PTO RPM -
Mid PTO -
Mid PTO RPM -
Fuel consumption -
3 point hitch specifiations
Hitch system -
Rear hitch -
Rear hitch lift 6394 lbs or 2900 kg
Front hitch -
Front hitch lift -

Farmall 666 1972 comparison online with competitors

Farmall 666

General Infos
Make Farmall
Model 666
Country United states
Production From 1972  Until 1976
Price 11,875  USD
Tractor type -
Fuel diesel
Service repair manual Farmall 666 Manual

Dimensions, sizes and tires
AG front tires 7.50-16
AG rear tires 15.5-38
Lawn front tires -
Lawn rear tires -
Indus front tires -
Indus rear tires -
Weight 7053 lbs or 3199 kg
Length -
Width -
Height -
Wheelbase 103 inches [261 cm]
Ground clearance -
Turning radius -
Rear tread size -
Front tread size -
Turning radius -

Horsepower and engin specs
Engine capacity 291 ci or 4.8 L
Cylinders 6 cylinders
Engine power -
Engine RPM 2000 (rpm)
Torque -
Torque RPM -
Fuel type diesel
Fuel injection -
Fuel tank size -
Oil capacity -
Oil change -
Starter motor -
Starter volts 12 V
Parts And Accessories Farmall 666 Parts
Electrical and battery specs
Batteries number -
Batteries voltage 12 V
Battries Amps -
Cold Amps -
Ground force -
Charging system -
Charging Volts -
Charging Amps -
Clutch and gearbox specs
Trans system Torque-Amplifier
Trans type partial power shift
Trans gears 10 forward and 2 reverse
Clutch system dry disc
Cabine and mechanical specs
Wheel drive 4x2 2WD
Final drive -
Steering hydrostatic power
Braking system dry disc
Cabin type Open operator station
Differentiel lock -
Hydraulics specifications
System -
Valves -
Pump flow -
SVC flow -
Steering flow -
Tank capacity -
Hydraulic pressure -
Max flow -
Drawbar specifications
Drawbar type -
Claimed power -
Drawbar horsepower 53.10 hp or 39.6 kW
Fuel consumption 5.6 gal/hour or 21.2 l/hour
Pulling power 8,310 lbs or 3769 kg
Power take-off (PTO) specs
Claimed power -
Real power 65.41 hp or 48.8 kW
Engine @RPM -
PTO Clutch -
Rear PTO independent
Rear PTO RPM 540 (rpm)
Front PTO -
Front PTO RPM -
Mid PTO -
Mid PTO RPM -
Fuel consumption 5.3 gal/hour or 20.1 l/hour
3 point hitch specifiations
Hitch system -
Rear hitch II
Rear hitch lift -
Front hitch -
Front hitch lift -

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