International Harvester 523 VS Farmall 666 specs comparison

International Harvester 523 1965 comparison online with competitors

International Harvester 523

General Infos
Make International Harvester
Model 523
Country United states
Production From 1965  Until 1972
Price -
Tractor type Utility tractor
Fuel diesel
Service repair manual International Harvester 523 Manual

Dimensions, sizes and tires
AG front tires 6.00-16
AG rear tires 11x32
Lawn front tires -
Lawn rear tires -
Indus front tires -
Indus rear tires -
Weight 5380 lbs or 2440 kg
Length 119.8 inches [304 cm]
Width 63.8 inches [162 cm]
Height -
Wheelbase 78.74 inches [199 cm]
Ground clearance -
Turning radius -
Rear tread size -
Front tread size -
Turning radius -

Horsepower and engin specs
Engine capacity 179 ci or 2.9 L
Cylinders 3 cylinders
Engine power 52 hp or 38.8 kW
Engine RPM 2100 (rpm)
Torque -
Torque RPM -
Fuel type diesel
Fuel injection direct injection
Fuel tank size 18.5 gal or 70.0 L
Oil capacity 6.8 qts or 6.4 L
Oil change -
Starter motor electric
Starter volts 12 V
Parts And Accessories International Harvester 523 Parts
Electrical and battery specs
Batteries number -
Batteries voltage -
Battries Amps 135 amps
Cold Amps -
Ground force -
Charging system generator
Charging Volts -
Charging Amps 10.8 amps
Clutch and gearbox specs
Trans system Agriomatic S
Trans type partial power shift
Trans gears 12 forward and 4 reverse
Clutch system 279.4mm dry disc
Cabine and mechanical specs
Wheel drive 4x2 2WD
Final drive -
Steering manual
Braking system disc
Cabin type Open operator station
Differentiel lock mechanical rear
Hydraulics specifications
System -
Valves -
Pump flow 7.5 gpm or 28.4 lpm
SVC flow -
Steering flow -
Tank capacity 4.3 gal or 16.3 L
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 independent
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 II/I
Rear hitch lift 3748 lbs or 1700 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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