J.I. Case 644 VS International Harvester Super AI specs comparison

J.I. Case 644 1972 comparison online with competitors

J.I. Case 644

General Infos
Make J.I. Case
Model 644
Country Unites states
Production From 1972  Until 1979
Price -
Tractor type Industrial tractor
Fuel gasoline
Service repair manual J.I. Case 644 Manual

Dimensions, sizes and tires
AG front tires -
AG rear tires -
Lawn front tires -
Lawn rear tires -
Indus front tires 5.70-8
Indus rear tires 27x8.50-15
Weight 1130 lbs or 512 kg
Length 108 inches [274 cm]
Width 41 inches [104 cm]
Height -
Wheelbase 48 inches [121 cm]
Ground clearance 8.25 inches [20 cm]
Turning radius -
Rear tread size -
Front tread size -
Turning radius -

Horsepower and engin specs
Engine capacity 31.27 ci or 0.5 L
Cylinders 1 cylinders
Engine power 14 hp or 10.4 kW
Engine RPM 3600 (rpm)
Torque -
Torque RPM -
Fuel type gasoline
Fuel injection -
Fuel tank size 5 gal or 18.9 L
Oil capacity 1.5 qts or 1.4 L
Oil change 25 h
Starter motor electric
Starter volts 12 V
Parts And Accessories J.I. Case 644 Parts
Electrical and battery specs
Batteries number 1
Batteries voltage 12 V
Battries Amps 32 amps
Cold Amps -
Ground force negative
Charging system starter-generator
Charging Volts 12 V
Charging Amps -
Clutch and gearbox specs
Trans system Hy-Drive
Trans type hydraulic drive
Trans gears infinite (2-range) forward and reverse
Clutch system -
Cabine and mechanical specs
Wheel drive 4x2 2WD
Final drive -
Steering manual
Braking system mechanical band
Cabin type Open operator station
Differentiel lock -
Hydraulics specifications
System open center
Valves -
Pump flow 9 gpm or 34.1 lpm
SVC flow -
Steering flow -
Tank capacity 3 gal or 11.4 L
Hydraulic pressure 2300 psi or 158.6 bar
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 -
Front PTO -
Front PTO RPM -
Mid PTO -
Mid PTO RPM -
Fuel consumption -
3 point hitch specifiations
Hitch system -
Rear hitch -
Rear hitch lift -
Front hitch -
Front hitch lift -

International Harvester Super AI 1947 comparison online with competitors

International Harvester Super AI

General Infos
Make International Harvester
Model Super AI
Country United states
Production From 1947  Until 1954
Price -
Tractor type Industrial tractor
Fuel gasoline
Service repair manual International Harvester Super AI Manual

Dimensions, sizes and tires
AG front tires 5.00-15
AG rear tires 9-24
Lawn front tires -
Lawn rear tires -
Indus front tires -
Indus rear tires -
Weight 2,400 lbs or 1088 kg
Length 106.8 inches [271 cm]
Width 55.8 inches [141 cm]
Height -
Wheelbase 71.1 inches [180 cm]
Ground clearance -
Turning radius 8.5 feet [2.6 m]
Rear tread size 40 to 68 inches
Front tread size -
Turning radius -

Horsepower and engin specs
Engine capacity 113.1 ci or 1.9 L
Cylinders 4 cylinders
Engine power -
Engine RPM 1400 (rpm)
Torque -
Torque RPM -
Fuel type gasoline
Fuel injection -
Fuel tank size 11 gal or 41.6 L
Oil capacity 5 qts or 4.7 L
Oil change 120 h
Starter motor -
Starter volts 6 V
Parts And Accessories International Harvester Super AI Parts
Electrical and battery specs
Batteries number 1
Batteries voltage 6 V
Battries Amps -
Cold Amps -
Ground force postitive
Charging system -
Charging Volts -
Charging Amps -
Clutch and gearbox specs
Trans system -
Trans type sliding gear
Trans gears 4 forward and 1 reverse
Clutch system 9-inch dry disc
Cabine and mechanical specs
Wheel drive 4x2 2WD
Final drive -
Steering manual
Braking system differential mechanical contracting band
Cabin type Open operator station
Differentiel lock -
Hydraulics specifications
System IH Touch-Control
Valves 1
Pump flow -
SVC flow -
Steering flow -
Tank capacity 2.1 gal or 7.9 L
Hydraulic pressure -
Max flow -
Drawbar specifications
Drawbar type -
Claimed power 13 hp or 9.7 kW
Drawbar horsepower -
Fuel consumption -
Pulling power -
Power take-off (PTO) specs
Claimed power 16 hp or 11.9 kW
Real power -
Engine @RPM -
PTO Clutch -
Rear PTO transmission
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 -
Front hitch -
Front hitch lift -

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Useful links and guides ....


  • Get your International Harvester Super AI manual book version
  • Cabine, electrical And mechanical parts for International Harvester Super AI industrial-tractor here