J.I. Case 646 VS J.I. Case 580B Construction King specs comparison

J.I. Case 646 1972 comparison online with competitors

J.I. Case 646

General Infos
Make J.I. Case
Model 646
Country Unites states
Production From 1972  Until 1980
Price -
Tractor type Industrial tractor
Fuel gasoline
Service repair manual J.I. Case 646 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 1190 lbs or 539 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 49.8 ci or 0.8 L
Cylinders 2 cylinders
Engine power 16.5 hp or 12.3 kW
Engine RPM 3600 (rpm)
Torque -
Torque RPM -
Fuel type gasoline
Fuel injection -
Fuel tank size 5 gal or 18.9 L
Oil capacity 4 qts or 3.8 L
Oil change 50 h
Starter motor electric
Starter volts 12 V
Parts And Accessories J.I. Case 646 Parts
Electrical and battery specs
Batteries number 1
Batteries voltage 12 V
Battries Amps 32 amps
Cold Amps -
Ground force negative
Charging system flywheel alternator
Charging Volts 12 V
Charging Amps 20 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 -

J.I. Case 580B Construction King 1971 comparison online with competitors

J.I. Case 580B Construction King

General Infos
Make J.I. Case
Model 580B Construction King
Country Unites states
Production From 1971  Until 1976
Price -
Tractor type Industrial tractor
Fuel diesel
Service repair manual J.I. Case 580B Construction King Manual

Dimensions, sizes and tires
AG front tires -
AG rear tires -
Lawn front tires -
Lawn rear tires -
Indus front tires 11Lx16
Indus rear tires 16.9x24
Weight 4170 lbs or 1891 kg
Length 117 inches [297 cm] (tractor)
Width 77 inches [195 cm]
Height -
Wheelbase 78.4 inches [199 cm] (188ci)
Ground clearance 14 inches [35 cm]
Turning radius -
Rear tread size 60 to 76 inches
Front tread size 54 to 57 inches
Turning radius -

Horsepower and engin specs
Engine capacity 159 ci or 2.6 L
Cylinders 4 cylinders
Engine power 50 hp or 37.3 kW
Engine RPM 1900 (rpm)
Torque 122 lb-ft or 165.4 Nm
Torque RPM 1250 (rpm)
Fuel type diesel
Fuel injection -
Fuel tank size 22 gal or 83.3 L
Oil capacity 4 qts or 3.8 L
Oil change -
Starter motor -
Starter volts 12 V
Parts And Accessories J.I. Case 580B Construction King 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 -
Trans type hydrostatic
Trans gears infinite forward and reverse
Clutch system -
Cabine and mechanical specs
Wheel drive 4x2 2WD
Final drive -
Steering hydrostatic power
Braking system differental mechanical disc/band
Cabin type Open operator station
Differentiel lock -
Hydraulics specifications
System -
Valves -
Pump flow -
SVC flow -
Steering flow -
Tank capacity 11 gal or 41.6 L
Hydraulic pressure 2200 psi or 151.7 bar
Max flow 26 gpm or 98.4 lpm
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 optional
Rear PTO RPM -
Front PTO -
Front PTO RPM -
Mid PTO -
Mid PTO RPM -
Fuel consumption -
3 point hitch specifiations
Hitch system -
Rear hitch optional
Rear hitch lift -
Front hitch -
Front hitch lift -

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Useful links and guides ....


  • Get your J.I. Case 580B Construction King manual book version
  • Cabine, electrical And mechanical parts for J.I. Case 580B Construction King industrial-tractor here