International Harvester 644 VS Challenger 45 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 -

Challenger 45 1995 comparison online with competitors

Challenger 45

General Infos
Make Challenger
Model 45
Country United states
Production From 1995  Until 1998
Price -
Tractor type Agricultural Crawler tractor
Fuel diesel
Service repair manual Challenger 45 Manual

Dimensions, sizes and tires
AG front tires 16-inch track
AG rear tires 16-inch track
Lawn front tires -
Lawn rear tires -
Indus front tires -
Indus rear tires -
Weight 22700 lbs or 10296 kg
Length 211 inches [535 cm]
Width 91 inches [231 cm]
Height 120 inches [304 cm]
Wheelbase 86 inches [218 cm]
Ground clearance -
Turning radius -
Rear tread size 60/68/72/76/80/88/90 inches
Front tread size 60/68/72/76/80/88/90 inches
Turning radius -

Horsepower and engin specs
Engine capacity 403 ci or 6.6 L
Cylinders 6 cylinders
Engine power 240 hp or 179.0 kW
Engine RPM 2100 (rpm)
Torque -
Torque RPM -
Fuel type diesel
Fuel injection -
Fuel tank size 125 gal or 473.1 L
Oil capacity -
Oil change -
Starter motor -
Starter volts 12 V
Parts And Accessories Challenger 45 Parts
Electrical and battery specs
Batteries number -
Batteries voltage 12 V
Battries Amps -
Cold Amps -
Ground force negative
Charging system alternator
Charging Volts -
Charging Amps -
Clutch and gearbox specs
Trans system -
Trans type creeper
Trans gears 32 forward and 18 reverse
Clutch system -
Cabine and mechanical specs
Wheel drive crawler
Final drive -
Steering differential power
Braking system wet disc
Cabin type Cab standard with air-conditioning
Differentiel lock -
Hydraulics specifications
System variable-displacement load-sensing pressure-compensated
Valves 3 or 4
Pump flow 31.2 gpm or 118.1 lpm
SVC flow -
Steering flow -
Tank capacity -
Hydraulic pressure 2750 psi or 189.6 bar
Max flow -
Drawbar specifications
Drawbar type -
Claimed power 170 hp or 126.8 kW
Drawbar horsepower -
Fuel consumption -
Pulling power -
Power take-off (PTO) specs
Claimed power 200 hp or 149.1 kW
Real power -
Engine @RPM 1000@1900 (rpm)
PTO Clutch electro-hydraulic wet disc
Rear PTO independent
Rear PTO RPM 1000 (rpm)
Front PTO -
Front PTO RPM -
Mid PTO -
Mid PTO RPM -
Fuel consumption -
3 point hitch specifiations
Hitch system draft control
Rear hitch III/II
Rear hitch lift 12500 lbs or 5670 kg
Front hitch -
Front hitch lift -

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