International Harvester 574 VS Challenger MT645 specs comparison

International Harvester 574

General Infos

Make	International Harvester
Model	574
Country	United states
Production	From 1970  Until 1978
Price	10,000  USD
Tractor type	-
Fuel	gasoline
Service repair manual	International Harvester 574 Manual

Dimensions, sizes and tires

AG front tires	6.50-16
AG rear tires	14.9-28
Lawn front tires	-
Lawn rear tires	-
Indus front tires	-
Indus rear tires	-
Weight	4,835 lbs or 2193 kg
Length	135 inches [342 cm]
Width	-
Height	91 inches [231 cm]
Wheelbase	85.4 inches [216 cm]
Ground clearance	-
Turning radius	-
Rear tread size	-
Front tread size	-
Turning radius	-

Horsepower and engin specs

Engine capacity	238.6 ci or 3.9 L
Cylinders	4 cylinders
Engine power	67 hp or 50.0 kW
Engine RPM	2200 (rpm)
Torque	-
Torque RPM	-
Fuel type	gasoline
Fuel injection	-
Fuel tank size	20.34 gal or 77.0 L
Oil capacity	-
Oil change	-
Starter motor	-
Starter volts	12 V
Parts And Accessories	International Harvester 574 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	two-speed power shift.
Trans gears	16 forward and 8 reverse
Clutch system	-

Cabine and mechanical specs

Wheel drive	4x2 2WD
Final drive	-
Steering	hydrostatic power
Braking system	hydraulic wet disc
Cabin type	-
Differentiel lock	-

Hydraulics specifications

System	-
Valves	-
Pump flow	11.9 gpm or 45.0 lpm
SVC flow	-
Steering flow	-
Tank capacity	-
Hydraulic pressure	-
Max flow	-

Drawbar specifications

Drawbar type	-
Claimed power	45.1 hp or 33.6 kW
Drawbar horsepower	45.85 hp or 34.2 kW
Fuel consumption	3.6 gal/hour or 13.6 l/hour
Pulling power	6,446 lbs or 2923 kg

Power take-off (PTO) specs

Claimed power	52.97 hp or 39.5 kW
Real power	52.55 hp or 39.2 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	3.6 gal/hour or 13.6 l/hour

3 point hitch specifiations

Hitch system	-
Rear hitch	II
Rear hitch lift	3,969 lbs or 1800 kg
Front hitch	-
Front hitch lift	-

Challenger MT645

General Infos

Make	Challenger
Model	MT645
Country	United states
Production	From 2002  Until 2003
Price	-
Tractor type	Row Crop tractor
Fuel	diesel
Service repair manual	Challenger MT645 Manual

Dimensions, sizes and tires

AG front tires	14.9R30
AG rear tires	18.4R42
Lawn front tires	-
Lawn rear tires	-
Indus front tires	-
Indus rear tires	-
Weight	19000 lbs or 8618 kg
Length	203 inches [515 cm]
Width	98.2 inches [249 cm]
Height	121 inches [307 cm]
Wheelbase	121 inches [307 cm]
Ground clearance	-
Turning radius	-
Rear tread size	-
Front tread size	-
Turning radius	-

Horsepower and engin specs

Engine capacity	449 ci or 7.4 L
Cylinders	6 cylinders
Engine power	-
Engine RPM	2200 (rpm)
Torque	-
Torque RPM	-
Fuel type	diesel
Fuel injection	-
Fuel tank size	120 gal or 454.2 L
Oil capacity	-
Oil change	-
Starter motor	-
Starter volts	12 V
Parts And Accessories	Challenger MT645 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	power shift
Trans gears	18 forward and 6 reverse
Clutch system	electro-hydraulic wet disc

Cabine and mechanical specs

Wheel drive	4x4 MFWD 4WD
Final drive	-
Steering	power
Braking system	hydraulic wet disc
Cabin type	Cab standard with air-conditioning
Differentiel lock	-

Hydraulics specifications

System	closed center pressure flow compensated
Valves	4
Pump flow	-
SVC flow	-
Steering flow	-
Tank capacity	-
Hydraulic pressure	2900 psi or 200.0 bar
Max flow	29 gpm or 109.8 lpm

Drawbar specifications

Drawbar type	-
Claimed power	-
Drawbar horsepower	-
Fuel consumption	-
Pulling power	-

Power take-off (PTO) specs

Claimed power	180 hp or 134.2 kW
Real power	183.87 hp or 137.1 kW
Engine @RPM	1000@2091 (rpm)
PTO Clutch	-
Rear PTO	independent
Rear PTO RPM	1000 (rpm)
Front PTO	-
Front PTO RPM	-
Mid PTO	-
Mid PTO RPM	-
Fuel consumption	10.9 gal/hour or 41.3 l/hour

3 point hitch specifiations

Hitch system	-
Rear hitch	III
Rear hitch lift	18400 lbs or 8346 kg
Front hitch	-
Front hitch lift	-

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