International Harvester 523 VS Challenger MT645 specs comparison

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	-

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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