International Harvester 644 VS International Harvester 666 specs comparison

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	-

International Harvester 666

General Infos

Make	International Harvester
Model	666
Country	United states
Production	From 1972  Until 1976
Price	11,875  USD
Tractor type	-
Fuel	diesel
Service repair manual	International Harvester 666 Manual

Dimensions, sizes and tires

AG front tires	7.50-16
AG rear tires	15.5-38
Lawn front tires	-
Lawn rear tires	-
Indus front tires	-
Indus rear tires	-
Weight	7053 lbs or 3199 kg
Length	-
Width	-
Height	-
Wheelbase	103 inches [261 cm]
Ground clearance	-
Turning radius	-
Rear tread size	-
Front tread size	-
Turning radius	-

Horsepower and engin specs

Engine capacity	291 ci or 4.8 L
Cylinders	6 cylinders
Engine power	-
Engine RPM	2000 (rpm)
Torque	-
Torque RPM	-
Fuel type	diesel
Fuel injection	-
Fuel tank size	-
Oil capacity	-
Oil change	-
Starter motor	-
Starter volts	12 V
Parts And Accessories	International Harvester 666 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	partial power shift
Trans gears	10 forward and 2 reverse
Clutch system	dry disc

Cabine and mechanical specs

Wheel drive	4x2 2WD
Final drive	-
Steering	hydrostatic power
Braking system	dry disc
Cabin type	Open operator station
Differentiel lock	-

Hydraulics specifications

System	-
Valves	-
Pump flow	-
SVC flow	-
Steering flow	-
Tank capacity	-
Hydraulic pressure	-
Max flow	-

Drawbar specifications

Drawbar type	-
Claimed power	-
Drawbar horsepower	53.10 hp or 39.6 kW
Fuel consumption	5.6 gal/hour or 21.2 l/hour
Pulling power	8,310 lbs or 3769 kg

Power take-off (PTO) specs

Claimed power	-
Real power	65.41 hp or 48.8 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	5.3 gal/hour or 20.1 l/hour

3 point hitch specifiations

Hitch system	-
Rear hitch	II
Rear hitch lift	-
Front hitch	-
Front hitch lift	-

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