International Harvester 3688 VS International Harvester 666 specs comparison

International Harvester 3688

General Infos

Make	International Harvester
Model	3688
Country	United states
Production	From 1981  Until 1985
Price	-
Tractor type	Row Crop tractor
Fuel	diesel
Service repair manual	International Harvester 3688 Manual

Dimensions, sizes and tires

AG front tires	11L-15
AG rear tires	18.4-34
Lawn front tires	-
Lawn rear tires	-
Indus front tires	-
Indus rear tires	-
Weight	11300 lbs or 5125 kg
Length	184 inches [467 cm]
Width	102 inches [259 cm]
Height	112 inches [284 cm]
Wheelbase	105 inches [266 cm]
Ground clearance	13 inches [33 cm]
Turning radius	13.5 feet [4.1 m]
Rear tread size	66 to 128.5 inches
Front tread size	60 to 84 inches
Turning radius	-

Horsepower and engin specs

Engine capacity	436 ci or 7.1 L
Cylinders	6 cylinders
Engine power	-
Engine RPM	2400 (rpm)
Torque	-
Torque RPM	-
Fuel type	diesel
Fuel injection	-
Fuel tank size	50 gal or 189.3 L
Oil capacity	14 qts or 13.2 L
Oil change	-
Starter motor	-
Starter volts	12 V
Parts And Accessories	International Harvester 3688 Parts

Electrical and battery specs

Batteries number	-
Batteries voltage	12 V
Battries Amps	-
Cold Amps	-
Ground force	negative
Charging system	-
Charging Volts	-
Charging Amps	-

Clutch and gearbox specs

Trans system	-
Trans type	partial power shift
Trans gears	16 forward and 8 reverse
Clutch system	cerametallic disc

Cabine and mechanical specs

Wheel drive	4x2 2WD
Final drive	-
Steering	power
Braking system	hydraulic wet disc
Cabin type	Cab standard with heat and A/C
Differentiel lock	-

Hydraulics specifications

System	closed center
Valves	2 to 4
Pump flow	18 gpm or 68.1 lpm
SVC flow	-
Steering flow	12 gpm or 45.4 lpm
Tank capacity	22.5 gal or 85.2 L
Hydraulic pressure	-
Max flow	27 gpm or 102.2 lpm

Drawbar specifications

Drawbar type	-
Claimed power	100.2 hp or 74.7 kW
Drawbar horsepower	99.21 hp or 74.0 kW
Fuel consumption	7.5 gal/hour or 28.4 l/hour
Pulling power	12250 lbs or 5556 kg

Power take-off (PTO) specs

Claimed power	113 hp or 84.3 kW
Real power	112.48 hp or 83.9 kW
Engine @RPM	540@2100 (rpm)
PTO Clutch	-
Rear PTO	independent
Rear PTO RPM	540 (rpm)
Front PTO	-
Front PTO RPM	-
Mid PTO	-
Mid PTO RPM	-
Fuel consumption	7.1 gal/hour or 26.9 l/hour

3 point hitch specifiations

Hitch system	draft sensing
Rear hitch	II
Rear hitch lift	-
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	-

Add a tractor