International Harvester 3688 VS Long 550 specs comparison

International Harvester 3688 1981 comparison online with competitors

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 -

Long 550 1972 comparison online with competitors

Long 550

General Infos
Make Long
Model 550
Country United states
Production From 1972  Until 1975
Price -
Tractor type Utility tractor
Fuel diesel
Service repair manual Long 550 Manual

Dimensions, sizes and tires
AG front tires 7.50-16
AG rear tires 18.4-28
Lawn front tires -
Lawn rear tires -
Indus front tires -
Indus rear tires -
Weight 4570 lbs or 2072 kg
Length -
Width -
Height -
Wheelbase 81.5 inches [207 cm]
Ground clearance -
Turning radius -
Rear tread size 47.25 to 74.7 inches
Front tread size 52 to 79 inches
Turning radius -

Horsepower and engin specs
Engine capacity 190.7 ci or 3.1 L
Cylinders 4 cylinders
Engine power 60 hp or 44.7 kW
Engine RPM 2400 (rpm)
Torque -
Torque RPM -
Fuel type diesel
Fuel injection direct injection
Fuel tank size 14.25 gal or 53.9 L
Oil capacity 11 qts or 10.4 L
Oil change -
Starter motor -
Starter volts 12 V
Parts And Accessories Long 550 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 gear
Trans gears 8 forward and 2 reverse
Clutch system 279.4mm dry disc
Cabine and mechanical specs
Wheel drive 4x2 2WD
Final drive -
Steering manual
Braking system independent contracting band
Cabin type Open operator station
Differentiel lock -
Hydraulics specifications
System open center
Valves -
Pump flow 5.75 gpm or 21.8 lpm
SVC flow -
Steering flow -
Tank capacity -
Hydraulic pressure 2133 psi or 147.1 bar
Max flow -
Drawbar specifications
Drawbar type -
Claimed power 46.7 hp or 34.8 kW
Drawbar horsepower 46.73 hp or 34.8 kW
Fuel consumption 3.6 gal/hour or 13.6 l/hour
Pulling power 6,944 lbs or 3149 kg
Power take-off (PTO) specs
Claimed power 53.7 hp or 40.0 kW
Real power 47.66 hp or 35.5 kW
Engine @RPM 540@1970 (rpm)
PTO Clutch -
Rear PTO -
Rear PTO RPM 540 (rpm)
Front PTO -
Front PTO RPM -
Mid PTO -
Mid PTO RPM -
Fuel consumption 3.2 gal/hour or 12.1 l/hour
3 point hitch specifiations
Hitch system -
Rear hitch II/I
Rear hitch lift 2660 lbs or 1206 kg
Front hitch -
Front hitch lift -

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