International Harvester 3688 VS Steiger Cougar III ST-251 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 -

Steiger Cougar III ST-251 1976 comparison online with competitors

Steiger Cougar III ST-251

General Infos
Make Steiger
Model Cougar III ST-251
Country United states
Production From 1976  Until 1982
Price 75,000  USD
Tractor type Four wheel Drive (4WD) tractor
Fuel diesel
Service repair manual Steiger Cougar III ST-251 Manual

Dimensions, sizes and tires
AG front tires 23.1-34
AG rear tires 23.1-34
Lawn front tires -
Lawn rear tires -
Indus front tires -
Indus rear tires -
Weight 26,610 lbs or 12070 kg
Length 252 inches [640 cm]
Width 96 inches [243 cm] (tractor body)
Height -
Wheelbase 128 inches [325 cm]
Ground clearance -
Turning radius -
Rear tread size -
Front tread size -
Turning radius -

Horsepower and engin specs
Engine capacity 855 ci or 14.0 L
Cylinders 6 cylinders
Engine power 250 hp or 186.4 kW
Engine RPM 2100 (rpm)
Torque 850 lb-ft or 1152.6 Nm
Torque RPM 1400 (rpm)
Fuel type diesel
Fuel injection -
Fuel tank size 267 gal or 1010.6 L
Oil capacity 44 qts or 41.6 L
Oil change -
Starter motor -
Starter volts 12 V
Parts And Accessories Steiger Cougar III ST-251 Parts
Electrical and battery specs
Batteries number 2
Batteries voltage 12 V
Battries Amps 208 amps
Cold Amps -
Ground force negative
Charging system alternator
Charging Volts -
Charging Amps 90 amps
Clutch and gearbox specs
Trans system Spicer SST 1010
Trans type -
Trans gears 20 forward and 4 reverse
Clutch system 394mm dry disc
Cabine and mechanical specs
Wheel drive 4x4 articulated 4WD
Final drive outboard planetary
Steering hydrostatic power
Braking system hydraulic disc
Cabin type Safari Cab standard with heat and air-conditioning
Differentiel lock -
Hydraulics specifications
System open center
Valves 4
Pump flow 30.8 gpm or 116.6 lpm
SVC flow -
Steering flow -
Tank capacity 33 gal or 124.9 L
Hydraulic pressure 2250 psi or 155.1 bar
Max flow -
Drawbar specifications
Drawbar type -
Claimed power 206 hp or 153.6 kW
Drawbar horsepower 199.04 hp or 148.4 kW
Fuel consumption 13.5 gal/hour or 51.1 l/hour
Pulling power 26,880 lbs or 12192 kg
Power take-off (PTO) specs
Claimed power -
Real power -
Engine @RPM -
PTO Clutch -
Rear PTO -
Rear PTO RPM -
Front PTO -
Front PTO RPM -
Mid PTO -
Mid PTO RPM -
Fuel consumption -
3 point hitch specifiations
Hitch system -
Rear hitch 3
Rear hitch lift -
Front hitch -
Front hitch lift -

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