International Harvester 3688 VS Challenger 75E 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 -

Challenger 75E 1998 comparison online with competitors

Challenger 75E

General Infos
Make Challenger
Model 75E
Country United states
Production From 1998  Until 2001
Price 207,300  USD
Tractor type Agricultural Crawler tractor
Fuel diesel
Service repair manual Challenger 75E Manual

Dimensions, sizes and tires
AG front tires 25-in track
AG rear tires 25-in track
Lawn front tires -
Lawn rear tires -
Indus front tires -
Indus rear tires -
Weight 34,800 lbs or 15785 kg
Length -
Width -
Height -
Wheelbase -
Ground clearance -
Turning radius -
Rear tread size -
Front tread size -
Turning radius -

Horsepower and engin specs
Engine capacity 629 ci or 10.3 L
Cylinders 6 cylinders
Engine power 340 hp or 253.5 kW
Engine RPM 2100 (rpm)
Torque -
Torque RPM -
Fuel type diesel
Fuel injection -
Fuel tank size 280 gal or 1059.8 L
Oil capacity -
Oil change -
Starter motor -
Starter volts 12 V
Parts And Accessories Challenger 75E 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 -
Trans type full power shift
Trans gears 10 forward and 2 reverse
Clutch system -
Cabine and mechanical specs
Wheel drive crawler
Final drive -
Steering hydrostatic differential steering
Braking system hydraulic caliper disc
Cabin type Cab standard
Differentiel lock -
Hydraulics specifications
System closed
Valves 4
Pump flow -
SVC flow -
Steering flow -
Tank capacity -
Hydraulic pressure -
Max flow 40 gpm or 151.4 lpm
Drawbar specifications
Drawbar type -
Claimed power -
Drawbar horsepower 263.38 hp or 196.4 kW
Fuel consumption 16.5 gal/hour or 62.5 l/hour
Pulling power 33,452 lbs or 15173 kg
Power take-off (PTO) specs
Claimed power -
Real power 309.60 hp or 230.9 kW
Engine @RPM -
PTO Clutch -
Rear PTO -
Rear PTO RPM 1000 (rpm)
Front PTO -
Front PTO RPM -
Mid PTO -
Mid PTO RPM -
Fuel consumption 17.0 gal/hour or 64.3 l/hour
3 point hitch specifiations
Hitch system -
Rear hitch III,IV
Rear hitch lift -
Front hitch -
Front hitch lift -

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