International Harvester 666 Technical specs


Make International Harvester
Model 666
Company country United states
Production years From 1972  Until 1976
Tractor type -
Fuel diesel
Price 11,875  USD
Total build 9,367
Service repair manual International Harvester 666 Manual
AG front tires 7.50-16
AG rear tires 15.5-38
Weight 7053 lbs or 3199 kg
Length -
Width -
Height -
Wheelbase 103 inches [261 cm]
Ground clearance -
Engine size 291 ci or 4.8 L
Number of cylinders 6 cylinders
Horsepower -
Power RPM 2000 (rpm)
Engine torque -
Engine torque RPM -
Fuel type diesel
Fuel tank capacity -
Compression ratio 7.5:1
Bore stroke 3.75x4.39 inches or (95 x 112 mm)
Number of batteries -
Battery voltage 12 V
Electric ground force -
Engine starter volts 12 V
Parts And Accessories International Harvester 666 Parts
Transmission system Torque-Amplifier
Transmission type partial power shift
Transmission gears 10 forward and 2 reverse
Clutch system dry disc
Wheel drive 4x2 2WD
Steering system hydrostatic power
Braking system dry disc
Cabin type Open operator station
Drawbar real power 53.10 hp or 39.6 kW
Drawbar fuel consumption 5.6 gal/hour or 21.2 l/hour
Max drawbar pull 8,310 lbs or 3769 kg
PTO claimed power -
PTO real power 65.41 hp or 48.8 kW
PTO clutch system -
Rear PTO system independent
Rear PTO RPM 540 (rpm)
Front PTO system -
PTO fuel consumption 5.3 gal/hour or 20.1 l/hour
Hitch control system -
Rear hitch II
Rear hitch lift -



Detailed review of International Harvester 666

International Harvester produced its 666 farm tractor model From 1972  Until 1976 in United states this exact model was priced at 11,875 USD with a Open operator station cabin and more than 9,367 units were build.
Talking dimensions and weight, this model weighs 7053 lbs or 3199 kg while maintaining a wheelbase of 103 inches [261 cm].
This tractor can fit ag tires of 7.50-16 front and 7.50-16 back .
This International Harvester 666 is powerd by a diesel engine it has 291 ci or 4.8 L 6 cylinders.
This machine has 4x2 2WD wheel drive system,10 forward and 2 reverse Torque-Amplifier transmission system.

- International Harvester provided us with the latest version of its 666 service repair manual
- Find All mechanical and electrical parts and accessories of International Harvester 666 farm-tractor here