International Harvester 666


International Harvester 666 tractor photo
1972 - 1976
Row-Crop tractor
Series map:
666
75.0hp
Production
ManufacturerInternational Harvester
Row-Crop tractor
Built in Rock Island, Illinois, USA
Total built9,367
Original price$11,875
Torque amplifier was an option. In 1973, the hydrostatic version of the 666 was renamed the 70 Hydro.
International Harvester 666 Engines
International Harvester 5.1L 6-cyl diesel
International Harvester 4.8L 6-cyl gasoline
Gas Fuel tank33 gal
124.9 L
Diesel Fuel tank31 gal
117.3 L
Engine details ...
International Harvester 666 Transmissions
5-speed
hydrostatic
10-speed two-speed power shift
Transmission details ...
International Harvester 666 Power
Engine (gross)75 hp
55.9 kW
Drawbar (claimed)57 hp (gear)
42.5 kW
 54 hp (hydro)
40.3 kW
PTO (claimed)65 hp (gear)
48.5 kW
 69 hp (hydro)
51.5 kW
Drawbar (tested)58.01 hp
43.3 kW
PTO (tested)69.61 hp
51.9 kW
Performance test details ...
Mechanical
Two-wheel drive
Power steering
Dry disc brakes
Open operator station. Two-post ROPS or canopy optional. Cab available with air-conditioning.
Photos
No photos of the International Harvester 666 are currently available. To submit yours, email it to Peter@TractorData.com. Photos may only be used with the permission of the original photographer.
Hydraulics
Typeopen center
Pump flow12 gpm
45.4 lpm
Tractor hitch
Rear TypeII
TypeIH Fast Hitch
Power Take-off (PTO)
Rear PTOindependent
Rear PTO Type540 (1.375)
Dimensions & Tires
Wheelbase103 inches
261 cm
Weight6780 to 7420 pounds
Front tire7.50-16
Rear tire15.5-38
Full dimensions and tires ...
666 Serial Numbers
Location:Clutch housing, right side
19727500
19738200
197411585
197513131
197615739

FAQ: How to read a serial number table.
Electrical
Charging systemalternator
Battery volts12
References
666 references literature
Farm Equipment Reference Catalog published in 1972, by International Harvester
Page information
Peter Easterlund - owner of TractorData.com
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Peter Easterlund - owner/author
Email: Peter@TractorData.com
Updated on February 6, 2024
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