international harvester 666

International Harvester 666 tractor photo
1972 - 1976 Row-Crop tractor
1972 - 1976
Row-Crop tractor
1972 - 1976
Row-Crop tractor
1972 - 1976
Row-Crop tractor
Production
Manufacturer
International Harvester
Row-Crop tractor
Built in Rock Island, Illinois, USA
Total built
9,367
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 tank
33 gal 124.9 L
Diesel Fuel tank
31 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.
Hydraulics
Type
open center
Pump flow
12 gpm 45.4 lpm
Tractor hitch
Rear Type
II
Type
IH Fast Hitch
Power Take-off (PTO)
Rear PTO
independent
Rear PTO Type
540 (1.375)
Dimensions & Tires
Wheelbase
103 inches 261 cm
Weight
6780 to 7420 pounds
Front tire
7.50-16
Rear tire
15.5-38
Full dimensions and tires ...
666 Serial Numbers
Location:
Clutch housing, right side
1972
7500
1973
8200
1974
11585
1975
13131
1976
15739
FAQ: How to read a serial number table.
Electrical
Charging system
alternator
Battery volts
12
References
666 references literature
Farm Equipment Reference Catalog published in 1972, by International Harvester

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