Information

2wd, Diesel, WF, 10F/2R Trans w/ TA, 540 PTO, 3-pt, 2 sets rear remotes, Allied 495 Loader w/ Grill Guard, Bucket

General Factory Specs:
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
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
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