Introduction
Production Information of International Harvester, 666
The production information of the tractor (666) includes details about its manufacturing.
| Row-Crop tractor |
| Torque amplifier was an option. In 1973, the hydrostatic version of the 666 was renamed the 70 Hydro. |
| Built in Rock Island, Illinois, USA |
| Manufacturer | International Harvester |
|---|---|
| Original price | $11,875 |
| Total built | 9,367 |
Dimension and Tires Information of International Harvester, 666
This section sums up the dimension and tires information of the tractor.
| Rear tread | 50 to 96 inches [127 to 243 cm] |
|---|---|
| Wheelbase | 103 inches [261 cm] |
| Shipping weight | 6780 lbs (gas gear) [3075 kg] |
| Height (steering wheel) | 77 inches [195 cm] |
| Length | 161 inches [408 cm] |
| Clearance (drawbar) | 14 inches [35 cm] |
| 7420 lbs (diesel hydro) [3365 kg] | |
| Width | 87 inches [220 cm] |
| Front tread | 56 to 80 inches [142 to 203 cm] |
| Front tread | 50 to 74 inches [127 to 187 cm] |
| Clearance (front axle) | 21 inches [53 cm] |
| Ag front | 7.50-16 |
|---|---|
| Ag rear | 15.5-38 |
Engine Specifications of International Harvester, 666
Get the specifications for the engine and if different options are available.
| International Harvester C291 |
| Liquid-cooled |
| Gasoline |
| 6-cylinder |
| Starter volts | 12 |
|---|---|
| Displacement | 291 ci [4.8 L] |
| Air cleaner | Dual stage dry |
| Bore/Stroke | 3.75x4.39 inches [95 x 112 mm] |
| Coolant capacity | 21 qts [19.9 L] |
| Coolant capacity | 21 qts [19.9 L] |
| Rated RPM | 2000 |
| Compression | 7.5:1 |
| Power (gross) | 75 hp [55.9 kW] |
Transmission Information of International Harvester, 666Y
Discover all variants of transmission available for this tractor model.
Transmission variants 1
| Transmission | Sliding gear |
|---|---|
| Gears | 5 forward and 1 reverse |
Transmission variants 2
| Type | Hydrostatic |
|---|---|
| Gears | Infinite forward and reverse |
Transmission variants 3
| Transmission | Torque-Amplifier |
|---|---|
| Clutch | Dry disc |
| Type | Two-speed power shift |
| Gears | 10 forward and 2 reverse |
| 5-speed |
| Hydrostatic |
| 10-speed two-speed power shift |
Mechanical Specs of International Harvester, 666Y
This section summarizes all mechanical information such as the brake system and other specifications.
| Two-wheel drive |
| Open operator station. Two-post ROPS or canopy optional. Cab available with air-conditioning. |
| Power steering |
| Dry disc brakes |
Power Information of International Harvester, 666Y
Discover the power specifications and options available for this tractor model but also PTO (Power Take-off) information.
| Rear PTO | Independent |
|---|---|
| Rear PTO Type | 540 (1.375) |
Hydraulics Specifications of International Harvester, 666
Hydraulic system type, pressure, pump flow and valves.
| Type | Open center |
|---|---|
| Pump flow | 12 gpm [45.4 lpm] |
Three-Point Hitch of International Harvester, 666
Hitch category and rear/front lift capacity.
| Rear Type | II |
|---|---|
| Type | IH Fast Hitch |
Electrical System of International Harvester, 666
Battery voltage, charging system and ground.
| Charging system | Alternator |
|---|---|
| Battery volts | 12 |
Frequently asked questions
How much horsepower does the International Harvester 666 have?
The International Harvester 666 delivers 75 HP.
What years was the International Harvester 666 produced?
The International Harvester 666 was produced in 1972-1976.
What engine does the International Harvester 666 have?
The International Harvester 666 is powered by a Gasoline, 6-cylinder engine.
What transmission does the International Harvester 666 use?
The International Harvester 666 uses a Sliding gear transmission.
How much does the International Harvester 666 weigh?
The International Harvester 666 weighs 6780 lbs (gas gear) [3075 kg].
Is the International Harvester 666 4WD?
The International Harvester 666 is available in 2WD.
