International Harvester 666 tractor

International Harvester 666

Power

75 hp

Production

1972-1976

Engine

Gasoline, 6-cylinder

Transmission

Sliding gear

Weight

6780 lbs (gas gear) [3075 kg]

Drive

2WD

From the same series:

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
ManufacturerInternational Harvester
Original price$11,875
Total built9,367

Dimension and Tires Information of International Harvester, 666

This section sums up the dimension and tires information of the tractor.

Rear tread50 to 96 inches [127 to 243 cm]
Wheelbase103 inches [261 cm]
Shipping weight6780 lbs (gas gear) [3075 kg]
Height (steering wheel)77 inches [195 cm]
Length161 inches [408 cm]
Clearance (drawbar)14 inches [35 cm]
7420 lbs (diesel hydro) [3365 kg]
Width87 inches [220 cm]
Front tread56 to 80 inches [142 to 203 cm]
Front tread50 to 74 inches [127 to 187 cm]
Clearance (front axle)21 inches [53 cm]
Ag front7.50-16
Ag rear15.5-38

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 volts12
Displacement291 ci [4.8 L]
Air cleanerDual stage dry
Bore/Stroke3.75x4.39 inches [95 x 112 mm]
Coolant capacity21 qts [19.9 L]
Coolant capacity21 qts [19.9 L]
Rated RPM2000
Compression7.5:1
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

TransmissionSliding gear
Gears5 forward and 1 reverse

Transmission variants 2

TypeHydrostatic
GearsInfinite forward and reverse

Transmission variants 3

TransmissionTorque-Amplifier
ClutchDry disc
TypeTwo-speed power shift
Gears10 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 PTOIndependent
Rear PTO Type540 (1.375)

Hydraulics Specifications of International Harvester, 666

Hydraulic system type, pressure, pump flow and valves.

TypeOpen center
Pump flow12 gpm [45.4 lpm]

Three-Point Hitch of International Harvester, 666

Hitch category and rear/front lift capacity.

Rear TypeII
TypeIH Fast Hitch

Electrical System of International Harvester, 666

Battery voltage, charging system and ground.

Charging systemAlternator
Battery volts12

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.

Compare the International Harvester 666 with another model