International Harvester 1566

Name: International Harvester 1566
Brand: International Harvester

Power

183 hp

Production

1974-1976

Engine

Turbocharged diesel, 6-cylinder

Transmission

Torque Amplifier

Drive

2WD

140–200 HP 1970s

From the same series:

1468

1568

Introduction

International Harvester 1566: The Powerhouse Row-Crop Tractor You Need

Get ready to experience the raw power and unwavering reliability of the International Harvester 1566! This formidable row-crop tractor, manufactured in Rock Island, Illinois, USA, is a testament to robust engineering, designed to tackle the most demanding agricultural tasks with ease. Built between 1974 and 1976, the 1566 is more than just a tractor; it's a dependable partner ready to boost your productivity.

Engine Powerhouse

At the heart of the 1566 beats a mighty International Harvester DT-436 turbocharged diesel engine. This 6-cylinder liquid-cooled beast boasts a displacement of 436 cubic inches and delivers a commanding 183 horsepower. With a compression ratio of 16:1 and rated RPMs of 2600, this engine is built for sustained performance, ensuring you have the power needed for plowing, tilling, and everything in between.

Transmission & Drivetrain Excellence

Shifting gears is a breeze with the 1566's sophisticated transmission system. Featuring a Torque Amplifier and a two-speed power shift, you get a generous 12 forward and 6 reverse gears. This extensive range allows for precise speed control, optimizing efficiency for any operation. Coupled with a two-wheel drive configuration and planetary final drives, the 1566 offers robust and reliable power delivery to the ground.

Hydraulics and PTO for Versatility

Equip your 1566 for any task with its versatile hydraulic system. Offering an open center type with a pump flow of 12 GPM, and optional rear and front valves, this tractor is ready to power a wide array of implements. The independent rear PTO, running at 1000 RPM, ensures efficient power transfer to your harvesting, spraying, or tilling equipment, making the 1566 a true multi-purpose machine.

Operator Comfort and Control

Designed with the operator in mind, the 1566 offers an open operator station, with the option for a comfortable cab complete with air conditioning. Maneuvering this beast is made easy thanks to power steering, and you can count on sure stopping power with the hydraulic wet disc brakes. The Category III/II rear hitch with lower-link draft sensing provides precise control over your implements.

Built to Last: Dimensions and Durability

With a substantial wheelbase of 105 inches and a total length of 168 inches, the 1566 provides excellent stability in the field. Its adjustable tread widths, ranging from 62 to 86 inches at the front and 66 to 120 inches at the rear, allow for customization to various row spacings. The robust construction and thoughtful dimensions ensure this tractor can withstand the rigors of daily farm work for years to come.

Conclusion

"The International Harvester 1566 stands as a monument to agricultural engineering excellence. Its powerful engine, versatile transmission, and robust hydraulic system make it an invaluable asset for any farm. Whether you're looking for brute strength for heavy tillage or precision for row-crop work, the 1566 delivers. This tractor is a smart investment for those who demand performance, durability, and reliability from their machinery."

Introduction

Production Information of International Harvester, 1566

The production information of the tractor (1566) includes details about its manufacturing.

Original price was $26,250 in 1976

Row-Crop tractor

Built in Rock Island, Illinois, USA


Manufacturer	International Harvester
Total built	7,417

Dimension and Tires Information of International Harvester, 1566

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


Front tread	62 to 86 inches [157 to 218 cm]
Wheelbase	105 inches [266 cm]
Height (exhaust)	125 inches [317 cm]
Height (cab)	117 inches [297 cm]
Length	168 inches [426 cm]
Front tread	56 to 80 inches [142 to 203 cm (optional)]
Clearance (drawbar)	17 inches [43 cm]
Width	112 inches*Width over axle ends. [284 cm]
Rear tread	66 to 120 inches [167 to 304 cm]


Ag front	11L-15
Ag rear	20.8-38

Engine Specifications of International Harvester, 1566

Get the specifications for the engine and if different options are available.

International Harvester DT-436

Liquid-cooled

Turbocharged diesel

6-cylinder


Oil capacity	20 qts [18.9 L]
Displacement	436 ci [7.1 L]
Compression	16:1
Bore/Stroke	4.30x5.00 inches [109 x 127 mm]
Coolant capacity	26 qts [24.6 L]
Idle RPM	900-2600
Rated RPM	2600
Power	183 hp [136.5 kW]

Transmission Information of International Harvester, 1566Y

Discover all variants of transmission available for this tractor model.

Transmission variants 1


Transmission	Torque Amplifier
Type	Two-speed power shift
Gears	12 forward and 6 reverse

Mechanical Specs of International Harvester, 1566Y

This section summarizes all mechanical information such as the brake system and other specifications.

Two-wheel drive

Open operator station. Cab available with air-conditioning.

Hydraulic wet disc brakes

Power steering


Final drives	Planetary

Power Information of International Harvester, 1566Y

Discover the power specifications and options available for this tractor model but also PTO (Power Take-off) information.


Rear PTO	Independent
Rear PTO Type	1000
Engine RPM	1000@2300

Hydraulics Specifications of International Harvester, 1566

Hydraulic system type, pressure, pump flow and valves.


Type	Open center
Pump flow	12 gpm [45.4 lpm]
Rear valves	2 OptOptional
Front valves	2 OptOptional

Three-Point Hitch of International Harvester, 1566

Hitch category and rear/front lift capacity.


Rear Type	III/II
Control	Lower-link draft sensing

Electrical System of International Harvester, 1566

Battery voltage, charging system and ground.


Charging system	Alternator

Frequently asked questions

How much horsepower does the International Harvester 1566 have?

The International Harvester 1566 delivers 183 HP.

What years was the International Harvester 1566 produced?

The International Harvester 1566 was produced in 1974-1976.

What engine does the International Harvester 1566 have?

The International Harvester 1566 is powered by a Turbocharged diesel, 6-cylinder engine.

What transmission does the International Harvester 1566 use?

The International Harvester 1566 uses a Torque Amplifier transmission.

Is the International Harvester 1566 4WD?

The International Harvester 1566 is available in 2WD.

More International Harvester models

1586177 HP · 1976 - 1981 3788189 HP · 1980 - 1981 5288177 HP · 1981 - 1985 6588177 HP · 1981 - 1984 4166175 HP · 1972 - 1976 1568172 HP · 1974 - 1976 1486B167 HP · 1981 - 1982 3588167 HP · 1978 - 1981

View all 252 International Harvester models →

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