Row Crop

International Harvester 766

The International Harvester 766 is a row crop tractor built from 1971 to 1976. It's a 2-wheel drive machine with a 4x2 chassis and hydrostatic power steering. This tractor has a sliding gear transmission with partial power shift, offering 16 forward gears and 8 reverse gears for versatile operation. Under the hood, the 766 features a 6-cylinder, inline gasoline engine made by International Harvester. The C291 engine is naturally aspirated and liquid-cooled, with an average displacement of 391 cubic inches. It runs at a very high rated speed of 2400 rpm. The tractor weighs 10,300 pounds and measures 165 inches long, 98 inches wide, and 105 inches tall. It comes with agricultural tires on both front and rear. The 766 is equipped with a three-point hitch at the rear, falling into category II. It has an independent PTO with two speed options: 540 rpm and 1000 rpm. The hydraulic system is open center type, and the tractor features an open operator station. For safety and control, it has hydraulic dry disc brakes and an electric starter. This versatile row crop tractor is designed to handle various farming tasks efficiently.

ManufacturerInternational HarvesterEngine6-cylTransSliding gear / Partial power shift
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Quick specs

Category
Row Crop
Operating Weight
10,300 lb
Transmission
Sliding gear / Partial power shift
Compare this model

Overview

About the International Harvester 766

The International Harvester 766 is a row crop tractor built from 1971 to 1976. It's a 2-wheel drive machine with a 4x2 chassis and hydrostatic power steering. This tractor has a sliding gear transmission with partial power shift, offering 16 forward gears and 8 reverse gears for versatile operation. Under the hood, the 766 features a 6-cylinder, inline gasoline engine made by International Harvester. The C291 engine is naturally aspirated and liquid-cooled, with an average displacement of 391 cubic inches. It runs at a very high rated speed of 2400 rpm. The tractor weighs 10,300 pounds and measures 165 inches long, 98 inches wide, and 105 inches tall. It comes with agricultural tires on both front and rear. The 766 is equipped with a three-point hitch at the rear, falling into category II. It has an independent PTO with two speed options: 540 rpm and 1000 rpm. The hydraulic system is open center type, and the tractor features an open operator station. For safety and control, it has hydraulic dry disc brakes and an electric starter. This versatile row crop tractor is designed to handle various farming tasks efficiently.

Full specifications

Every recorded spec

General

ManufacturerInternational Harvester
Model766
CategoryRow Crop tractor
Type4x2 2WD
Years built1971–1976
Operating weight10,300lb

Engine

MakeInternational Harvester
ModelC291
Cylinders6
Displacement391ci
Bore3.74in
Stroke4.41in

Transmission

TypeSliding gear / Partial power shift
Forward gears16
Reverse gears8

Chassis & drive

Chassis4x2 2WD
Drive2WD
SteeringHydrostatic Power
BrakesHydraulic Dry Disc
CabOpen

Hydraulics

TypeOpen center

Power take-off

Rear PTOIndependent
PTO speed540rpm

Dimensions

Length165in
Width98in
Height105in
Operating weight10,300lb

Head to head

766 vs. Row Crop median

How the International Harvester 766 compares to other Row Crop tractors

SpecThis modelRow Crop medianDifferencePercentile
Engine Displacement391 ci391 ciat median50th
Cylinders66at median50th
Forward Gears1616at median50th
Operating Weight10,300 lb12,307 lb-16%34th
Length165 in180 in-8%30th
Width98 in91.2 in+8%77th
Height105 in114 in-7%26th

Medians and percentiles are computed from the row crop tractors in our database with a recorded value for each spec (sample sizes 8061,417 models).

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FAQ

Common questions

What years was the International Harvester 766 manufactured?

Production of the International Harvester 766 ran from 1971 through 1976.

What type of transmission does the International Harvester 766 have?

The International Harvester 766 uses a Sliding gear / Partial power shift transmission offering 16 forward gears.

What type of hydraulic system does the International Harvester 766 use?

Hydraulics on the International Harvester 766 are Open center.

What hitch category is the International Harvester 766?

The International Harvester 766 uses a Category II hitch.

How many cylinders does the International Harvester 766 have?

The International Harvester 766 runs a 6-cylinder engine with a displacement of 391 ci.

What is the working weight of the International Harvester 766?

The operating weight of the International Harvester 766 is approximately 10,300 lb.

What routine service does the International Harvester 766 need?

Regular maintenance for the International Harvester 766 includes checking and changing engine oil, hydraulic fluid, and filters, plus routine inspections as recommended in the owner's manual. Always follow the manufacturer's maintenance schedule for specific intervals and procedures.