International Harvester Tractor 766 826 966 1026 1066 WSM

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Taper: Tractor

Distributeur:

UGS: 99314

Mots clés: 1026 1066 766 826 966 Agriculture Farmall Series International Harvester Tractor Tractors

Variantes de produits

Description

This manual covers the International Harvester 766, 826, 966, 1026, and 1066 tractor models, which represent a significant era in agricultural machinery from the late 1960s through the 1970s. These tractors, powered by International Harvester's robust diesel engines, were engineered for dependable performance and durability, earning a strong reputation in the agricultural industry. Known for their sturdy construction and reliable operation, these models provided essential power and functionality for farming operations, featuring options like the Torque Amplifier for enhanced gear selection and robust hydraulic systems. This comprehensive Workshop Service Manual (WSM) is designed to provide detailed guidance for the maintenance, repair, and troubleshooting of your International Harvester tractor. It includes in-depth coverage of all major systems, including the engine, transmission, hydraulics, and electrical components, with step-by-step instructions, diagnostic procedures, and technical specifications such as torque values and fluid requirements. The manual is intended for tractor owners, mechanics, and farm equipment repair shops, enabling them to perform all services and repairs efficiently, thereby saving costs and ensuring the longevity of the equipment.

🏷️ Basic Information

Identification

Make:

International Harvester

Model:

766, 826, 966, 1026, 1066

Product Type:

Service Repair Manual (WSM)

👋 Introduction

Market Position

Target Audience:

Tractor owners, mechanics, farm equipment repair shops.

Value Proposition

Cost Savings:

Enables users to perform their own repairs, saving significant costs compared to professional service.

Key Features

Ease Of Use:

Easy-to-follow, step-by-step instructions.

Comprehensiveness:

Covers all services, repairs, and routine maintenance.

📋 Manual Details

Coverage Areas

Covered Models:

International Harvester 766, 826, 966, 1026, 1066 Tractors

Page Count

Estimated Page Count:

Varies by specific model, but typically extensive (e.g., 500+ pages for comprehensive manuals)

Manual Type

Manual Type:

Workshop Service Manual (WSM) / Repair Manual

Language

Language:

English

Format

File Format:

Download Type:

Instant Download

Requirements

Reader Requirement:

Adobe PDF Reader

Compatibility:

All Versions of Windows & Mac

📖 Manual Coverage

Systems Covered

Engine:

Engine overhaul, tuning, fuel system, lubrication, cooling system, starting and charging systems, engine diagnostics.

Transmission:

Transmission overhaul, clutch, gear shifting mechanisms, torque amplifier, power take-off (PTO) operation and repair.

Hydraulics:

Hydraulic system operation, pump service, valve assembly, cylinder repair, hitch control, hydraulic fluid specifications.

Electrical:

Wiring diagrams, lighting systems, starter motor, alternator, battery service, ignition system troubleshooting, instrument panel.

Chassis And Frame:

Frame inspection and repair, front axle, rear axle, steering system, braking system.

Body And Cab:

Cab structure, operator controls, seat, fenders, sheet metal repair, painting guidance.

Procedures Included

Routine Maintenance:

Lubrication charts, filter replacement intervals, fluid level checks, greasing points.

Diagnostics And Troubleshooting:

Step-by-step diagnostic procedures for common and uncommon issues, symptom-based troubleshooting guides.

Major Repairs:

Complete disassembly, inspection, repair, and reassembly of all major tractor components.

Component Rebuild:

Detailed instructions for rebuilding engines, transmissions, hydraulic pumps, and other critical assemblies.

Technical Specifications:

Torque specifications, clearances, timing procedures, hydraulic pressures, electrical resistance values.

Technical Depth

Depth:

In-depth, professional quality, covering all areas of repair and maintenance.

Visual Aids

Illustrations:

Pictures and diagrams included for clarity.

Wiring Diagrams:

Comprehensive wiring diagrams provided for electrical system troubleshooting and repair.

📊 Manual Specifications

File Format

File Type:

Print Quality

Printability:

Full Printable

Print Usage:

Printable pages for workshop convenience.

Binding Type

Binding Type:

Digital (PDF Download) - No physical binding

Paper Type

Paper Type:

N/A (Digital Download)

⚙️ Engine Specifications

Primary Engine

Engine Families:

Models likely feature International Harvester's D-series and DT-series diesel engines (e.g., D-236, DT-236, D-268, DT-268, D-310, DT-310, DT-358, DT-407 depending on model and specific variant).

Engine Displacement

Displacement Range:

Approximately 236 to 407 cubic inches (3.8 to 6.7 liters) across the model range.

Performance

Horsepower Range:

Engine horsepower typically ranged from around 65 HP for the 766 to over 100 HP for the 1066 models.

Torque Specifications:

Specific torque figures are detailed within the manual for engine components and assembly.

Fuel System

Injection System:

Typically rotary or inline injection pumps (e.g., CAV, Bosch) for diesel engines.

Fuel Type:

Diesel

🔧 Transmission

Standard

Transmission Types:

Manual transmission, often with a synchronized gearbox. Torque Amplifier (TA) option was common.

Optional

Powershift Transmission:

Some higher horsepower models may have had optional powershift transmissions available.

Features

Torque Amplifier:

The Torque Amplifier provided a low-range gear reduction without clutching, effectively doubling the number of gears.

📐 Dimensions

Exterior

Overall Length:

Varies by model and configuration (e.g., 2WD vs. 4WD, loader attachments).

Wheelbase:

Specifications vary by model, but are provided in the manual.

Weights

Operating Weight:

Typically ranges from 8,000 to 12,000+ lbs depending on the model and options.

🛡️ Safety Features

Passive Features

Operator Station:

Basic operator stations, often with ROPS (Roll-Over Protective Structure) options or requirements depending on the era and specific configuration.

Active Features

Braking System:

Hydraulically actuated disc brakes, often internal expanding or enclosed wet disc brakes.

💡 Technology Features

Infotainment

Infotainment Systems:

N/A (Tractors of this era featured functional operator controls, not modern infotainment systems).

Driver Assistance

Assistance Features:

N/A (Basic mechanical controls).

Connectivity

Connectivity Features:

🔧 Maintenance

Service Intervals

Engine Oil Change:

Typically every 100-250 operating hours, depending on operating conditions and oil type.

Hydraulic Fluid Change:

Usually recommended at 500-1000 operating hours or annually.

Fluid Specifications

Engine Oil:

API CD or CE rated diesel engine oil, SAE 30 or 10W-30 depending on temperature.

Hydraulic Fluid:

IH Hy-Tran fluid or equivalent UTF (Universal Tractor Transmission fluid) meeting specific IH specifications (e.g., T-22).

Transmission Fluid:

IH Hy-Tran fluid or equivalent UTF.

Coolant:

Ethylene glycol based antifreeze mixture, typically a 50/50 blend with distilled water.

Known Issues

Torque Amplifier Failure:

Can be prone to wear and failure if not operated correctly or if maintenance is neglected.

Hydraulic System Leaks:

Aging seals and hoses can lead to hydraulic fluid leaks.

Engine Component Wear:

Standard wear on pistons, rings, bearings, and valve train after extensive use.

📚 Vehicle History

Brand Heritage

Manufacturer:

International Harvester (IH), a significant American manufacturer of agricultural machinery and vehicles.

Model Evolution

Series Context:

These tractors represent the late 1960s and early 1970s era of IH's tractor production, succeeding earlier models and preceding the later Case IH tractors.

Production

Production Period:

Likely produced from the late 1960s through the 1970s.

🏆 Awards & Recognition

Recognitions

Industry Standing:

International Harvester tractors of this era were known for their robust construction and reliable performance, earning them a strong reputation in agriculture.