International Harvester 786 Tractor WSM Service Manual

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🏷️ Basic Information Identification Make: International Harvester Model: 786 Tractor Codes Product Name: International Harvester 786 Tractor WSM Service Manual PDF Download 👋 Introduction Market Position Target Audience: Owners, operators,...

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Type: Tractor

Vendor:

Sku: 27599

Tags: 786 Agriculture International Harvester Tractor Tractors

Product variants

Description

🏷️ Basic Information

Identification

Make:

International Harvester

Model:

786 Tractor

Codes

Product Name:

International Harvester 786 Tractor WSM Service Manual PDF Download

👋 Introduction

Market Position

Target Audience:

Owners, operators, and maintenance technicians of the International Harvester 786 Tractor seeking to perform their own repairs and maintenance.

Value Proposition:

Enables users to save significant costs by performing repairs and maintenance themselves, offering comprehensive, easy-to-follow guidance.

Competitive Analysis

Manual Advantage:

Professional-quality, in-depth service repair manual providing detailed instructions, pictures, and wiring diagrams.

Key Features

Instructional Method:

Easy-to-follow, step-by-step instructions for all repair jobs.

Visual Aids:

Includes pictures and wiring diagrams to enhance understanding and facilitate repair.

Completeness:

Covers all services, repairs, and routine maintenance, providing a complete information package.

📋 Manual Details

Coverage Areas

Manual Type:

Workshop Service Manual (WSM)

Language:

English

Format:

PDF Download

Delivery:

Instant Download

Requirements:

Adobe PDF Reader

Compatibility:

All Versions of Windows & Mac

📖 Manual Coverage

Systems Covered

Engine Service:

Complete engine overhaul, disassembly, assembly, troubleshooting, and repair for all specified engine variants.

Fuel System:

Fuel injection pump (IP) and injector service, fuel filter replacement, fuel tank and lines, troubleshooting for fuel delivery issues.

Cooling System:

Radiator service, water pump, thermostat, fan and drive belt inspection and replacement, coolant specifications and flushing procedures.

Lubrication System:

Oil pump, oil filter replacement, lubrication points, oil capacity and specifications, troubleshooting for oil pressure issues.

Electrical System:

Starter motor, alternator, battery service, wiring diagrams, lighting systems, ignition system troubleshooting (if applicable), instrument panel.

Transmission:

Gearbox overhaul, clutch service, shifting mechanisms, transmission fluid specifications and change intervals, troubleshooting for transmission problems.

Hydraulic System:

Hydraulic pump, control valves, cylinders (lift, steering), hydraulic fluid specifications, troubleshooting for hydraulic lift and steering issues.

Power Take Off Pto:

PTO engagement, PTO clutch, PTO shaft service, troubleshooting PTO operation.

Braking System:

Brake pedal, brake calipers/drums, brake lines, parking brake system, brake fluid specifications and bleeding procedures.

Steering System:

Steering wheel, steering column, steering linkages, power steering system (if equipped), troubleshooting steering issues.

Front Axle:

Front axle assembly, kingpins, steering knuckles, wheel bearings, front wheel drive (if applicable).

Rear Axle:

Rear axle housing, differential, final drives, wheel hubs.

Frame And Chassis:

Tractor frame integrity, hitch assembly (three-point hitch), drawbar, ballast adjustments.

Body And Cab:

Fenders, hood, operator station (cab/open station), seat, controls layout, access panels.

Operator Controls:

Leverage and pedal functions, dashboard indicators, switch operations.

Procedures Included

Routine Maintenance:

Oil changes, filter replacements, lubrication points, tire pressure checks, battery maintenance, pre-operational checks.

Troubleshooting Guides:

Diagnostic procedures for common and uncommon problems across all major systems, symptom-based troubleshooting charts.

Disassembly And Assembly:

Detailed step-by-step instructions for removing, inspecting, repairing, and reassembling all major tractor components and sub-assemblies.

Specifications And Tolerances:

Precise measurements, torque values, clearances, and wear limits for all critical components during repair and overhaul.

Wiring Diagrams:

Comprehensive, high-quality electrical schematics for all tractor systems, aiding in diagnosis and repair of electrical faults.

Special Tools And Jigs:

Identification and usage instructions for any specialized tools required for specific repair or maintenance procedures.

Technical Depth

Level Of Detail:

In-depth, professional quality coverage suitable for experienced mechanics and serious DIY enthusiasts.

Diagnostic Capabilities:

Advanced diagnostic strategies and troubleshooting trees for identifying root causes of operational issues.

Rebuild Procedures:

Complete instructions for engine rebuilds, transmission overhauls, hydraulic system repairs, and component restoration.

📊 Manual Specifications

File Format

Document Format:

Printability:

Full printable pages, allowing users to print specific sections or the entire manual.

Searchability:

Likely text-searchable PDF for quick information retrieval.

Digital Access:

Instant download for immediate access after purchase.

Print Quality

Image Resolution:

Professional quality images and diagrams.

Binding Type

Binding Format:

N/A (Digital Download)

Paper Type

Paper Quality:

N/A (Digital Download - user's discretion for printing)

⚙️ Engine Specifications

Primary Engine

Engine Model Typical:

IH DT-360 Diesel (3.6L)

Engine Type:

Inline 4-cylinder, turbocharged diesel

Performance

Gross Horsepower:

Approximately 86 hp (63 kW)

Net Horsepower:

Approximately 78 hp (58 kW)

Peak Torque:

Around 210-220 lb-ft (285-298 Nm)

Fuel System

Fuel Injection System:

Direct injection with rotary injection pump (e.g., Bosch or CAV)

Fuel Type:

Diesel Fuel

🔧 Transmission

Standard

Transmission Type Standard:

16-speed PowerShift (Powershift)

Optional

Transmission Type Optional:

Potentially an 8-speed synchromesh with a hi-lo range splitter (e.g., 8F/4R or similar)

Features

Powershift Description:

Offers on-the-go shifting through 16 forward and 8 reverse gears via lever controls, enhancing operational flexibility.

Clutch Type:

Dual-stage clutch for Powershift engagement and PTO engagement.

Transmission Fluid Type:

IH Hy-Tran fluid (or equivalent UTF - Universal Tractor Transmission Fluid).

Transmission Fluid Capacity:

Approximately 24-27 quarts (22.7-25.5 liters), depending on configuration.

📐 Dimensions

Exterior

Wheelbase:

Approximately 92.5 inches (2350 mm)

Overall Length:

Approximately 155 inches (3937 mm) with standard hitch

Overall Width:

Approximately 72 inches (1829 mm) at rear tread

Height To Cab:

Approximately 98-102 inches (2489-2591 mm) depending on tire size and cab option.

Weights

Operating Weight:

Around 8,000 - 8,500 lbs (3629 - 3856 kg) without ballast.

Drawbar Horsepower:

Approximately 67 hp (50 kW)

🛡️ Safety Features

Ratings

Safety Standard Compliance:

Designed to meet agricultural tractor safety standards of its era.

Active Features

Braking System Type:

Wet disc brakes, hydraulically activated, for reliable stopping power.

Parking Brake:

Independent parking brake mechanism.

Passive Features

Rollover Protective Structure Rops:

Optional ROPS (Roll-Over Protective Structure) and seatbelts were available for enhanced operator safety.

💡 Technology Features

Infotainment

Instrumentation:

Basic analog gauges for engine temperature, oil pressure, fuel level, and tachometer. Warning lights for charging, oil pressure, and air cleaner restriction.

Driver Assistance

Operator Ergonomics:

Designed for operator comfort and ease of use for its era, with intuitive lever placement and controls.

Connectivity

Tractor Integration:

Focus on mechanical and hydraulic integration with implements via PTO, three-point hitch, and hydraulic remotes.

🔧 Maintenance

Service Intervals

Engine Oil And Filter Change:

Typically every 250 hours of operation, or annually, whichever comes first. Refer to manual for specific IH recommendations.

Transmission And Hydraulic Fluid Change:

Typically every 1000-1200 hours of operation. Filter replacement should be more frequent.

Fuel Filter Replacement:

As needed or every 250-500 hours, or when experiencing fuel delivery issues.

Air Cleaner Service:

Check and clean air cleaner elements regularly, especially in dusty conditions. Replace as necessary.

Fluid Specifications

Engine Oil Specification:

API Service CD or CE rated diesel engine oil, SAE 15W-40 or 10W-30 depending on ambient temperature. Check manual for exact IH specification.

Hydraulic Fluid Specification:

International Harvester Hy-Tran (or equivalent UTF/Tractor Hydraulic Fluid meeting IH specifications for the period).

Known Issues

Transmission Problems:

Potential wear in Powershift clutches, hydraulic pump wear, and leakage in hydraulic lines and cylinders can occur with age and usage.

Engine Wear:

As with any older diesel, wear in the engine (rings, bearings, seals) can lead to oil consumption, loss of power, or smoking.

Electrical Issues:

Corrosion in wiring harnesses, faulty switches, and alternator/starter issues are common due to age.

Cooling System Leaks:

Radiator leaks, hose deterioration, and water pump seal failures are common maintenance items.

📚 Vehicle History

Brand Heritage

Manufacturer Legacy:

International Harvester (IH) was a major American manufacturer of agricultural and construction equipment, known for its robust and reliable tractors.

Model Evolution

Series Placement:

The 786 was part of IH's successful 86 series, a line of tractors that succeeded the 06 and 56 series, offering improved features and power.

Production Era:

Produced primarily from the late 1970s to the early 1980s (approx. 1976-1981).

Production

Manufacturing Location:

Likely manufactured at International Harvester's tractor plants in the United States.

🏆 Awards & Recognition

Recognitions

Historical Reputation:

The 86 series tractors, including the 786, were generally well-regarded for their power, durability, and the flexibility offered by the Powershift transmission, making them popular workhorses.