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International Harvester

International Harvester Tractor 986 WSM Service Repair Workshop Manual

International Harvester Tractor 986 WSM Service Repair Workshop Manual

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Machine data plate
Brand
International Harvester
Equipment
Tractors
Models covered
986
Format
PDF, searchable, print-ready
Delivery
Instant download after checkout
Language
English

What happens after you pay

  • Download link opens on the order page immediately
  • The same link is emailed to you — re-download any time
  • Open on phone, tablet or PC; print only the pages you need
  • Not sure it covers your serial range? Ask us before you buy
🏷️ Basic Information
Identification
Make:
International Harvester
Model:
986
Model Variant:
Agricultural tractor, 86 Series
Production Years Covered:
1976-1981
👋 Introduction
Market Position
Target Audience:
Farmers, agricultural businesses, and tractor enthusiasts seeking a reliable heavy-duty workhorse
Era Context:
Built during a period known for advancements in tractor power and operator comfort
Competitive Analysis
Advantage:
Robust and reliable construction, powerful engine output, efficient PowerShift transmission, and extensive dealer support from IH
Key Features
Engine:
466 cubic inch (7.6L) inline 6-cylinder diesel, often turbocharged
Horsepower:
Approximately 110-125 PTO horsepower
Transmission:
16-speed PowerShift with dual-clutch system
📋 Manual Details
Coverage
Systems Covered:
Engine, fuel, cooling, lubrication, ignition, transmission, PTO, hydraulics, steering, brakes, electrical, chassis, axles, operator station
Procedures Included:
Routine maintenance, diagnostics, troubleshooting, repair and rebuild procedures
Specifications
Page Count:
N/A - not specified
Manual Type:
Workshop Service Manual (WSM)
Language:
English (assumed, not specified)
Format
File Format:
PDF
Delivery Method:
Instant download
Physical Binding:
Digital (PDF, no physical binding)
📖 Manual Coverage
Systems
Engine:
In-depth diagnostics, repair, and rebuild procedures for the 466 CID diesel engine
Fuel System:
Fuel injection, pumps, injectors, and related components
Cooling System:
Radiator, water pump, thermostat, coolant flow, and overheating troubleshooting
Lubrication System:
Oil pump, oil filter, lubrication points, oil pressure checks
Ignition System:
Glow plugs, starting aids, and related electrical components for diesel ignition
Transmission:
PowerShift transmission, gears, clutch packs, shift control, and adjustments
Power Take-Off (PTO):
PTO operation, clutch adjustment, drive shaft, and troubleshooting
Hydraulic System:
Hydraulic pump, valves, lift system, and hoses
Steering:
Power steering gear, pump, cylinder, and linkage
Brakes:
Brake adjustment, hydraulic lines, master cylinder, and wheel cylinders
Electrical System:
Wiring diagrams, battery, starter, alternator, lights, and switches
Chassis:
Frame, mounts, and structural components
Axles:
Front and rear axles, differential, final drives, and wheel hubs
Operator Station:
Seat, controls, instrumentation, and cab features (if equipped)
Procedure Depth
Instructions:
Step-by-step procedures with clear directions for disassembly, inspection, and assembly
Troubleshooting:
Diagnostic charts and guides to identify and resolve common faults
Diagrams and Illustrations:
Detailed technical drawings and schematics supporting instructions
Parts Information:
Reference to part numbers and identification for ordering components
Technical Specifications:
Torque specs, clearances, capacities, and adjustment data
📊 Manual Specifications
File Specifications
File Format:
PDF (Portable Document Format)
Compatibility:
Compatible with Windows, macOS, Linux, iOS, Android, and any PDF reader
Requirements:
PDF reader software such as Adobe Acrobat Reader or alternative
Searchability:
Text-searchable for quick access to specific terms and topics
Print Quality:
High resolution for clear reproduction of diagrams and schematics
Print Details (Physical)
Binding Type:
N/A - digital product, no physical binding
Paper Type:
N/A - digital file, no paper
⚙️ Engine Specifications
Primary Engine
Engine Type:
466 cubic inch (7.6L) inline 6-cylinder diesel
Aspiration:
Often turbocharged (specific build may vary)
Horsepower:
Approximately 110-125 PTO horsepower
Fuel System:
Direct injection (assumed based on era, specific details not provided)
Performance
Torque:
N/A - not specified for this engine
Rated RPM:
N/A - not specified
🔧 Transmission
Standard
Type:
Manual transmission with PowerShift and dual-clutch system
Speeds:
16 forward speeds
Features
Shift Mechanism:
Dual-clutch system for smooth and efficient gear changes
Usage:
Designed for versatile operation across various field tasks
📐 Dimensions
Exterior Dimensions
Wheelbase:
N/A - not specified for this model
Length (Overall):
N/A - not specified for this model
Weights
Curb Weight:
N/A - not specified for this model
🛡️ Safety Features
Ratings
Crash Test Information:
N/A - agricultural tractor, not crash tested
Active Safety
Feature:
Rollover Protective Structure (ROPS) may be available as an option or aftermarket addition
Lighting:
Working lights for visibility in low light conditions
Passive Safety
Operator Station:
Enclosed cab option provides protection from elements and can include seat belts
💡 Technology Features
Infotainment
Audio System:
N/A - not applicable for agricultural tractor
Driver Assistance
Assistance Features:
N/A - no modern driver assistance systems available on this model
🔧 Maintenance
Service Intervals
Engine Oil:
N/A - specific intervals not specified
Oil Filter:
N/A - specific intervals not specified
Transmission Fluid:
N/A - specific intervals not specified
Hydraulic Fluid:
N/A - specific intervals not specified
Fluid Specifications
Engine Oil:
Refer to manual for appropriate viscosity and API classification
Coolant:
Ethylene glycol based coolant, refer to manual
Transmission Oil:
Refer to manual for correct type and viscosity
Hydraulic Oil:
Refer to manual for correct type
Common Wear Items
Filters:
Air, fuel, and oil filters should be replaced per maintenance schedule
Belts:
Fan belts and alternator belts may need adjustment or replacement
Hoses:
Coolant and hydraulic hoses should be inspected for cracks or leaks
Seals and Gaskets:
Engine and transmission seals may wear over time
Brake Components:
Brake linings and hydraulic components may need service
📚 Vehicle History
Brand Heritage
Manufacturer:
International Harvester (IH)
Manufacturer Reputation:
Known for producing robust agricultural equipment
Model Evolution
Model Series:
Part of the IH '86 Series, which succeeded the '66 Series and introduced design improvements
Predecessor:
International Harvester 966 (if known, based on common model progression)
Successor:
International Harvester 986 was followed by later models after IH ceased tractor production, but specific model not specified
Production Location
Plant:
N/A - not specified
🏆 Awards & Recognition
Recognitions
Industry Reputation:
Respected as a heavy-duty, reliable workhorse within the agricultural community
Specific Awards:
N/A - no official awards known for this model

Delivery & file format

This is a digital PDF download, not a printed book. After payment the download link appears on your order confirmation page and is emailed to the address you entered. Files open in any PDF reader on phone, tablet or computer and can be printed.

Check the serial range before you buy

Manufacturers change procedures and part numbers by serial-number break. If your data plate shows a serial prefix that is not listed above, contact us with the model and serial number and we will confirm coverage before you order.

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