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International Harvester

International Harvester Tractor 986 Service Repair Workshop Manual

International Harvester Tractor 986 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 โ€” 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
๐Ÿท๏ธ Basic Information
Identification
Make:
International Harvester
Model:
986
Model Variant:
Tractor (2WD / 4WD)
Production Years Covered:
1978-1981
๐Ÿ‘‹ Introduction
Market Position
Target Audience:
Professional technicians and DIY owners
Purpose:
Routine maintenance, repair, and overhaul procedures
Competitive Analysis
Advantage:
Original manufacturer data, comprehensive coverage, instant access
Key Features
Content:
Step-by-step instructions, wiring diagrams, maintenance charts, troubleshooting
Format:
Digital PDF, printable, zoom in/out
๐Ÿ“‹ Manual Details
Coverage
Areas Covered:
Engine, transmission, hydraulics, electrical, PTO, chassis, brakes
Specifications
Page Count:
Hundreds of pages
Manual Type:
Workshop Service / Repair Manual
Language:
English
Format:
PDF
Delivery Method:
Instant download
๐Ÿ“– Manual Coverage
Systems Covered
Engine:
Complete overhaul, disassembly, reassembly, specifications
Cooling System:
Radiator, water pump, thermostat, cooling fan
Fuel System:
Fuel tank, lines, pump, injection pump, injectors
Electrical System:
Wiring diagrams, starting/charging, lights, gauges
Transmission:
Gearbox, clutch, shift linkage, PTO
Hydraulic System:
Pump, valves, cylinders, 3-point hitch
Steering:
Manual and power steering components
Brakes:
Disc or drum, master cylinder, lines
Chassis:
Frame, axles, wheels, tires
Body:
Hood, fenders, grille, cab (if applicable)
Procedures Included
Maintenance:
Periodic service charts, fluid changes, filter replacement
Repair:
Step-by-step instructions for components and assemblies
Overhaul:
Engine, transmission, hydraulic pump rebuilds
Troubleshooting:
Systematic diagnosis guides
Technical Depth
Level:
Professional grade, suitable for experienced mechanics
Parts Information
Part Numbers:
OEM reference numbers for common components
๐Ÿ“Š Manual Specifications
File Specifications
File Type:
PDF
Compatibility:
Windows, Mac, Linux, tablets, smartphones
Requirements:
Adobe PDF Reader, WinRAR (for extraction)
Searchability:
Fully searchable digital text
Print Quality
Resolution:
High resolution, clear diagrams and text
Binding
Type:
Digital (no physical binding)
Paper
Type:
N/A - digital file
โš™๏ธ Engine Specifications
Engine Options
Primary Engine:
International Harvester DT-436 (diesel)
Engine Options Range:
D-436, DT-436 (turbocharged)
Performance
Displacement:
436 cubic inches (7.14 L)
Power Output:
Approximately 105 PTO horsepower
Torque:
Specific torque ratings not available
Fuel System
Type:
Direct injection diesel
Injection Pump:
Rotary or inline (exact type varies)
๐Ÿ”ง Transmission
Standard Transmission
Type:
Synchromesh, 8 forward / 2 reverse
Optional Transmission
Type:
Hydrostatic drive (if equipped)
Features:
Infinite speed range, forward and reverse
Features
PTO:
Independent, 540/1000 RPM (optional)
๐Ÿ“ Dimensions
Exterior
Wheelbase:
Approximately 101.5 inches (258 cm)
Length:
Approximately 160 inches (406 cm)
Width:
N/A - varies with tire width
Weights
Curb Weight:
Approximately 12,000 lb (5,443 kg)
Ballast:
Wheel weights and front weights available
๐Ÿ›ก๏ธ Safety Features
Ratings
Crash Test Information:
N/A - not applicable for agricultural tractors
Active Features
Rollover Protection:
ROPS (Rollover Protective Structure) optional
Passive Features
Seat Belts:
Available with cab and ROPS
๐Ÿ’ก Technology Features
Infotainment
Audio System:
N/A - not applicable for this tractor
Driver Assistance
Features:
N/A - not applicable for this era
๐Ÿ”ง Maintenance
Service Intervals
Engine Oil:
Every 100 hours
Hydraulic Fluid:
Every 500 hours or annually
Transmission Fluid:
Every 1000 hours
Coolant:
Every 2 years or 2000 hours
Fluid Specifications
Engine Oil:
SAE 15W-40, API CI-4 or higher
Hydraulic Fluid:
IH Hy-Tran or equivalent
Transmission Oil:
SAE 80W-90 gear oil
Known Issues & Common Wear Items
Common Wear Items:
Clutch disc, brake pads, hydraulic seals
Known Issues:
Injection pump wear, electrical connections corrosion
๐Ÿ“š Vehicle History
Brand Heritage
Manufacturer:
International Harvester Company
Heritage:
Founded 1902, known for agricultural and construction equipment
Model Evolution
Introduced:
1978 (as part of the 86 series)
Predecessor:
International 966
Successor:
International 1086 (if applicable)
Production Location
Assembled In:
Farmall Works, Rock Island, Illinois, USA
๐Ÿ† Awards & Recognition
Recognition
Awards:
No specific awards documented; noted for reliability in farming community

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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  • Instant download PDF link on your order page and by email right after payment.
  • Secure checkout Encrypted Shopify checkout โ€” we never see your card.
  • Print-ready PDF Searchable text, print the pages you need for the workshop.
  • Phone, tablet, PC Open it in the cab, the workshop or the office.