The International Harvester 966 is a robust agricultural tractor produced from approximately 1971 to 1976, renowned for its power, versatility, and reliability within its class. This model was a significant contributor to International Harvester's strong reputation in the agricultural sector, offering dependable performance for a wide range of farm operations. Known for its diesel engine, typically delivering between 70-85 PTO horsepower, and available with various transmission options including manual and potentially automatic transaxle systems, the 966 was engineered for demanding work. Its solid construction and practical design made it a popular choice for farmers seeking a durable and effective workhorse.
This comprehensive Workshop Service Repair Manual provides essential information for the maintenance and repair of the International Harvester 966. It covers all major systems, including the engine (mechanical and electrical), fuel, emission control, suspension, clutch, manual and automatic transaxle systems, driveshaft, axle, steering, and brakes. The manual also details body and electrical systems, as well as restraint systems. With step-by-step repair procedures, detailed illustrations, diagrams, wiring schematics, and troubleshooting guides, this manual is an invaluable resource for do-it-yourselfers and experienced mechanics alike, ensuring the continued optimal performance and longevity of your tractor.
Make:
International Harvester
Product Type:
Workshop Service Repair Manual
Target Audience:
Do-it-yourselfers and experienced mechanics seeking comprehensive service and repair information.
Cost Effectiveness:
Inexpensive way to keep the tractor working properly, providing essential information for maintenance and repair.
Content Highlights:
Detailed illustrations, diagrams, wiring schematics, specifications, step-by-step instructions, troubleshooting guides.
Coverage Scope:
Complete service manual covering every detail for the International Harvester Tractor 966.
General Information:
Covered
Engine Mechanical System:
Covered
Engine Electrical System:
Covered
Emission Control System:
Covered
Suspension System:
Covered
Manual Transaxle System:
Covered
Automatic Transaxle System:
Covered
Driveshaft And Axle:
Covered
Body Interior And Exterior:
Covered
Body Electrical System:
Covered
Restraint System:
Covered
Estimated Page Count:
Extensive (Specific count not provided in product info, but implied by 'complete' and detailed coverage)
Manual Classification:
Workshop Service Repair Manual
Delivery Method:
Instant Download
Printability:
Fully Printable
Zoom Capability:
Yes (Zoom IN/OUT)
Software Requirements:
Adobe PDF Reader, WinZip
Operating System Compatibility:
All Versions of Windows & Mac
Powertrain:
Engine Mechanical, Engine Electrical, Fuel System, Clutch System, Manual Transaxle System, Automatic Transaxle System, Driveshaft and Axle
Chassis And Drivetrain:
Suspension System, Steering System, Brake System
Body And Electrical:
Body Interior and Exterior, Body Electrical System
Ancillary Systems:
Emission Control System, Restraint System
Diagnostic Procedures:
Troubleshooting and electrical service procedures, diagnosis and repair of electrical system problems
Repair Procedures:
Step-by-step repair procedures with detailed substeps, numbered instructions, and illustrations
Maintenance Procedures:
Implied through general service and repair coverage, suitable for do-it-yourselfers and experienced mechanics
Depth Of Information:
Comprehensive coverage of every detail for repair and service, combining technical specifications with actionable repair steps.
Visual Aids:
Detailed illustrations, diagrams, wiring schematics, and photos
Ease Of Use:
Numbered table of contents for fast information retrieval, bold figure numbers to match illustrations with instructions
PDF Quality:
High (implied by printable pages and zoom capability)
Physical Output:
Printable pages for workshop use
N/A:
N/A (Digital Product)
Engine Type:
Diesel (Common for this model series, specific engine variants to be detailed in manual)
Horsepower Range:
Estimated 70-85 PTO HP (typical for 966 series, manual will provide precise figures)
Torque Specifications:
Details provided in manual (specific values depend on engine variant)
Injection System:
Details provided in manual (likely rotary or inline injection pumps)
Cooling Method:
Liquid-cooled (details on coolant capacity and type in manual)
Oil Capacity And Type:
Specifics provided in manual (engine oil viscosity and capacity)
Transmission Type:
Manual Synchromesh (likely 8-speed or 16-speed with creeper)
Optional Transmission:
Possibly Hydro-Transmission or Power Shift options depending on specific configuration, though manual lists both 'Manual' and 'Automatic Transaxle System' which might refer to different models or configurations.
Gear Selection:
Detailed operational procedures for shifting and clutch operation
Transmission Fluid Type And Capacity:
Specific API classifications and capacities provided in the manual.
Overall Length:
Details vary by configuration, manual will provide specific measurements.
Operating Weight:
Typical range 7,000 - 8,500 lbs, manual will provide precise specifications.
Audio System:
Basic AM radio or provision for radio installation (typical for the era, manual covers electrical system for this).
N/A:
No electronic driver assistance features expected for this model year.
N/A:
No electronic connectivity features.
Engine Oil Change:
Typically 250 hours, but manual will provide precise intervals and oil type.
Fuel Filter Replacement:
Recommended based on hours or performance, detailed in manual.
Hydraulic Fluid:
Manual specifies IH Hytran or equivalent (e.g., UTF - Universal Tractor Fluid) with detailed capacity.
Coolant Type:
Manual specifies recommended coolant type and mixture ratio for the cooling system.
Common Wear Points:
Manual will cover common wear items such as clutch plates, brake components, hydraulic seals, and potential fuel injection system issues.
Diagnostic Approach:
Comprehensive troubleshooting section with flowcharts and symptom-based diagnosis.
Manufacturer:
International Harvester (later became part of Case IH)
Production Period:
The 966 model was part of the 66 series, produced from approximately 1971 to 1976.
Manufacturing Location:
Primarily USA (e.g., Louisville, Kentucky; Rock Island, Illinois).
Industry Standing:
The 966 was a popular and reliable tractor in its class, known for its power and versatility, contributing to International Harvester's strong reputation in the agricultural sector.
