Target Audience:
Tractor owners, mechanics, service shops seeking professional repair and maintenance resources.
Advantage Over Competitors:
Comprehensive coverage, professional quality, same as used by local shops, instant download convenience.
Diagrams Illustrations:
Hundreds of pages of diagrams and detailed information, including pictures, drawings, and photos.
Ease Of Use:
Easy to follow directions, numbered instructions, bold figure numbers, numbered table of contents.
Cost Savings:
Enables DIY repairs, saving significant money on labor costs.
Completeness:
Complete and intact, without missing or corrupt parts/pages; same manual used by professionals.
Engine Service:
Complete engine overhaul, diagnostics, and repair procedures.
Fuel System:
Diesel Fuel System and LP-Gas System coverage.
Cooling System:
Detailed information on the cooling system.
Transmission Overhaul:
Comprehensive transmission overhaul procedures.
Torque Amplifier:
Specific coverage for the Torque Amplifier system.
Hydraulic System:
In-depth information on the hydraulic system.
Pto System:
Power Takeoff (PTO) system service and repair.
Brake System:
Complete coverage of the brake system.
Steering System:
Service and repair for the steering system.
Power Steering:
Detailed information on the Power Steering System.
Front System:
Coverage of the tractor's front systems.
Final Drive:
Service and repair for the final drive components.
Differential System:
Coverage for the differential and its servicing.
Direction Reverser:
Information on the Direction Reverser system.
Belt Pulley:
Service details for the belt pulley system.
Carburetor:
Carburetor service and adjustment (likely for gasoline variants, though not explicitly stated).
Governor:
Governor system coverage (specified as Non-Diesel).
Clutch:
Clutch service and repair information.
Electrical System:
Troubleshooting and repair of the electrical system, including wiring diagrams.
Maintenance:
Routine maintenance procedures, service intervals, and fluid specifications.
Troubleshooting:
Comprehensive diagnostic and troubleshooting guidance for all systems.
Repair Procedures:
Step-by-step repair procedures for all covered components and systems.
Disassembly Assembly:
Detailed procedures for disassembly, cleaning, and reassembly of parts.
Wiring Diagrams:
Inclusion of detailed wiring diagrams for electrical system diagnostics.
Technical Specifications:
Critical specifications for various components and systems.
Depth:
Professional level, suitable for local service/repair shops, covering detailed diagnostics and complete rebuilds.
Printability:
Full Printable
Zoom Functionality:
YES (Zoom IN/OUT)
Binding Type:
Digital Download (no physical binding)
Paper Type:
Not Applicable (digital format)
Software Requirements:
Adobe PDF Reader & WinZip
Operating System Compatibility:
All Versions of Windows & Mac
Engine Type:
IH DT-407 (diesel, common for 966), DT-360 (diesel, less common but possible), or gasoline variants (less common for 966, but manual covers carburetor/LP-Gas)
Horsepower:
Varies by specific engine option, typically around 80-90 PTO horsepower for diesel variants.
Torque:
Significant torque output for heavy draft work, specific figures vary by engine.
Fuel Type:
Diesel, LP-Gas, Gasoline (depending on specific tractor configuration).
Fuel Delivery:
Injection pump for diesel, carburetor for gasoline.
Cooling Method:
Liquid-cooled
Oil Type:
Refer to manual for specific viscosity and API service classification (e.g., API CD or CE for diesel).
Oil Capacity:
Refer to manual for specific fill capacity.
Transmission Type:
Typically a 16-speed synchronized transmission with a Torque Amplifier (TA) clutch.
Optional Transmissions:
Power Shift (Powershift) transmission was an option on some later models or variants.
Torque Amplifier:
Provides two speed ranges in each gear for a total of 16 forward speeds and 8 reverse speeds.
Transmission Fluid Type:
Refer to manual for specific fluid requirements (likely Hy-Trans or equivalent).
Transmission Fluid Capacity:
Refer to manual for specific fill capacity.
Engine Oil Change:
Refer to manual for specific intervals (e.g., 100-250 hours depending on operating conditions).
Transmission Filter Change:
Refer to manual for specific intervals.
Hydraulic Fluid:
Refer to manual for specific specifications (e.g., IH Hy-Trans or equivalent).
Torque Amplifier Failures:
Can be prone to wear and failure if not operated correctly or maintained diligently.
Hydraulic System Leaks:
Common in older tractors due to seal degradation and component wear.
Electrical System Corrosion:
Wiring harnesses and connections can corrode over time, leading to intermittent issues.
Manufacturer:
International Harvester (IH), a major American manufacturer of agricultural and construction equipment.
Series Placement:
Part of the 66 Series, which succeeded the 06 and 666 series, known for increased power and improved features.
Production Period:
Produced from approximately 1969 to 1971.
Manufacturing Plant:
Typically manufactured in the United States.
