Target Audience:
DIY owners and experienced mechanics seeking a comprehensive resource for maintaining and repairing the IH International Harvester 1066 tractor.
Value Proposition:
Offers significant cost savings by enabling users to perform repairs themselves, compared to professional service costs. Provides access to official factory information for accurate and efficient work.
Completeness:
Cited as the COMPLETE official full factory service repair manual, covering all aspects of the tractor.
Usability:
Designed for ease of use with a numbered table of contents for quick information retrieval and clear, illustrated step-by-step instructions.
Engine:
Detailed coverage including disassembly, servicing, and troubleshooting of the engine assembly.
Lubrication System:
Comprehensive information on lubrication system components, maintenance, and repair.
Cooling System:
In-depth coverage of the cooling system, including radiators, water pumps, and thermostats.
Fuel System:
Detailed procedures for the fuel system, including fuel pumps, injectors, and filters.
Transmission:
Complete service and repair procedures for the transmission system.
Clutch:
Detailed instructions for clutch inspection, service, and replacement.
Drive Chain Sprockets:
Information on the drive chain and sprocket systems, including maintenance and adjustment.
Rear Axle:
Coverage of rear axle components, differential, and related systems.
Brakes:
Detailed brake system service and repair, including adjustments and component replacement.
Front Axle:
Service information for the front axle assembly, steering linkage, and related parts.
Steering:
Comprehensive guide to steering system maintenance and repair.
Shocks:
Information related to suspension shock absorbers and their service.
Body Work:
Details concerning body panels, fenders, and associated trim for service and repair.
Intake Exhaust:
Coverage of intake manifolds, exhaust systems, and related components.
Hydraulic System:
In-depth coverage of the hydraulic system, including pumps, cylinders, and control valves.
Electrical System:
Extensive coverage of the electrical system, including starting, charging, lighting, and troubleshooting.
Routine Maintenance:
Detailed information on all routine maintenance tasks and schedules.
Advanced Troubleshooting:
Advanced diagnostic procedures and troubleshooting guides for complex issues.
Wiring Diagrams:
Includes detailed wiring diagrams for the electrical system, facilitating diagnosis and repair.
Disassembly Servicing:
Step-by-step instructions for complete disassembly and servicing of major components and the entire tractor.
General Procedures:
Covers general procedures applicable to the tractor's operation and maintenance.
Separation Procedures:
Detailed guidance on separating various major assemblies of the tractor.
Depth:
Comprehensive factory-level detail, suitable for both experienced mechanics and do-it-yourselfers.
Illustration Detail:
Hundreds of photos and illustrations, including enlarged insets for detailed part examination, accompany step-by-step instructions.
Instruction Format:
Numbered instructions, detailed substeps, notes, cautions, and warnings guide users through each procedure.
Engine Model:
The manual covers the specific engine used in the IH International Harvester 1066, which is typically the D-239 or D-268 diesel engine.
Horsepower Range:
The IH 1066 typically produced approximately 100-115 PTO horsepower, with specific figures depending on engine tune and configuration. The manual will detail these specifications.
Torque Range:
Torque figures for the D-239/D-268 engines are detailed within the manual, crucial for engine rebuilds and diagnostics.
Injection System:
The manual will cover the diesel injection system, likely including Bosch inline injection pumps and associated components.
Type:
The IH 1066 was commonly equipped with a 16-speed Power Transfer<bos> (PT=) or a 16-speed Synchro-Range transmission. The manual covers these in detail.
Features:
The manual details the operation, maintenance, and repair of the Power Transfer unit and synchronizer mechanisms.
Rebuild Procedures:
Includes detailed step-by-step procedures for complete transmission disassembly, inspection, repair, and reassembly.
Features:
As a tractor from the 1970s, the 'technology' section focuses on functional aspects: the instrument panel, gauges (tachometer, oil pressure, coolant temperature), and operational controls. No modern infotainment systems are present.
Features:
The primary 'driver assistance' features are the robust mechanical steering system and the power steering (if equipped), along with the PTO engagement and hydraulic lift controls designed for agricultural work.
Engine Oil Change:
The manual will specify recommended engine oil and filter change intervals, typically around 100-200 operating hours, depending on operating conditions.
Transmission Fluid Change:
Details on transmission fluid and hydraulic fluid change intervals, often at 600 or 1200 hours, will be found in the manual.
Engine Oil:
The manual will specify the required SAE viscosity grade and API service classification for engine oil (e.g., SAE 15W-40 API CD or CE).
Hydraulic Fluid:
Specifies the correct type and viscosity of hydraulic/transmission fluid, such as IH Hy-Tran or an equivalent meeting the specified API standards.
Coolant:
Details on the recommended coolant mixture (e.g., 50/50 ethylene glycol and water) and additive requirements for the cooling system.
Common Problems:
The manual provides troubleshooting guidance for common issues experienced with the 1066, which could include hydraulic pump wear, clutch problems, or transmission shifting issues.
Diagnostic Procedures:
Offers in-depth procedures for diagnosing and rectifying issues related to the engine, drivetrain, hydraulics, and electrical systems.
Manufacturer:
International Harvester (IH), a major American manufacturer of agricultural machinery and vehicles.
Production Era:
The IH 1066 was part of the highly successful 06 series tractors, produced from approximately 1971 to 1976, succeeding models like the 966 and preceding the 50, 70, and 80 series.
Manufacturing Plant:
Primarily manufactured at IH's Farmall Works in Rock Island, Illinois.
