Target User:
Owners and technicians for IH International Harvester 1066 tractors seeking comprehensive repair and maintenance guidance.
Manual Advantage:
Original factory manual content, providing accurate and complete information comparable to dealer service manuals.
Content Highlights:
Hundreds of pages of diagrams, detailed information, troubleshooting, electrical service procedures, wiring diagrams, critical specifications.
Ease Of Use:
Features easy-to-follow directions, pictures, and diagrams to simplify complex repair tasks for both experienced mechanics and DIY enthusiasts.
Cost Savings:
Enables owners to perform repairs and maintenance themselves, potentially saving hundreds or thousands of dollars in labor costs.
Coverage Scope:
All Models/Engines/Trim/Transmissions Types
Estimated Page Count:
Hundreds of pages (as stated in description)
Manual Classification:
Workshop Repair Service Manual
Primary Language:
English
Digital Delivery Benefit:
Instant download eliminates shipping costs and waiting time, allowing immediate access for repairs.
Engine Systems:
Engine, Diesel Fuel System, LP-Gas System, Cooling System, Governor (Non-Diesel)
Drivetrain Systems:
Transmission Overhaul, Torque Amplifier, Direction Reverser, Differential, Final Drive, Power Takeoff (PTO)
Chassis Systems:
Brakes, Steering System, Power Steering System, Front System
Auxiliary Systems:
Hydraulic System, Belt Pulley, Carburetor
Repair Procedures:
Disassembly, Assembly, Cleaning, Reinstallation, Step-by-step repair procedures
Maintenance Procedures:
Scheduled maintenance, fluid changes, component servicing
Diagnostic Procedures:
Troubleshooting, electrical system diagnostics
Troubleshooting Methodology:
Provides a systematic approach to diagnosing problems, often listing common symptoms and their probable causes and solutions.
Depth Of Information:
Comprehensive diagnostic, repair, and maintenance information used by professional technicians.
Specifications Coverage:
Includes critical specifications such as torque values, clearances, fluid capacities, pressures, and electrical data.
Digital Format Details:
PDF, zoom in/out capability, fully printable.
Printability:
Full printable. Sections can be printed as needed.
Binding Style:
Digital Download (no physical binding)
Paper Quality:
Not applicable to digital format, but implies original print quality for reference.
Delivery Method:
Instant Download
Software Requirements:
Adobe PDF Reader & WinZip
Operating Systems:
All Versions of Windows & Mac
Engine Type:
Diesel (commonly D-358, D-414, D-436 for 1066 series, manual covers all)
Horsepower Range:
Typically in the 100-125 PTO hp range, depending on specific engine and configuration (manual provides exact specs).
Fuel Type:
Diesel, LP-Gas (as covered by specific system sections)
Engine Description:
Inline diesel engines known for robust performance and durability, manual details specific configurations and service needs.
Engine Cooling:
Water-cooled system. Manual details radiator service, thermostat replacement, and coolant maintenance.
Transmission Type:
International Harvester's Power Transfer: synchronized transmission with Torque Amplifier (TA) as a standard or widely available option.
Transmission Options:
Manual states coverage of 'All ... Transmissions Types,' implying variations might exist and are covered.
Transmission Features:
Torque Amplifier (TA) for on-the-go gear splitting, robust synchronized gear sets, durable construction.
Gear Selection:
Offers multiple forward and reverse gears (e.g., 16 forward, 8 reverse with TA), providing flexibility for various field operations. Manual details shifting mechanisms and adjustments.
Transmission Fluid Type:
Typically IH Hy-Tran or equivalent universal tractor hydraulic fluid (UTHF) for transmission, hydraulic, and wet brake systems. Manual will specify exact fluid.
Wheelbase:
Varies by configuration, but typical for tractors of this era (manual provides exact measurements).
Operating Weight:
Approximately 9,000 - 11,000 lbs (4,082 - 4,990 kg) depending on configuration (manual provides precise weight details).
Drawbar Height:
Adjustable, specific range detailed in the manual.
Safety Compliance:
Manual covers safety precautions, component safety features, and procedures to maintain safety standards.
Braking System:
Hydraulic disc brakes, known for effectiveness and reliability. Manual details maintenance and adjustment.
Operator Station:
Features like a robust operator platform, controls designed for ease of use. Manual may cover ROPS installation or inspection if applicable.
Infotainment Systems:
Not applicable to this model; designed for agricultural work, not modern infotainment.
Operator Aids:
Basic operator controls, power steering for reduced effort. Manual details operation and maintenance of these features.
Connectivity Features:
Not applicable to this model; focused on mechanical and hydraulic systems.
Wiring Diagrams:
Includes detailed wiring diagrams crucial for diagnosing and repairing electrical faults.
Engine Oil Change:
Typically every 250 hours of operation or annually, depending on operating conditions. Manual will provide specific intervals and oil type.
Hydraulic Fluid Change:
Usually every 1000 hours or annually. Manual specifies the interval and recommended fluid.
Engine Oil Specification:
Typically API CD or CE rated diesel engine oil, SAE 15W-30 or 30W. Manual will specify the exact weight and API service classification.
Coolant Specification:
Ethylene glycol based antifreeze mixed with distilled water, typically a 50/50 ratio. Manual details freeze protection and additive requirements.
Fuel Type:
Clean, high-quality diesel fuel. Manual may recommend specific cetane ratings or additives.
Common Wear Items:
Torque Amplifier (TA) clutch packs, clutch pedal bushings, hydraulic pump, PTO clutch.
Troubleshooting Areas:
Difficulty shifting, weak hydraulics, starting problems, engine performance issues.
Component Identification:
Manual provides diagrams and part numbers for identification, facilitating correct part ordering.
Manufacturer Legacy:
International Harvester (IH) was a major American manufacturer of agricultural and construction equipment, known for its durable and innovative machinery.
1066 Series Context:
The 1066 was part of IH's highly successful 06 series tractors, building on the success of earlier models and featuring improved power, comfort, and features. It was a workhorse tractor for its era.
Production Years:
The 1066 model was produced from approximately 1971 to 1976.
Manufacturing Plants:
Primarily manufactured in the United States, likely at IH facilities such as Rock Island, Illinois.
