Target Audience:
DIY enthusiasts and professional mechanics seeking comprehensive repair and maintenance information for IH 706, 756, 806, and 856 tractors.
Utility And Versatility:
These tractors were versatile workhorses suitable for a wide range of agricultural tasks, from tillage to harvesting, and were popular on farms of various sizes.
Digital Vs Print:
Presents a digital PDF format as a more economical and convenient alternative to traditional, higher-cost paper service manuals.
Completeness And Detail:
Offers hundreds of pages of detailed information, including hundreds of photos and illustrations, to guide users through service and repair procedures.
Accessibility:
Compatible with all versions of Windows and Mac, accessible on desktops, laptops, smartphones, and tablets via web browser.
Cost Effectiveness:
Promoted as an inexpensive way to keep the tractor working properly and save money compared to professional mechanic labor costs.
Systems Covered:
Engine, Fuel System (Gasoline, LP-Gas, Diesel), Cooling System, Electrical System, Clutch, Torque Amplifier, Transmission, Final Drive, Differential, Brakes, Power Steering, Hydraulic System, Governor, PTO, Front System, Steering, LP-Gas System, Diesel Turbocharger
Specific Components Listed:
Belt Pulley, Brakes, Carburetor, Clutch, Engine, Cooling System, Diesel Fuel System, Diesel Turbocharger, Differential, Electrical System, Final Drive, Front System, Governor, Hydraulic System, LP-Gas System, Multiple Control Valve, Power Steering System, PTO, Torque Amplifier, Transmission.
Estimated Page Count:
Hundreds (explicitly stated as such in product information)
Type:
Factory Service Repair Manual / Workshop Manual
Coverage Style:
Complete Official Full Factory Service Repair Manual, covering all styles of the specified models.
Engine Details:
Comprehensive coverage of internal combustion engines, including disassembly, inspection, repair, and reassembly for gasoline, LP-gas, and diesel variants. Specific attention to fuel systems and cooling.
Drivetrain Coverage:
Detailed information on clutch operation, Torque Amplifier mechanisms, manual transmissions, differentials, and final drives, including troubleshooting and overhaul procedures.
Hydraulic And Electrical:
In-depth coverage of the hydraulic system for implement control and power steering, along with the electrical system, including wiring diagrams, component testing, and troubleshooting.
Repair Procedures:
Step-by-step instructions for complete disassembly and reassembly of major components and systems, troubleshooting guides, diagnostic procedures, and component replacement.
Maintenance Procedures:
Guidance on routine maintenance tasks, lubrication, adjustments, and preventative care to ensure optimal performance and longevity of the tractor.
Troubleshooting Guides:
Includes systematic approaches to diagnosing and resolving issues across all covered systems, often presented in a problem-solution format.
Diagnostic Capabilities:
Advanced diagnostic procedures, troubleshooting trees, and explanations of common faults to assist both novice and experienced mechanics in identifying and resolving issues.
Rebuild Instructions:
Detailed instructions for complete engine overhauls, transmission rebuilds, and other major component restorations, often including specifications for machining and component tolerances.
Specifications And Tolerances:
Includes critical technical specifications such as torque values for fasteners, bearing clearances, piston ring gaps, valve lash, and other machining tolerances necessary for proper rebuilds.
Digital Format:
PDF (Portable Document Format), compatible with Adobe PDF Reader.
Compatibility:
Compatible with all versions of Windows and Mac operating systems. Requires Adobe PDF Reader and Winzip (or similar decompression software).
Printable:
Yes, all pages are printable, allowing users to print specific sections or the entire manual.
Digital Binding:
N/A (Digital format, no physical binding)
Digital Paper Type:
N/A (Digital format, no physical paper)
Engine Types:
IH 'D' Series Diesel Engines (e.g., D-236, D-282, D-301, D-354, DT-360 for Turbocharged variants), IH 'C' Series or 'MV' Series Gasoline/LP-Gas Engines (e.g., C-200, C-221, MV-301, MV-345).
Horsepower Range:
Varies by specific model and engine option, typically ranging from approximately 60 HP to over 100 HP (net).
Torque Specifications:
Specific torque figures available for each engine variant within the manual, crucial for proper engine assembly and performance tuning.
Fuel Types:
Gasoline, Liquefied Petroleum (LP) Gas, Diesel fuel, including naturally aspirated and turbocharged diesel systems.
Carburetor Details:
Information for gasoline and LP-gas models includes carburetor identification, adjustment procedures, and overhaul kits.
Engine Design:
Robust, liquid-cooled, overhead valve (OHV) design for diesel and gasoline/LP engines, known for durability and serviceability.
Gearbox Type:
Typically featured a 5-speed or 10-speed (with TA) manual transmission.
Torque Amplifier:
Optional Torque Amplifier (TA) providing a low-range gear for increased pulling power, effectively doubling the number of available gears.
Transmission Details:
Comprehensive repair information for the main gearbox and the Torque Amplifier unit, including clutch packs, synchronizers, and shift mechanisms.
Gear Ratios:
Detailed gear ratios for all forward and reverse gears, as well as the Torque Amplifier ranges, will be present in the manual.
Pto Specifications:
Details on the operation and maintenance of the Power Take-Off (PTO) system, including PTO clutches and drive shafts.
Wheelbase:
Varies by model, but generally in the range of 85-95 inches (approximate).
Tire Sizes:
Typical front tire sizes around 7.50-16 and rear tire sizes like 16.9-34 or 18.4-34, with variations based on configuration. Manual will specify exact sizes.
Operating Weight:
Typically in the range of 6,000 to 9,000 lbs (approximate, depending on configuration).
Axle Weight Capacities:
The manual may contain information related to front and rear axle load capacities, crucial for safe operation and attachment of heavy implements.
Tractor Era Technology:
Basic operator controls. Technology primarily focused on mechanical functionality, hydraulic power, and PTO engagement. No electronic infotainment systems.
Tractor Era Assistance:
Power steering (often optional or standard on larger models), and the Torque Amplifier provided an operational assistance feature.
Tractor Era Connectivity:
N/A. Connectivity was limited to physical PTO shafts, hydraulic hoses, and drawbar connections.
Engine Oil Change:
Typically every 100-200 operating hours, or annually, depending on application and oil type. Manual will provide specific recommendations.
Transmission Fluid Change:
Typically at 1,000 or 1,200 operating hours. Manual will contain precise intervals and procedures.
Engine Oil Type:
Multi-viscosity oils such as SAE 30 or 10W-30/10W-40 diesel-rated engine oils were common. Manual will specify IH oils or equivalents.
Hydraulic Fluid Type:
IH Hy-Tran fluid or equivalent Type 'C' tractor hydraulic fluid was typically specified. Capacity varies by tractor configuration.
Brake Fluid Type:
Hydraulic brake systems likely use tractor hydraulic fluid. Manual will confirm specific fluid type and capacity.
Transmission Fluid Type:
Specific IH Hy-Tran or compatible fluid for transmissions and hydraulic systems. Capacities will be detailed for each model variant.
Common Wear Items:
Clutch wear, Torque Amplifier disc wear, hydraulic pump wear, and occasional electrical system issues are common on well-used units.
Diesel Engine Considerations:
Pre-combustion chamber wear in older diesel engines, potential for injector pump calibration drift, and turbocharger seal wear (if applicable).
Lp Gas System Considerations:
Potential for regulator issues, vaporizer servicing, and leak detection in LP-gas fuel systems.
Manufacturer:
International Harvester (IH) was a major American manufacturer of agricultural machinery, construction equipment, and trucks.
Legacy:
IH tractors are known for their robust construction and longevity, with many still in service today, making authentic service manuals highly valuable.
Series Development:
The 706, 756, 806, and 856 series represented a significant advancement in IH tractor design, offering increased power, comfort, and features over previous models.
Design Philosophy:
These tractors were designed for heavy-duty farm work, emphasizing power, reliability, and operator comfort for their time.
Manufacturing Locations:
Primarily manufactured at IH's farm equipment plants in the United States.