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IH 706 756 806 856 1206 1256 1456 2706 2756 2806 2856 21206 21256 21456 Tractor Service Repair Manual

IH 706 756 806 856 1206 1256 1456 2706 2756 2806 2856 21206 21256 21456 Tractor Service Repair Manual

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Vehicle data plateRef 583177
Brand
Ih
Vehicle
Tractors
Models covered
1206, 1256, 1456, 21206, 21256, 21456, 2706, 2756, 2806, 2856, 706, 756, 806, 856, Agriculture, CASE
Format
PDF, searchable, print-ready
Delivery
Instant download after checkout
Language
English

What happens after you pay

  • Download link opens on the order page immediately
  • The same link is emailed to you — re-download any time
  • Open on phone, tablet or PC; print only the pages you need
  • Not sure it covers your model year? Ask us before you buy
🏷️ Basic Information
Identification
Make:
International Harvester (IH)
Manufacturer Brand:
International Harvester
Product Type:
Tractor Service Repair Manual
👋 Introduction
Market Position
Target Audience:
Do-it-yourself (DIY) owners and experienced mechanics.
Value Proposition:
Inexpensive way to keep tractors working properly, providing detailed instructions for efficient and correct repairs.
Key Features
Instruction Style:
Step-by-step instructions with highly detailed exploded pictures and diagrams.
Authenticity:
Same manual used in local service/repair shops.
Functionality Guarantee:
Guaranteed to be fully functional to save precious time.
📋 Manual Details
Coverage Areas
Models Covered:
IH 706, 756, 806, 856, 1206, 1256, 1456, 2706, 2756, 2806, 2856, 21206, 21256, 21456
Engine Variants Covered:
All Engine Types
Transmission Types Covered:
All Transmission Types
Trim Levels Covered:
All Trim Levels
Page Count
Estimated Page Count:
N/A (Digital format, often comprehensive)
Manual Type
Type:
Factory Service Repair Manual / Workshop Manual
Language
Language:
English
Format
File Format:
PDF
📖 Manual Coverage
Systems Covered
Engine:
Complete overhaul, troubleshooting, diagnostics, repair procedures for various IH diesel engines (e.g., D-236, D-282, DT-282, D-301, DT-301, D-350, DT-350, D-407, DT-407, D-436, DT-436, D-466, DT-466, D-518, DT-518).
Transmission:
Repair, overhaul, and troubleshooting for various transmission types including syncro-range, power shift (e.g., TA - Torque Amplifier), and PTO (Power Take-Off) systems.
Fuel System:
Detailed information on diesel fuel injection systems (e.g., CAV, Roosa Master), fuel pumps, injectors, filters, and troubleshooting.
Electrical System:
Wiring diagrams, starter motor, alternator/generator, ignition system (if applicable), lighting, instrumentation, and troubleshooting of electrical faults.
Hydraulic System:
Operation, troubleshooting, repair of the hydraulic pump, control valves, cylinders, hitch control, and auxiliary hydraulic outlets.
Cooling System:
Radiator, fan, water pump, thermostat, coolant flow, and troubleshooting of overheating issues.
Braking System:
Service and repair of the braking system, including mechanical and hydraulic components.
Steering System:
Service and repair of the steering mechanism, including power steering components.
Front Axle And Rear Axle:
Disassembly, inspection, repair, and adjustment of front and rear axles, differentials, and final drives.
Power Take Off Pto:
Service and repair of the PTO drive and engagement mechanisms.
Procedures Included
Maintenance:
Routine maintenance procedures, lubrication points, fluid checks and changes, filter replacements, and greasing schedules.
Troubleshooting:
Systematic diagnostic procedures for identifying and resolving common and complex mechanical, electrical, and hydraulic issues.
Repair:
Step-by-step instructions for disassembly, component replacement, reassembly, and adjustment of all major tractor systems.
Overhaul:
Comprehensive overhaul procedures for engines, transmissions, hydraulic systems, and axles.
Specifications And Tolerances:
Detailed technical specifications, torque values, clearances, and wear limits for all components.
Special Tools And Equipment:
Identification and usage of specialized tools required for certain repair and maintenance tasks.
Wiring Diagrams:
Detailed electrical schematics for all models covered, aiding in electrical system diagnostics.
Technical Depth
Depth:
Comprehensive, from basic maintenance to complete engine and transmission rebuilds, covering advanced diagnostics and component-level repair.
📊 Manual Specifications
File Format
Format:
PDF
Readability:
Easy-to-read text sections with top quality diagrams and instructions.
Image Quality:
High-quality diagrams and exploded pictures.
Software Recommendation:
Adobe PDF Reader for optimal display of images and graphics.
Print Quality
Printability:
Printable without restriction.
Binding Type
Binding:
N/A (Digital Download)
Paper Type
Paper Type:
N/A (Digital Download)
Completeness
Completeness:
Complete and intact, covering all details of the machine.
Accessibility
Delivery Method:
Instant download link provided upon completion of payment.
Shipping:
No shipping fee, no waiting for postal delivery.
⚙️ Engine Specifications
Primary Engine
Engine Family:
International Harvester DT/D Series Diesel Engines
Typical Engine Displacements:
Ranges from approximately 236 cubic inches (3.86L) to 466 cubic inches (7.63L), depending on the specific tractor model.
Performance
Horsepower Range:
Varies by model and engine, typically from 50 HP to over 120 HP.
Torque Characteristics:
Designed for robust low-end torque essential for heavy agricultural work.
Fuel System
Injection Type:
Direct Injection, typically with rotary or inline fuel injection pumps (e.g., CAV Simms, Roosa Master).
Fuel Type:
Diesel
Cooling System
Cooling Method:
Liquid-cooled
🔧 Transmission
Standard
Transmission Types:
Often equipped with a 7-speed or 8-speed Syncro-Range transmission, with optional Torque Amplifier (TA) providing 14 or 16 speeds.
Optional
Torque Amplifier Ta:
Provides an additional set of lower gears for increased torque, managed via a lever on the steering column.
Features
Gear Selection:
Manual gear selection with clutch operation.
Fluid Requirements
Transmission Oil Type:
Typically requires IH Hytran fluid or equivalent specification (e.g., UTF - Universal Tractor Transmission Fluid) for transmission, hydraulic, and PTO lubrication.
📐 Dimensions
Exterior
Wheelbase:
Varies by model, generally around 90-100 inches for 2WD models.
Weights
Operating Weight:
Ranges significantly by model, from approximately 6,000 lbs to over 10,000 lbs.
🛡️ Safety Features
Active Features
Braking System Type:
Mechanical rear wheel brakes, often with an independent parking brake.
Passive Features
Operator Station:
Open operator station (ROPS - Roll-Over Protective Structure may be an option or field-installed).
💡 Technology Features
Infotainment
Infotainment System:
N/A (Basic agricultural machinery, no modern infotainment systems).
Driver Assistance
Driver Assistance Features:
N/A (No electronic driver assistance features).
Connectivity
Connectivity Options:
N/A (No electronic connectivity features).
🔧 Maintenance
Service Intervals
Engine Oil Change:
Typically every 250-500 operating hours, depending on operating conditions and oil type. Consult manual for exact intervals.
Transmission Oil Change:
Generally every 1000-1200 operating hours, or as specified in the manual.
Air Filter Service:
Regular inspection and replacement based on operating environment (e.g., dusty conditions require more frequent checks).
Fluid Specifications
Engine Oil Recommendation:
API CD or CE rated diesel engine oil, SAE 15W-40 or 10W-30 depending on ambient temperature. Consult manual for specific IH specifications.
Hydraulic Oil Specification:
IH HyTran Ultra or equivalent UTTO (Universal Tractor Transmission Oil) meeting IH B-6 specifications.
Coolant Type:
Ethylene glycol based antifreeze mixture, typically 50/50 with water, meeting specific IH coolant standards.
Known Issues
Torque Amplifier Ta Wear:
Wear in the Torque Amplifier clutch packs and planetary gears can lead to slipping or failure to engage/disengage.
Hydraulic Pump Wear:
Older hydraulic pumps can experience reduced flow or pressure due to internal wear, affecting lift capacity and steering.
Diesel Injection System:
Fuel injectors and pumps may require periodic servicing or replacement due to wear or contamination.
Engine Seals And Gaskets:
Leaking seals (crankshaft, oil pan) and gaskets are common on older, well-used engines.
📚 Vehicle History
Brand Heritage
Manufacturer History:
International Harvester (IH) was a prominent American manufacturer of agricultural and construction machinery, as well as trucks and other vehicles. The company has a long and storied history dating back to the early 20th century.
Model Evolution
Tractor Series Context:
The 706, 756, 806, 856, 1206, 1256, 1456, and their larger counterparts (2706-21456 series) represent a significant era of IH tractor development, known for their versatility, power, and robust construction, often featuring the innovative Torque Amplifier (TA) transmission.
Production
Production Period:
These models were primarily produced from the mid-1960s through the early 1970s.
🏆 Awards & Recognition
Recognitions
Industry Recognition:
IH tractors of this era were highly regarded for their durability, power, and reliability in agricultural applications, earning them a strong reputation in the farming community.

Delivery & file format

This is a digital PDF download, not a printed book. After payment the download link appears on your order confirmation page and is emailed to the address you entered. Files open in any PDF reader on phone, tablet or computer and can be printed.

Check the model year and engine before you buy

Manufacturers change procedures, wiring and part numbers between model years and engine options. If your VIN plate shows a year or engine code that is not listed on the data plate above, contact us with the model, year and VIN and we will confirm coverage before you order.

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