Target User:
Tractor owners, mechanics, agricultural workshops.
Value Proposition:
Save money on repairs, empowers users to perform their own maintenance and repairs.
Manual Benefit:
Makes every repair job easy to do.
Knowledge Enhancement:
Keeps users up-to-date and knowledgeable about their tractor.
Accessibility:
Convenient garage or workshop use, protected from damage by keeping master copy on PC.
Engine Service:
Complete engine overhaul, component diagnostics, fuel system, ignition system (if applicable), cooling system, lubrication system.
Transmission Service:
Manual transmission, power shift transmission (if applicable), clutch service, PTO operation and repair.
Drivetrain Service:
Rear axle, differential, final drives, front axle (if applicable), steering system.
Hydraulic System Service:
Hydraulic pump, control valves, cylinders, reservoir, filtration, three-point hitch operation and repair.
Electrical System Service:
Wiring diagrams, starter, alternator, battery, lighting systems, instrument panel, control circuits.
Braking System Service:
Service brakes, parking brake system, hydraulic brake components.
Chassis And Body Service:
Frame, front support, fenders, operator station, drawbar.
Routine Maintenance:
Fluid checks and changes, filter replacement, lubrication points, tire pressure, battery maintenance.
Diagnostic Procedures:
Troubleshooting guides for common problems, symptom-based diagnosis, testing procedures for various components.
Repair Procedures:
Step-by-step instructions for component removal, repair, and reinstallation.
Overhaul Procedures:
Detailed instructions for complete engine and transmission overhauls.
Adjustment Procedures:
Valve adjustments, clutch adjustments, brake adjustments, hydraulic control adjustments.
Depth Of Coverage:
Comprehensive, in-depth, professional quality.
Illustration Quality:
Includes pictures and wiring diagrams.
Instruction Style:
Easy to follow step-by-step instructions.
Engine Type:
Diesel (commonly found options)
Engine Model Variants:
D236, DT282, DT312 (Commonly offered International Harvester engines for this series)
Horsepower Range:
Typically 60-100 PTO horsepower, depending on engine and configuration.
Torque Characteristics:
Designed for strong lugging power characteristic of diesel engines of the era.
Fuel System Type:
Direct Injection (DI) diesel fuel system.
Injection Pump:
Typically Roosa Master or Simms inline injection pumps.
Cooling Method:
Water-cooled
Oil Capacity Approximate:
8-10 Quarts (Varies by engine model)
Recommended Engine Oil:
API CD or CE rated diesel engine oil, SAE 15W-40 or 10W-30 depending on ambient temperature.
Transmission Type Standard:
16-speed Syncro-Range (non-powershift models)
Transmission Type Optional:
Power Shift (3-speed or 4-speed options available on some 826 models)
Pto Options:
540 RPM PTO, 1000 RPM PTO (often live PTO).
Transmission Hydraulic Fluid:
Hy-Trans Fluid (or equivalent specification tractor hydraulic fluid).
Transmission Hydraulic Capacity:
Varies, typically 20-30 Quarts for transmission and hydraulic system combined.
Wheelbase:
Approximately 92 inches (2337 mm)
Overall Length:
Approximately 140 inches (3556 mm) without front weight bracket
Overall Width:
Varies based on rear axle tread setting, typically around 70-80 inches (1778-2032 mm)
Overall Height:
Approximately 65 inches (1651 mm) to top of steering wheel
Operating Weight Approximate:
6,500 - 7,500 lbs (2948 - 3402 kg), depending on configuration.
Drawbar Pull Capacity:
Rated for significant draft loads, specific rating varies.
Engine Oil Change Interval:
Typically every 100-250 operating hours, or annually, depending on operating conditions and oil analysis.
Fuel Filter Replacement:
Recommended at every engine oil change or more frequently if fuel quality is suspect.
Air Filter Cleaning Or Replacement:
Check regularly, clean or replace as needed, especially in dusty conditions.
Coolant Specification:
Ethylene glycol based antifreeze, mixed with water (typically 50/50 ratio).
Hydraulic Oil Specification:
Hy-Trans Fluid (IH Spec. IH-201) or equivalent approved tractor hydraulic fluid.
Common Wear Points:
Clutch wear, hydraulic pump wear, potential for power shift issues if equipped, seal leaks.
Electrical System Considerations:
Wiring insulation degradation over time, starter/alternator reliability.
Manufacturer History:
International Harvester was a major American manufacturer of agricultural and construction equipment, known for robust and reliable machinery.
Series Context:
The 826 was part of the highly successful '26' series tractors from International Harvester, introduced in the late 1960s, succeeding earlier models like the 706 and 1206.
Production Years:
Approximately 1969-1971.
Manufacturing Location:
USA (Farmall Works, Rock Island, Illinois).
Market Segment:
Utility tractor, suitable for row cropping, general farm work, and heavy draft applications.
