Segment:
Heavy-duty utility tractor.
Key Competitors:
John Deere 4020, Massey Ferguson 1100 series, Ford 5000 series.
Engine Options:
Offered with both a robust 6-cylinder diesel (D-236) and a powerful V8 gasoline/LPG (MV-404) engine.
Transmission Options:
Available with a 10-speed synchronized gear transmission (often referred to as the 10-speed Power Shift) or a 20-speed transmission with Torque Amplifier.
Hydraulic System:
Features IH's Hydro-lectric hydraulic system, providing robust lift capacity and remote hydraulic control.
Target Audience:
Do-it-yourself mechanics and experienced professional technicians.
Primary Coverage:
Comprehensive service, repair, and maintenance for the International Harvester 826 Tractor.
Secondary Coverage:
Troubleshooting, diagnostics, and electrical system repairs.
Estimated Page Count:
Extensive, likely several hundred pages given the depth of coverage.
Type:
Workshop Service Repair Manual (FSM equivalent)
Delivery Method:
Instant Download
Requirements:
Adobe PDF Reader & WinZip
Compatibility:
All Versions of Windows & Mac
Engine Mechanical:
Detailed overhaul, disassembly, inspection, and reassembly of the D-236 diesel and MV-404 gasoline/LPG engines.
Engine Electrical:
Ignition system, starting system, charging system, and related components.
Emission Control:
Information pertaining to emission control systems relevant to the model years.
Fuel System:
Carburetor (gasoline/LPG), diesel injection system, fuel filters, pumps, and lines.
Suspension Steering:
Front axle, steering linkage, power steering system.
Clutch:
Clutch assembly, linkage, and operation.
Transmission:
Manual transaxle (gearbox), differential, and final drives.
Driveshaft Axle:
Driveshaft, rear axle assembly, and related components.
Brakes:
Brake system components, hydraulic lines, and adjustments.
Body Interior Exterior:
Body panels, fenders, operator station, and trim.
Body Electrical:
Lighting, instrumentation, wiring harnesses, and accessory electrical systems.
Restraint Systems:
Seat belts and operator safety features.
Maintenance:
Routine maintenance, lubrication, fluid changes, filter replacement, tune-ups.
Diagnostics:
Troubleshooting guides, symptom-based diagnostics, electrical system diagnostics.
Repair:
Step-by-step repair procedures for all major components and systems.
Rebuild:
Detailed overhaul instructions for engines, transmissions, hydraulic systems, and other major assemblies.
Wiring Schematics:
Comprehensive wiring diagrams for electrical systems.
Troubleshooting:
Specific troubleshooting sections are integrated with wiring diagrams and diagnostic procedures to quickly identify and resolve issues.
Depth:
Complete, covering everything from basic adjustments to full engine and transmission rebuilds.
PDF Quality:
High quality, allowing for clear zoom and readability of illustrations and text.
Printability:
Fully printable, allowing users to print specific sections or the entire manual.
Digital Binding:
N/A (Digital PDF)
Digital Paper Type:
N/A (Digital PDF)
Searchability:
Likely searchable PDF text content.
Navigation:
Numbered table of contents for easy navigation.
Illustrations:
Detailed illustrations, diagrams, and photos are a key feature, aiding in visual understanding of procedures.
Diesel Engine Model:
International Harvester D-236
Diesel Displacement:
3.87 liters (236 cubic inches)
Diesel Horsepower:
Approximately 77 PTO HP (may vary slightly by specific configuration)
Gasoline Engine Model:
International Harvester MV-404
Gasoline Displacement:
6.62 liters (404 cubic inches)
Gasoline Horsepower:
Approximately 74 PTO HP (may vary slightly by specific configuration)
Torque Amplifier:
Optional feature providing 20 forward speeds, effectively doubling the gear ratios for more precise power delivery.
Diesel Injection:
Bosch inline injection pump or CAV distributor injection pump (depending on build date/variant).
Gasoline Carburetion:
Single or two-barrel carburetor (e.g., Zenith, Marvel-Schebler).
Transmission Type:
10-speed synchronized gear transmission (e.g., 5 forward gears + Reverse, with High/Low range selector for 10 speeds).
Transmission Type:
20-speed transmission with Torque Amplifier (TA).
Power Takeoff Pto:
540/1000 RPM PTO, potentially with independent PTO engagement.
Operator Station:
Basic operator comfort features, including seat, steering wheel, and instrument cluster.
Power Steering:
Standard power steering on most models for easier maneuverability.
Lighting System:
Basic 12V electrical system for lights (headlights, taillights, work lights) and instrumentation.
Engine Oil Change:
Every 100-150 hours or annually (typical for the era, consult manual for exact spec).
Air Filter Service:
Inspect and clean/replace based on operating conditions, typically every 100-250 hours.
Engine Oil Type Diesel:
API CD or similar heavy-duty diesel engine oil, SAE 30 or 15W-40 depending on ambient temperature (e.g., IH Hy-Tran, John Deere Hy-Gard, or equivalent).
Engine Oil Type Gasoline:
API SE or similar gasoline engine oil, SAE 30 or 10W-30 depending on ambient temperature.
Hydraulic Transmission Fluid:
IH Hy-Tran or a compatible universal tractor transmission fluid (UTTF).
Common Wear Items:
Clutch wear, TA engagement issues, hydraulic pump wear, electrical connections degradation.
Engine Specific Concerns:
D-236 diesel: Injector pump timing, glow plug reliability. MV-404 gasoline: Valve seat wear, carburetor issues.
Manufacturer Legacy:
International Harvester was a pioneering American manufacturer of agricultural machinery, construction equipment, and vehicles.
Predecessor:
Part of the successful '86 series, succeeding models like the 706 and 806.
Manufacturing Plant:
Louisville, Kentucky, USA (Primary)
