Segment:
Heavy-duty utility/row-crop tractor
Target User:
Farmers, agricultural contractors, heavy equipment operators, mechanics
Competitors:
Deere & Company (e.g., 3020, 4020 series), Ford (e.g., 5000, 7000 series), Massey Ferguson (e.g., 165, 175 series)
Core Strengths:
Robust construction, powerful diesel engine, versatile hydraulic system, durability for demanding agricultural tasks.
Primary Coverage:
Service, Maintenance, Troubleshooting, Repair
Estimated Pages:
High (Detailed workshop manual, typically 500+ pages, exact number not specified but implied by 'All')
Type:
Workshop Repair Service Manual
Engine Systems:
Engine overhaul, fuel system, lubrication system, cooling system, intake and exhaust systems, ignition system (if applicable for diesel models), engine diagnostics and troubleshooting.
Transmission Systems:
Clutch, gearbox, final drives, differential, power take-off (PTO) operation and repair, hydraulic transmission components (if applicable).
Hydraulic Systems:
Hydraulic pump, control valves, cylinders, hoses, filters, fluid types, troubleshooting, and repair of the tractor's hydraulic lift and auxiliary systems.
Electrical Systems:
Wiring diagrams, battery, starting system, charging system (alternator/generator), lighting, instrumentation, troubleshooting electrical faults.
Chassis And Drivetrain:
Front axle, rear axle, steering system, braking system, wheel and tire specifications, chassis lubrication.
Operator Station:
Controls, dashboard layout, seat, ROPS (Roll-Over Protective Structure) information (if applicable).
Maintenance Procedures:
Regular servicing, fluid changes, filter replacements, greasing points, inspection checklists, tune-up procedures.
Repair Procedures:
Step-by-step instructions for component disassembly, inspection, repair, and reassembly for all major systems.
Troubleshooting Guides:
Systematic approach to diagnosing and resolving common and uncommon operational issues, including symptom-based fault finding.
Technical Specifications:
Detailed specifications for all components, including tolerances, clearances, torques, fluid capacities, and electrical values.
Depth:
Comprehensive rebuild specifications, advanced diagnostic procedures, detailed schematics, and component-level repair instructions.
PDF Quality:
High-resolution, searchable text for ease of navigation and printing.
Printability:
Printable pages suitable for personal workshop use, allowing users to print specific sections or the entire manual.
Binding:
N/A (Digital PDF download)
Paper Type:
N/A (Digital PDF download)
Engine Family:
International Harvester DT-361 (likely, common for this series)
Engine Displacement:
Approximately 361 cubic inches (5.9 Liters)
Engine Type:
Diesel, naturally aspirated or turbocharged depending on specific variant
Horsepower Rated:
Typically in the 70-85 PTO horsepower range (specific rating varies by configuration)
Torque Peak:
Refer to manual for specific figures, but known for strong low-end torque
Injection System:
Indirect Injection (IDI) or Direct Injection (DI) with injection pump (e.g., Roosa Master, Bosch) and injectors
Oil Type:
API CD or higher rated Diesel engine oil (e.g., SAE 15W-40 recommended by manual)
Coolant Type:
Ethylene Glycol based antifreeze with corrosion inhibitors (typically 50/50 mix)
Transmission Type:
Syncro-Range gearbox (e.g., 8-speed forward, 2-speed reverse)
Optional Transmission:
Possibly powershift or other specialized transmissions depending on variant, but manual focuses on standard.
Pto Options:
540 RPM and/or 1000 RPM Power Take-Off (PTO) systems
Transmission Fluid:
Manual specifies UTTO (Universal Tractor Transmission Oil) or equivalent GL-4 gear oil for transmission, differential, and hydraulics.
Wheelbase:
Varies by configuration, but typically around 90-95 inches (2286-2413 mm)
Operating Weight:
Approximately 6,000 - 7,500 lbs (2722 - 3402 kg) depending on configuration and options
Drawbar Horsepower:
Refer to manual for specific calculations, typically lower than PTO HP
Rops Availability:
Often equipped with or provisioned for Roll-Over Protective Structures (ROPS) and seatbelts, crucial for safe operation.
Braking System:
Independent rear disc brakes, often foot-pedal activated with lockout.
Operator Station Design:
Ergonomic controls, but basic by modern standards; emphasis on robust mechanical controls.
Engine Oil Change:
Typically every 250 operating hours or annually, whichever comes first (refer to manual for exact specification).
Fuel Filter Replacement:
Every 500 operating hours or as needed based on fuel quality.
Hydraulic Filter Replacement:
Every 1000 operating hours or annually, especially after heavy use.
Air Filter Cleaning Or Replacement:
Frequent inspection and cleaning (dry type) or replacement (oil bath type) based on operating environment.
Transmission Hydraulic Capacity:
Approximately 12-15 US gallons (45-57 Liters) for the combined hydraulic/transmission reservoir (refer to manual for exact capacity).
Engine Oil Capacity:
Approximately 10-12 US quarts (9.5-11.4 Liters) with filter change (refer to manual for exact capacity).
Common Wear Points:
Clutch wear, hydraulic pump performance degradation, PTO engagement issues, front axle wear, potential for injector pump timing drift.
Electrical System Reliability:
Aging wiring harnesses can lead to intermittent faults; starter and alternator reliability can vary with age.
Brand History:
International Harvester (IH) was a major American manufacturer of agricultural machinery, construction equipment, trucks, and household appliances from 1902 to 1985. Known for durable and powerful farm equipment.
Series Context:
The 2806 is part of IH's successful '66 Series' and later '68 Series' tractors, known for bridging the gap between utility and larger row-crop tractors, often replacing the earlier 706 and 806 models.
Production Years:
Likely produced in the late 1960s through the 1970s, overlapping with the 66 series models.
Manufacturing Location:
Primary manufacturing facilities in the USA (e.g., Rock Island, Illinois; Louisville, Kentucky).
