Target Audience:
Farm owners, agricultural mechanics, fleet maintenance operators, IH collectors.
Manual Value:
Provides authorized service information, crucial for maintaining the value and operational integrity of the IH 21206 tractor.
Essential Resource:
Indispensable for anyone performing repairs or maintenance on the IH 21206, ensuring accuracy and efficiency.
Primary Coverage:
Complete service, repair, and maintenance
Secondary Coverage:
Troubleshooting, diagnostics, overhaul procedures
Estimated Page Count:
Approximately 500-800 pages (typical for comprehensive tractor manuals)
Type:
Service Repair Workshop Manual
Format:
Digital (likely PDF, as common for reproduction)
Engine:
Detailed engine overhaul, rebuilding, diagnostics, lubrication system, cooling system, fuel system, ignition/starting system, exhaust system.
Transmission:
Service and repair of main transmission, differential, powershift (if applicable), PTO (Power Take-Off) unit, hydraulics.
Drivetrain:
Front and rear axles, drive shafts, wheel bearings, planetary gears.
Hydraulics:
Hydraulic pump, control valves, cylinders, hoses, filters, operation of hydraulic systems (e.g., 3-point hitch, external remotes).
Electrical:
Wiring diagrams, battery system, charging system (alternator/generator), starting system (starter motor), lighting, instrumentation, safety switches.
Braking System:
Hydraulic brake system, parking brake, adjustments and repairs.
Steering System:
Mechanical and power steering systems, components, and repair.
Chassis And Body:
Frame, fenders, operator's station, cab (if equipped), hitch assembly, mounting points.
Maintenance:
Routine checks, lubrication points, fluid changes, filter replacements, scheduled servicing.
Troubleshooting:
Systematic diagnostic procedures for common and uncommon faults, symptom-based troubleshooting charts.
Repair And Overhaul:
Step-by-step instructions for component disassembly, cleaning, inspection, repair, reassembly, and adjustment.
Diagnostics:
Diagnostic codes (if applicable), performance testing, component testing.
Specifications:
Torque specifications, clearances, settings, fluid capacities, pressure readings.
Depth:
Comprehensive, intended for professional mechanics and experienced technicians.
Detail Level:
Includes detailed exploded views, diagrams, schematics, and precise measurements for all repair procedures.
Engine Family:
Likely a D-series or DT-series diesel engine (specific model varies based on year/configuration).
Horsepower Range:
Estimated 60-80 HP (typical for tractors of this class, but specific to engine variant).
Torque Range:
Specific torque figures vary by engine model and tune.
Injection System:
Likely direct injection, potentially with mechanical or early electronic control (depending on year).
Cooling Type:
Water-cooled with radiator and fan.
Oil Capacity:
Refer to manual for specific engine, typically 6-10 quarts.
Oil Type Specification:
CD or CE grade diesel engine oil, viscosity dependent on ambient temperature (e.g., SAE 15W-40).
Transmission Type:
Likely a synchronized gear transmission (e.g., 8-speed, 12-speed, or 16-speed) with Hi-Lo range options.
Optional Transmission:
Possible creeper gear or powershift options for certain configurations.
Pto Options:
Standard PTO (e.g., 540/1000 RPM) and potentially ground-driven PTO.
Transmission Fluid:
Tractor Hydraulic Fluid (THF) or equivalent Universal Tractor Transmission Oil (UTTO) meeting IH specifications (e.g., Hy-Tran Plus).
Operator Interface:
Basic analog gauges for RPM, temperature, oil pressure, fuel level. Lever and pedal controls.
Pto Engagement:
Manual lever engagement for PTO.
Diagnostic Ports:
Primarily mechanical diagnostics, with potential for basic electrical diagnostic connections.
Engine Oil Change:
Typically every 100-250 operating hours, or annually, refer to manual for exact interval.
Fuel Filter Replacement:
Every 250-500 operating hours, or as needed.
Hydraulic Fluid Change:
Typically every 500-1000 operating hours.
Coolant Type:
Ethylene glycol based coolant, 50/50 mix with distilled water.
Hydraulic Fluid Specification:
IH Hy-Tran Plus or equivalent UTTO (refer to manual for exact spec).
Common Wear Items:
Clutch wear, hydraulic pump/valve leaks, PTO bearing wear, fuel injection pump calibration.
Electrical Problems:
Corrosion on electrical connections, starter/alternator issues.
Engine Performance:
Difficulty starting in cold weather, loss of power due to fuel system issues or turbocharger problems (if equipped).
Manufacturer:
International Harvester (IH), a historic American manufacturer of agricultural machinery.
Tractor Lineage:
The 21206 likely belongs to a series of utility or row-crop tractors produced by IH during the late 20th century, following the legacy of iconic models.
Production Era:
Likely produced in the 1970s or 1980s, a period of significant development in tractor technology for IH.
