Engine:
Full overhaul, diagnostics, repair of engine components (e.g., cylinder head, block, pistons, crankshaft, valve train).
Fuel System:
Carburetor/Injection system repair, fuel pump, fuel lines, filters, troubleshooting.
Transmission:
Repair and overhaul of manual and/or powershift transmissions, clutch, PTO systems.
Drivetrain:
Front axle, rear axle, differential, driveshafts, final drives.
Steering System:
Power steering system repair, hydraulic pump, steering linkages, components.
Brake System:
Hydraulic brake system diagnosis, repair, components (master cylinder, calipers, drums, lines).
Hydraulic System:
Hydraulic lift system, remote hydraulics, pump, valves, cylinders, troubleshooting.
Electrical System:
Wiring diagrams, starting system, charging system, lighting, ignition system, component testing.
Cooling System:
Radiator, fan, water pump, thermostat, coolant specifications, troubleshooting.
Operator Station:
Seat, controls, dashboard, cab components (if applicable).
Chassis And Frame:
Frame components, front support, mounting points.
Maintenance:
Scheduled maintenance, lubrication points, filter changes, fluid checks.
Troubleshooting:
Diagnostic guides for common and uncommon issues across all major systems.
Repair:
Step-by-step instructions for component removal, repair, and reinstallation.
Rebuilds:
Detailed procedures for complete engine, transmission, and hydraulic system rebuilds.
Diagnostics:
System-specific diagnostic tests, fault finding charts, specifications for testing components.
Wiring Diagrams:
Comprehensive electrical schematics for all vehicle circuits.
Depth:
Comprehensive factory-level detail suitable for professional mechanics and experienced DIY users.
Engine Family:
International Harvester DT-466
Engine Type:
Diesel, Naturally Aspirated or Turbocharged (depending on specific 966 configuration)
Displacement:
466 cubic inches (7.6 Liters)
Configuration:
Inline 6-cylinder
Horsepower Range:
Typically 85-105 PTO horsepower, depending on configuration and year.
Torque Specs:
Detailed torque specifications for all internal components will be within the manual.
Injection Type:
Crankcase-compression, direct injection (specific injection pump details covered).
Type:
Manual transmission (e.g., 8-speed or 16-speed constant mesh).
Type:
Optional: Power Steering or Power Shift transmission (e.g., IH 4-speed or 8-speed powershift).
Pto:
Standard 540/1000 RPM Power Take-Off (PTO), independent PTO engagement.
Differential Lock:
Standard rear differential lock with manual engagement.
Engine Oil Change:
Typically every 100-125 operating hours, or annually. Refer to manual for exact IH recommendations.
Fuel Filter Replacement:
Recommended at regular intervals, often tied to engine oil changes or as per manual guidance.
Air Filter Servicing:
Check daily and service as needed based on operating conditions; replacement intervals specified.
Engine Oil Type:
API CD or higher, SAE 30 or 15W-40 heavy-duty diesel engine oil.
Hydraulic Fluid Type:
IH Hy-Tran or equivalent UTF (Universal Tractor Transmission Fluid). Capacity varies by configuration.
Transmission Fluid Type:
Typically IH Hy-Tran or equivalent UTF for geared transmissions; specific manual transmission oil grades for non-integrated units.
Common Problems:
Potential issues with older hydraulic pumps, PTO clutch wear, starter issues, and common diesel engine wear over time.
Preventative Measures:
Adherence to lubrication schedules, regular filter changes, and prompt attention to fluid leaks are critical.