Target Audience:
Owners, operators, mechanics, and repair shops specializing in International Harvester tractors.
Manual Advantage:
Provides the definitive factory-level repair and maintenance information essential for accurate and efficient servicing, unlike generic repair guides.
Information Access:
Well-organized with a table of contents for easy navigation, enabling users to quickly locate specific repair procedures or technical data.
Utility:
Empowers users to perform repairs and maintenance themselves, saving on labor costs and extending the operational life of the tractor.
Primary Coverage:
Service, Repair, Maintenance, Troubleshooting, Diagnostics
Estimated Page Count:
Varies by specific edition, typically 200-500 pages for a comprehensive service manual.
Type:
Factory Service Repair Manual / Workshop Manual
Engine Service:
Complete overhaul, troubleshooting, fuel system, cooling system, lubrication system, ignition (if applicable), starting system, exhaust system.
Transmission Service:
Disassembly, inspection, repair, adjustments, fluid specifications for all gearboxes (e.g., constant mesh, synchromesh).
Hydraulic System Service:
Hydraulic pump, control valves, cylinders, reservoir, fluid types, troubleshooting of lift systems and auxiliary hydraulics.
Electrical System Service:
Wiring diagrams, starter motor, alternator/generator, battery, lighting, instrumentation, troubleshooting electrical faults.
Powertrain Service:
Clutch, differential, final drives, PTO (Power Take-Off) system service and repair.
Steering System Service:
Front axle, steering linkages, power steering (if equipped) maintenance and repair.
Braking System Service:
Brake types (e.g., drum, disc), hydraulic system, adjustments, repair procedures.
Chassis And Frame Service:
Frame components, hitch systems, drawbars, tire and wheel specifications.
Maintenance Procedures:
Scheduled maintenance, lubrication points, filter replacement, fluid changes, safety checks.
Troubleshooting Guides:
Systematic diagnostic procedures for common and uncommon faults, symptom-based troubleshooting.
Repair Procedures:
Step-by-step instructions for component removal, disassembly, cleaning, inspection, reassembly, and installation.
Adjustment Procedures:
Clutch, brake, PTO engagement, hydraulic controls, engine timing.
Torque Specifications:
Critical torque values for all fasteners to ensure proper assembly and prevent damage.
Depth Of Information:
Comprehensive, covering routine maintenance to complete engine and transmission rebuilds. Suitable for professional technicians and experienced mechanics.
Engine Model:
Typically a 3-cylinder or 4-cylinder International Harvester diesel engine (e.g., BD-154, BD-268 depending on configuration).
Displacement:
Ranges from approximately 154 cubic inches (2.5 L) to 268 cubic inches (4.4 L) depending on specific engine variant.
Horsepower Range:
Typically in the 40-60 HP range, actual output varies by engine and tractor configuration.
Injection System:
Direct injection, typically with rotary or inline injection pumps (e.g., CAV, Simms).
Cooling Type:
Water-cooled
Oil Type Specification:
Refer to manual for specific SAE viscosity grade (e.g., SAE 30, SAE 10W-30) and API service classification (e.g., CD or equivalent) for diesel engines. Capacity typically 5-7 quarts.
Transmission Type:
Manual transmission, typically with multiple forward and reverse gears (e.g., 8-speed or 16-speed with creeper).
Optional Gearbox:
Some models may offer a multi-speed PTO or specialized gear reductions.
Pto System:
Live PTO or transmission-driven PTO, with standard 540 RPM output.
Transmission Fluid Specification:
Consult manual for specific fluid type (e.g., UTF - Universal Tractor Transmission fluid, or specific gear oil) and capacity. Often shared with hydraulic system.
Wheelbase:
Varies, typically around 75-85 inches (1900-2150 mm).
Track Width Front:
Adjustable, typical range 50-70 inches (1270-1780 mm).
Track Width Rear:
Adjustable, typical range 50-80 inches (1270-2030 mm).
Operating Weight:
Typically around 3,500 - 5,000 lbs (1590 - 2270 kg), depending on configuration.
Drawbar Horsepower:
Advertised drawbar HP is a key metric for tractors of this era, often around 30-45 HP.
Engine Oil Change:
Typically every 100-250 operating hours, or annually, as specified in the manual.
Fuel Filter Replacement:
Recommended at regular intervals or as needed based on fuel quality, often every 250-500 hours.
Hydraulic Fluid Change:
Typically every 600-1000 operating hours or annually, depending on usage and operating conditions.
Hydraulic Fluid Type:
Refer to manual for specific IH approved fluids or equivalent UTF (Universal Tractor Transmission Fluid) specifications.
Common Wear Items:
Clutch wear, hydraulic pump degradation, PTO clutch issues, fuel injector wear, electrical component failure.
Troubleshooting Focus:
Difficulty starting, loss of hydraulic power, transmission engagement issues, engine misfiring.
