Make:
International Harvester
Product Name:
International Harvester Tractor 786 WSM Service Repair Manual
Product Description:
Full professional quality in-depth Service Repair Manual Download for the International Harvester Tractor 786, covering all areas of repair with easy-to-follow step-by-step instructions, pictures, and wiring diagrams. Covers routine maintenance and all services & repair jobs.
Vehicle Class:
Agricultural Tractor (Utility/Row-Crop)
Manual Purpose:
Empower owners and technicians to perform accurate and efficient repairs, reducing downtime and maintenance costs.
Visual Aids:
Includes pictures and wiring diagrams for clarity and ease of understanding.
Instruction Style:
Step-by-step instructions designed for ease of use.
Primary Coverage:
Service and Repair of International Harvester Tractor 786
Secondary Coverage:
Routine Maintenance, Troubleshooting, Diagnostics, Component Replacement, Electrical Systems, Hydraulic Systems, Powertrain
Estimated Page Count:
Information not explicitly provided, but implied to be comprehensive.
Manual Type:
Service Manual (WSM - Workshop Service Manual)
Delivery Method:
Instant Download
Software Requirements:
Adobe PDF Reader
Operating System Compatibility:
All Versions of Windows & Mac
Engine Systems:
Engine overhaul, fuel system, lubrication system, cooling system, intake and exhaust systems, starting and charging systems.
Powertrain Systems:
Clutch, transmission (gearbox), differential, final drives, power take-off (PTO) unit.
Hydraulic Systems:
Hydraulic pump, control valves, cylinders, hydraulic fluid system, remote hydraulics, hitch control.
Electrical Systems:
Wiring diagrams, lighting system, ignition system, starter motor, alternator, battery, instrumentation, safety switches.
Chassis And Steering:
Front axle, rear axle, steering system (hydrostatic power steering), braking system.
Operator Station And Body:
Operator controls, seat, fenders, hood, ballast weights.
Maintenance Procedures:
Scheduled maintenance, lubrication points, filter replacement, fluid checks and changes, tune-up procedures.
Repair Procedures:
Step-by-step disassembly, inspection, repair, and reassembly of all major components and systems.
Troubleshooting Procedures:
Diagnostic charts, symptom-based troubleshooting, identification of common problems and their solutions.
Diagnostic Procedures:
Engine performance testing, hydraulic system pressure tests, electrical system diagnostics.
Depth Of Coverage:
Comprehensive, covering everything from basic maintenance to major overhauls and detailed diagnostics.
Detail Level:
Includes detailed specifications, torque values, clearances, and procedures for professional-level repairs.
Engine Manufacturer:
International Harvester
Engine Model Family:
D-Series Diesel (commonly found in 786)
Engine Configuration:
Inline 4-Cylinder Diesel (common for the 786)
Engine Displacement:
Approximately 239 cubic inches (3.9 Liters) for the D-239 engine, a common option for the 786.
Horsepower Rating:
Typically in the range of 70-80 PTO horsepower, with drawbar horsepower slightly lower.
Torque Rating:
Manufacturer specifications would detail specific torque curves.
Fuel Injection System:
Direct Injection (typical for IH D-Series)
Cooling Type:
Liquid Cooled
Transmission Type Standard:
Synchronized 8-Speed Gear Drive (2WD configuration common)
Transmission Type Optional:
Possibly offered with a hydrostatic transmission or power shift options in later variations or specific markets. The manual would confirm this.
Power Take Off Pto:
Standard 540/1000 RPM PTO, often a 2-speed or ground-speed PTO.
Differential Lock:
Mechanical differential lock (rear axle) is typically standard or a common option.
Infotainment System:
Basic instrumentation, no advanced infotainment systems typically found in modern tractors.
Driver Assistance Features:
Limited to mechanical aids and operator interface design; no electronic driver assistance.
Connectivity Features:
No digital connectivity features.
Engine Oil Change Interval:
Typically every 250-500 operating hours, depending on operating conditions and oil type. Manual would specify.
Hydraulic Fluid Change Interval:
Generally every 1000-1200 operating hours. Manual is critical for specific interval.
Fuel Filter Replacement Interval:
Recommended at regular intervals, often with oil changes or as per manufacturer recommendation.
Engine Oil Type:
API CD or CE rated diesel engine oil, typically SAE 15W-40 or 10W-30 depending on climate. Manual confirmation required.
Hydraulic Fluid Type:
IH Hy-Trans fluid or equivalent universal tractor transmission fluid (UTTF) meeting specific IH specifications. Manual must be consulted for precise specification.
Coolant Type:
Ethylene glycol based antifreeze with corrosion inhibitors, mixed with distilled water. Manual would specify mix ratio and type.
Common Wear Items:
Clutch wear, hydraulic pump wear, injector issues, potential for starter/alternator problems over time.
Electrical System Quirks:
Wiring harness degradation, switch failures, particularly on older units.
Brand History:
International Harvester (IH) was a major American manufacturer of agricultural and construction machinery, known for robust and reliable equipment.
786 Placement:
The 786 was part of IH's '86 series, which represented an advancement in tractor design and technology for its time, offering improved operator comfort and performance over previous models.
Production Years:
The 86 series, including the 786, was generally produced from the late 1970s through the early 1980s.
