Make:
International Harvester (IH)
Model:
Hydro 100, 186, 1466, 1468, 1486, 1566, 1568, 1586
Category:
Agricultural Tractors
Competitors:
John Deere, Case IH, Ford, Massey Ferguson (during the era of these models)
Value Proposition:
Enables owners to perform their own repairs, saving significant costs on professional servicing.
Usability:
Easy-to-follow, step-by-step instructions with illustrative pictures.
Accessibility:
Downloadable to various devices (PC, Mac, tablets, smartphones) with free Adobe Reader.
Engine:
D-series Diesel Engines (e.g., D-239, D-268, D-312, D-358, D-414, D-436, D-466)
Transmission:
Hydrostatic Transmission (Hydro 100), Power Shift Transmissions (e.g., 16-speed Power Shift)
Hydraulics:
Hydraulic System, PTO (Power Take-Off), Rockshaft, Control Valves, Hydraulic Pump, Cylinders
Electrical:
Wiring Diagrams, Starting System, Charging System, Lighting, Instrumentation, Accessories
Drive Train:
Front Axle, Rear Axle, Differential, Final Drives, PTO Drive
Braking System:
Brake System Components, Parking Brake
Steering System:
Power Steering System, Steering Components
Cooling System:
Radiator, Fan, Thermostat, Water Pump
Fuel System:
Fuel Tank, Fuel Lines, Fuel Filters, Injection Pump, Injectors
User Interface:
Operator Station, Controls, Dashboard Indicators
Body Chassis:
Frame, Hood, Fenders, Cab Components
Maintenance:
Scheduled Maintenance, Lubrication, Filter Changes, Fluid Replacements, Greasing Points
Troubleshooting:
Diagnostic Procedures, Common Problems and Solutions, Fault Finding
Repair:
Component Overhaul, Engine Rebuild, Transmission Repair, Hydraulic Component Repair, Electrical System Repair
Adjustment:
Valve Lash Adjustment, Clutch Adjustment, Brake Adjustment, Hydraulic Pressure Adjustments
Assembly Disassembly:
Step-by-step instructions for component removal and installation
Depth:
Comprehensive A-Z coverage from basic maintenance to complete engine and transmission rebuilds
Type:
Diesel (IH D-series engines)
Horsepower Range:
Varies by model and engine (e.g., 70-130 PTO HP range)
Torque Characteristics:
Designed for high torque output at lower RPMs, typical for agricultural applications.
Injection Type:
Direct Injection (typical for IH D-series)
Oil Type:
API CD or CE rated Diesel Engine Oil (refer to specific manual for exact viscosity and API rating)
Coolant Type:
Ethylene Glycol based antifreeze (50/50 mix with water recommended)
Bore Stroke Examples:
D-239 (3.9" x 4.375"), D-312 (4.125" x 4.375"), D-436 (4.3125" x 5.0")
Type:
Hydrostatic (Hydro 100), 16-speed Power Shift (14xx and 15xx series)
Type:
Possibly different gear ratios or PTO options, though the manual implies 'All' variants are covered.
Hydrostatic Features:
Infinitely variable speed control, clutchless operation.
Power Shift Operation:
On-the-go shifting without engaging a clutch pedal.
Transmission Oil Type:
IH Hy-Tran Fluid (or equivalent Type 'C' transmission fluid for Power Shift and Hydro)
Fluid Capacity Example:
Refer to manual for specific model capacities (typically 15-25 liters for transmission/hydraulic systems).
Wheelbase Example:
Varies by model; typically around 90-100 inches for 2WD models.
Overall Length Example:
Varies by model; typically around 160-190 inches.
Operating Weight Example:
Varies by model and configuration; typically 7,000-11,000 lbs (3,175-4,990 kg).
Drawbar Pull Capacity Example:
Significant, designed for heavy tillage and draft work.
Rollover Protection:
ROPS (Roll Over Protective Structure) often standard or available as an option.
Braking System:
Independent rear wheel brakes, often with an assist system; parking brake.
Operator Station:
Enclosed cab (optional) with climate control, safety glass, and ergonomically placed controls.
Engine Oil Filter Change:
Every 250 hours or annually (refer to specific engine manual).
Fuel Filter Change:
Every 500 hours or as needed.
Hydraulic Oil Change:
Every 1000 hours or annually.
Transmission Oil Change:
Every 1000 hours or annually.
Hydraulic Fluid:
IH Hy-Tran Fluid (or equivalent Type 'C' transmission fluid)
Engine Oil Viscosity:
SAE 30 or 15W-40 (check manual based on ambient temperature).
Common Wear Items:
Clutch packs (Power Shift), hydraulic pump wear, PTO clutch engagement, fuel injection components.
Electrical Gremlins:
Corrosion on connectors, aging wiring harnesses can lead to intermittent issues.
Hydrostatic Wear:
Hydrostatic transmission control valves and pumps can wear with age and improper fluid maintenance.
Manufacturer:
International Harvester (IH), a major American manufacturer of agricultural and industrial machinery.
Era:
These models were primarily produced in the 1970s and early 1980s.
Family Line:
Part of IH's 'Magnum' or similar series tractors known for power and durability.
Manufacturing Locations:
Primarily Rock Island, Illinois, USA.
