Target Audience:
Owners, mechanics, restorers, and enthusiasts of the International Harvester Cadet 80 tractor.
Value Proposition:
Provides essential technical information for maintaining and repairing a classic agricultural workhorse, empowering users to perform their own servicing.
Manual Utility:
Essential for proper maintenance, troubleshooting, and complete overhauls, ensuring longevity and optimal performance of the IH Cadet 80.
Primary Coverage:
Repair, Maintenance, Rebuilding
Estimated Page Count:
Varies by specific manual, but comprehensive coverage implies 200+ pages
Manual Type:
Service and Repair Manual
Engine Systems:
Engine overhaul, carburetor, ignition system, cooling system, lubrication system, fuel system, starting system, charging system.
Drivetrain Systems:
Clutch, transmission (gearbox), differential, final drives, PTO (Power Take-Off) system.
Chassis Systems:
Steering system, front axle, rear axle, braking system, hydraulic system (if applicable), hitch system.
Electrical Systems:
Wiring diagrams, lighting, instrumentation, battery, starter, generator/alternator.
Body And Frame:
Sheet metal, fenders, operator platform, frame construction, lubrication points.
Maintenance Procedures:
Scheduled lubrication, filter changes, fluid checks and replacements, tune-up procedures, battery maintenance.
Repair Procedures:
Engine rebuilding, transmission overhaul, brake relining, clutch replacement, axle repairs, electrical component testing and replacement.
Troubleshooting Guides:
Systematic diagnosis of common problems, symptoms and causes, corrective actions.
Diagnostic Capabilities:
Detailed diagnostic procedures for all major systems, including electrical and mechanical troubleshooting.
Rebuild Specifications:
Comprehensive specifications for engine, transmission, and other major component overhauls, including tolerances and clearances.
Torque Specifications:
Precise torque values for all critical fasteners across all systems.
Engine Model:
Likely an International Harvester or Continental engine, common for this era of tractors (e.g., a single-cylinder or small displacement multi-cylinder gasoline engine).
Engine Type:
Gasoline, air-cooled or liquid-cooled depending on specific configuration.
Bore X Stroke:
Specific values not provided, but typical for small utility tractor engines of the era.
Displacement:
Specific values not provided, but likely in the range of 10-25 cubic inches (approx. 160-410 cc).
Horsepower:
Estimated 6-10 HP, depending on the specific engine fitted.
Torque:
Not specified, but optimized for low-end torque for agricultural applications.
Fuel Delivery:
Gravity feed or mechanical fuel pump, typically with a carburetor.
Carburetor Type:
Specific model varies, but likely a single-barrel carburetor.
Ignition Type:
Magneto ignition or battery-coil ignition system.
Transmission Type:
Manual transmission, likely a sliding gear type.
Number Of Gears:
Typically 3-4 forward speeds and 1 reverse speed.
Optional Features:
Differential lock may have been an option on some models.
Clutch Type:
Single-plate dry clutch.
Gear Ratios:
Detailed gear ratios are typically provided within the manual.
Pto Operation:
Rear PTO (Power Take-Off) may be present, driven by the transmission or engine.
Wheelbase:
Specific dimensions not provided, but consistent with small utility tractors of the era.
Length:
Specific dimensions not provided.
Width:
Specific dimensions not provided.
Height:
Specific dimensions not provided.
Operating Weight:
Likely in the range of 500-700 lbs (approx. 225-315 kg).
Tire Sizes:
Front tires: typically 4.00-12 or similar. Rear tires: typically 8.3-24 or 6.00-16 or similar agricultural lug tires.
Safety Standards:
Designed to meet agricultural safety standards of its production era.
Braking System:
Mechanical drum brakes or band brakes, typically acting on the rear wheels or final drive.
Operator Station:
Open operator station, often with a fixed steering wheel and basic controls.
Oil Change Interval:
Typically 50 hours or annually for engine oil, subject to operating conditions. Manual will specify.
Grease Points:
Daily or weekly greasing of various pivot points, linkages, and bearings is crucial. Manual will detail locations.
Engine Oil Type:
API Service SF, SG, or CD rated oil, typically SAE 30 or 10W-30 depending on temperature. Manual will specify.
Transmission Hydraulic Fluid:
IH Hy-Tran fluid or equivalent UTF (Universal Tractor Transmission) fluid. Manual will specify.
Coolant Type:
If liquid-cooled, a mix of permanent antifreeze and water. Manual will specify type and ratio.
Common Wear Points:
Wear in the transmission gears, clutch engagement, and steering components are common due to age and use.
Engine Problems:
Carbon buildup in single-cylinder engines, worn piston rings, and carburetor issues are typical.
Electrical Issues:
Degradation of wiring insulation, corrosion on electrical connections, and worn starter/generator components.
Manufacturer:
International Harvester (IH) was a major American manufacturer of agricultural and construction equipment.
Cadet Line:
The Cadet was IH's line of compact tractors, popular for small farms, estates, and garden use.
Production Years:
The Cadet 80 model was likely produced in the late 1950s to early 1960s. Specific years require confirmation.
Manufacturing Location:
Likely manufactured in the United States by International Harvester.
