Segment:
        
        
            Compact Utility Tractor
        
     
    
        
            Target Audience:
        
        
            Homeowners, small property owners, hobby farmers, and light commercial users.
        
     
    
    
        
            Key Competitors:
        
        
            John Deere 110, Cub Cadet 70/71, Massey Ferguson 210.
        
     
    
    
        
            Versatility:
        
        
            Designed for a wide range of yard and light agricultural tasks with various attachments.
        
     
    
        
            Durability:
        
        
            Reputation for robust construction typical of International Harvester products.
        
     
    
        
            Simplicity:
        
        
            User-friendly operation and maintenance for its era.
        
     
 
    
    
    
        
            Primary Coverage:
        
        
            Comprehensive service and repair for the International IH Cadet Tractor 80
        
     
    
        
            Diagnostic Coverage:
        
        
            Troubleshooting guides, diagnostic procedures, and fault code interpretation.
        
     
    
        
            Maintenance Coverage:
        
        
            Routine maintenance, preventative maintenance schedules, and service intervals.
        
     
    
        
            Repair Coverage:
        
        
            Detailed step-by-step repair instructions for all major components and systems.
        
     
    
    
        
            Estimated Page Count:
        
        
            Refer to actual product for specific page count. Typical WSMs range from 500-1500 pages.
        
     
    
    
        
            Type:
        
        
            Workshop Service Manual (WSM) / Repair Manual
        
     
    
    
        
            Language:
        
        
            English (assumed based on product title)
        
     
    
    
        
            Format:
        
        
            Digital Download (PDF)
        
     
 
    
    
    
        
            Engine Systems:
        
        
            Engine overhaul, cylinder head service, piston and connecting rod assembly, crankshaft and main bearings, camshaft, valve train, lubrication system, cooling system, fuel system, ignition system (if applicable to specific engine variants), starting system, charging system.
        
     
    
        
            Powertrain Systems:
        
        
            Transmission repair and overhaul (gearbox, clutch, PTO), differential, axle assemblies, drive shafts.
        
     
    
        
            Chassis Systems:
        
        
            Steering system (mechanical, hydraulic assist), braking system (mechanical, hydraulic), front axle and suspension, rear axle and suspension, hitch and draft control systems.
        
     
    
        
            Electrical Systems:
        
        
            Wiring diagrams, component testing, lighting, battery system, starter motor, generator/alternator.
        
     
    
        
            Operator Controls:
        
        
            Throttle controls, brake controls, clutch controls, transmission shifters, hydraulic controls, PTO controls.
        
     
    
        
            Hydraulic Systems:
        
        
            Hydraulic pump, control valve, cylinders, fluid reservoir, lines, hoses, filter replacement, troubleshooting hydraulic performance.
        
     
    
        
            Body And Frame:
        
        
            Fender repair, instrument panel, seat assembly, general chassis and frame inspection.
        
     
    
    
        
            Disassembly Assembly:
        
        
            Detailed step-by-step instructions for component removal, disassembly, inspection, repair, and reassembly.
        
     
    
        
            Troubleshooting Diagnostics:
        
        
            Systematic approach to diagnosing and resolving common and uncommon operational issues.
        
     
    
        
            Special Tool Requirements:
        
        
            Identification and usage instructions for specialized tools required for specific repairs.
        
     
    
        
            Torque Specifications:
        
        
            Precise torque values for all critical fasteners and bolts.
        
     
    
        
            Alignment And Adjustment:
        
        
            Procedures for aligning and adjusting steering, brakes, clutch, and other critical systems.
        
     
    
        
            Schematics And Diagrams:
        
        
            Component identification, exploded views, wiring diagrams, and hydraulic schematics.
        
     
    
    
        
            Depth Of Coverage:
        
        
            Comprehensive, covering from basic maintenance to full engine and transmission rebuilds.
        
     
    
        
            Diagnostic Capabilities:
        
        
            Advanced diagnostic procedures to identify root causes of malfunctions.
        
     
    
        
            Repair Complexity:
        
        
            Suitable for both experienced mechanics and technically inclined owners undertaking complex repairs.
        
     
 
    
    
    
        
            Engine Make Model:
        
        
            Likely an International Harvester branded or manufactured engine (e.g., C-series, or specific Cadet engine).
        
     
    
        
            Engine Type:
        
        
            Typically 2-cylinder or 4-cylinder, air-cooled or liquid-cooled gasoline engine.
        
     
    
        
            Displacement:
        
        
            Varies by specific engine variant, often in the range of 0.8L to 1.6L (approx. 48 to 98 cubic inches).
        
     
    
    
        
            Horsepower:
        
        
            Estimated 8-15 PTO horsepower, depending on engine variant and tuning.
        
     
    
        
            Torque:
        
        
            Specific torque figures are model-dependent but designed for consistent pulling power at lower RPMs.
        
     
    
    
        
            Carburetor:
        
        
            Single-barrel carburetor (e.g., Zenith, Marvel-Schebler) common for this era and class.
        
     
    
        
            Fuel Type:
        
        
            Unleaded gasoline.
        
     
    
        
            Fuel Capacity:
        
        
            Typically around 2-5 gallons, depending on the specific chassis configuration.
        
     
    
    
        
            Ignition Type:
        
        
            Battery-Ignition (Distributor-based or Magneto for some early models).
        
     
    
    
        
            Oil Type Specification:
        
        
            API Service Classification SG, SH, or SJ for gasoline engines, SAE 30 or 10W-30 depending on climate. Refer to manual for precise IH specification.
        
     
    
        
            Oil Capacity:
        
        
            Typically 3-5 quarts (3-4.7 liters) with filter change. Consult manual.
        
     
    
    
        
            Cooling Method:
        
        
            Air-cooled for smaller displacements, or liquid-cooled with radiator and fan for larger variants.
        
     
 
    
    
    
        
            Transmission Type:
        
        
            Manual sliding gear transmission with multiple forward speeds and one reverse.
        
     
    
        
            Number Of Speeds:
        
        
            Typically 3 to 8 forward speeds and 1 reverse.
        
     
    
    
        
            Optional Transmission:
        
        
            Hydrostatic transmission (HST) may have been an option on later or higher-trim models.
        
     
    
    
        
            Clutch Type:
        
        
            Single dry plate, foot-operated clutch.
        
     
    
        
            Pto Standard:
        
        
            Standard rear Power Take-Off (PTO) shaft, typically 540 RPM.
        
     
    
        
            Pto Engagement:
        
        
            Mechanical engagement via a lever.
        
     
    
    
        
            Transmission Fluid Type:
        
        
            IH HyTran (for models with integrated hydraulic systems) or SAE 80W-90 GL-4 gear oil for transaxle/gearbox. Consult manual for specific IH fluid recommendations.
        
     
 
    
    
    
        
            Wheelbase:
        
        
            Varies by configuration, but generally compact for maneuverability, estimated 50-60 inches (1.27-1.52 m).
        
     
    
        
            Length:
        
        
            Estimated 70-85 inches (1.78-2.16 m) without attachments.
        
     
    
        
            Width:
        
        
            Adjustable rear track width, typically 40-55 inches (1.02-1.40 m) at widest setting.
        
     
    
        
            Height:
        
        
            To top of steering wheel/seat: approx. 45-55 inches (1.14-1.40 m).
        
     
    
    
        
            Operating Weight:
        
        
            Approximately 700-1000 lbs (318-454 kg) without implements or ballast.
        
     
    
        
            Towing Capacity:
        
        
            Varies by tractor configuration and hitch type, designed for light trailer towing.
        
     
 
    
    
    
        
            Rollover Protection:
        
        
            ROPS (Roll-Over Protective Structure) was typically an optional accessory, not standard equipment on early models.
        
     
    
    
        
            Braking System Type:
        
        
            Mechanical drum brakes or enclosed wet disc brakes on rear axle, controlled by foot pedals.
        
     
    
    
        
            Operator Station:
        
        
            Open operator station, typically a padded seat and platform.
        
     
    
        
            Lighting:
        
        
            Optional front and rear work lights, standard taillight/brake light may be present on later models.
        
     
 
    
    
    
        
            Engine Oil Change:
        
        
            Every 50 hours of operation or annually. Refer to manual for specific engine break-in intervals.
        
     
    
        
            Air Filter Cleaning Replacement:
        
        
            Check and clean every 25 hours, replace every 100-200 hours or as needed.
        
     
    
        
            Fuel Filter Replacement:
        
        
            Replace annually or every 100 hours.
        
     
    
        
            Transmission Oil Change:
        
        
            Every 200-300 hours or every two years. Flush and refill if contaminated.
        
     
    
        
            Grease Points:
        
        
            Lubricate all grease fittings (wheel bearings, pivot points, PTO) every 50 hours or weekly.
        
     
    
    
        
            Engine Oil Specification:
        
        
            IH specified viscosity and API classification, typically SAE 30 or 10W-30. Consult manual for exact IH specification.
        
     
    
        
            Transmission Hydraulic Fluid:
        
        
            IH HyTran or equivalent for models with integrated hydraulics. For purely mechanical gearboxes, SAE 80W-90 GL-4 gear oil.
        
     
    
        
            Coolant Specification:
        
        
            For liquid-cooled engines: Ethylene glycol based antifreeze with corrosion inhibitors, mixed 50/50 with distilled water.
        
     
    
        
            Grease Specification:
        
        
            General purpose lithium-based grease (NLGI #2).
        
     
    
    
        
            Engine Wear:
        
        
            Common issues include worn piston rings, valve guides, and potential oil leaks from seals and gaskets due to age.
        
     
    
        
            Carburetor Issues:
        
        
            Clogged jets, worn needle valves, and diaphragm issues leading to hard starting or poor running.
        
     
    
        
            Transmission Wear:
        
        
            Worn synchronizers, dog clutches, and bearings in the gearbox can cause shifting problems.
        
     
    
        
            Hydraulic System Leaks:
        
        
            Aging seals and hoses in the hydraulic system can lead to leaks and reduced lifting capacity.
        
     
    
        
            Electrical Component Failure:
        
        
            Corroded wiring, worn ignition components (points, condenser, spark plugs), and failing charging systems are common.
        
     
 
    
    
    
        
            Brand Legacy:
        
        
            International Harvester (IH) was a renowned American manufacturer of agricultural and construction machinery with a long history dating back to the early 20th century.
        
     
    
    
        
            Cadet Lineage:
        
        
            The Cadet series represented IH's entry into the homeowner and light duty garden tractor market, evolving from earlier Cub models. The Cadet 80 was a mid-tier offering in this line.
        
     
    
    
        
            Production Years:
        
        
            The International Cadet 80 was primarily produced in the late 1960s and early 1970s (e.g., approximately 1968-1971, exact years vary by specific model designation within the Cadet line).
        
     
    
        
            Manufacturing Location:
        
        
            Typically manufactured in the United States by International Harvester.