Product Segment:
        
        
            Compact utility tractor (historically)
        
     
    
        
            Target Audience:
        
        
            Owners, mechanics, and restoration enthusiasts of International Harvester Cadet 80 tractors
        
     
    
    
        
            Competitor Models:
        
        
            John Deere Model 110, Ford 8N (though often a class above), Allis-Chalmers B
        
     
    
    
        
            Utility:
        
        
            Designed for light agricultural tasks, gardening, and property maintenance
        
     
    
        
            Simplicity:
        
        
            Robust, mechanically simple design emphasizing durability and ease of maintenance
        
     
 
    
    
    
        
            Engine Systems:
        
        
            Engine overhaul, tune-up procedures, cooling system, lubrication system, fuel system, ignition system, starting system, carburetor adjustments
        
     
    
        
            Transmission Systems:
        
        
            Transmission disassembly and assembly, clutch service, gear shifting mechanisms, PTO (Power Take-Off) operation
        
     
    
        
            Chassis And Drive Systems:
        
        
            Differential, rear axle, front axle, steering system, braking system (mechanical), lubrication of drive components
        
     
    
        
            Electrical Systems:
        
        
            Wiring diagrams, lighting systems, battery maintenance, starter motor, generator/alternator service
        
     
    
        
            Hydraulic Systems:
        
        
            Hydraulic lift operation, control mechanisms, pump service, hydraulic fluid specifications
        
     
    
        
            Body And Frame:
        
        
            Sheet metal repair, mounting procedures, fender and grille adjustments
        
     
    
    
        
            Routine Maintenance:
        
        
            Oil changes, filter replacements, greasing points, spark plug gap setting, belt tensioning
        
     
    
        
            Troubleshooting:
        
        
            Diagnostic charts for common problems, symptom-based troubleshooting guides
        
     
    
        
            Major Repairs:
        
        
            Engine rebuild, transmission overhaul, hydraulic pump repair, brake system refurbishment
        
     
    
        
            Adjustments:
        
        
            Carburetor synchronization, ignition timing, valve clearance, brake pedal free play
        
     
    
        
            Special Tools:
        
        
            Identification and usage of specialized tools required for specific repairs
        
     
    
    
        
            Depth Of Coverage:
        
        
            Comprehensive, from basic maintenance to complete engine and transmission rebuilds
        
     
    
        
            Diagnostic Capabilities:
        
        
            Detailed troubleshooting flowcharts and symptom analysis
        
     
    
        
            Torque Specifications:
        
        
            Includes critical torque values for engine, transmission, and chassis fasteners
        
     
    
        
            Clearances And Tolerances:
        
        
            Specifications for valve lash, piston ring gap, bearing clearances, etc.
        
     
    
        
            Wiring Diagrams:
        
        
            Detailed electrical schematics for all systems
        
     
 
    
    
    
        
            File Type:
        
        
            Portable Document Format (PDF)
        
     
    
    
        
            Resolution:
        
        
            High-resolution for clear viewing and printing of diagrams and text
        
     
    
    
        
            Binding For Digital:
        
        
            N/A (Digital Download)
        
     
    
    
        
            Paper For Digital:
        
        
            N/A (Digital Download)
        
     
    
    
        
            Searchability:
        
        
            Searchable text content for quick information retrieval
        
     
    
        
            Printability:
        
        
            Printable pages for on-site workshop use
        
     
    
        
            Navigation:
        
        
            Hyperlinked table of contents and index for easy navigation
        
     
 
    
    
    
        
            Engine Make:
        
        
            International Harvester (IH)
        
     
    
        
            Engine Model:
        
        
            Often featured variants of the IH C-series or similar small displacement engines
        
     
    
        
            Engine Type:
        
        
            Vertical, air-cooled or liquid-cooled (depending on specific configuration/year)
        
     
    
        
            Displacement:
        
        
            Typically in the range of 8 to 15 cubic inches (approx. 130-250 cc)
        
     
    
        
            Bore X Stroke:
        
        
            Refer to manual for specific engine variant (e.g., 2.375 in x 2.5 in)
        
     
    
    
        
            Horsepower Rating:
        
        
            Approx. 7-10 PTO horsepower (may vary)
        
     
    
        
            Governed Speed:
        
        
            Typically around 2400-2600 RPM
        
     
    
    
    
        
            Carburetor:
        
        
            Single-barrel carburetor (e.g., Marvel-Schebler or equivalent)
        
     
    
        
            Fuel Delivery:
        
        
            Gravity feed or mechanical fuel pump (depending on configuration)
        
     
    
    
        
            Ignition Type:
        
        
            Magneto or Battery-coil ignition
        
     
 
    
    
    
        
            Transmission Type:
        
        
            Sliding gear transmission
        
     
    
        
            Gear Speeds:
        
        
            Typically 3 forward speeds and 1 reverse gear
        
     
    
    
        
            Optional Features:
        
        
            PTO (Power Take-Off) shaft
        
     
    
    
        
            Clutch Type:
        
        
            Single-plate dry clutch
        
     
    
        
            Gear Reduction:
        
        
            Integral to transmission and rear axle housing
        
     
    
    
        
            Transmission Fluid Type:
        
        
            Refer to manual for specific IH Hy-Trans or equivalent gear oil (e.g., SAE 80W-90 GL-4)
        
     
 
    
    
    
        
            Safety Standards:
        
        
            Designed to vintage agricultural machinery safety standards; modern safety features are absent
        
     
    
    
        
            Braking System:
        
        
            Mechanical, band or shoe type brakes, operated by foot pedal or lever
        
     
    
    
        
            Operator Station:
        
        
            Open operator station; operator presence is required for operation, no ROPS (Roll-Over Protective Structure) or seatbelts were standard
        
     
 
    
    
    
        
            Engine Oil Change:
        
        
            Typically every 50-100 operating hours or annually
        
     
    
        
            Gear Oil Change:
        
        
            Every 500-1000 operating hours or as specified in the manual
        
     
    
        
            Greasing:
        
        
            Daily or weekly at all lubrication points
        
     
    
    
        
            Engine Oil:
        
        
            Refer to manual; likely SAE 30 or SAE 10W-30 API Service ML or MM classified oil for gasoline engines
        
     
    
        
            Hydraulic Fluid:
        
        
            Refer to manual for specific IH Hy-Tran or equivalent hydraulic fluid
        
     
    
        
            Coolant:
        
        
            If liquid-cooled, standard ethylene glycol antifreeze mixture (e.g., 50/50)
        
     
    
    
        
            Carburetor Wear:
        
        
            Common issues include worn needle valves and jets leading to poor idling or running
        
     
    
        
            Electrical Connections:
        
        
            Corroded or loose electrical connections can cause starting or charging problems
        
     
    
        
            Hydraulic Seals:
        
        
            Leaking hydraulic cylinders or pumps due to worn seals
        
     
    
        
            Clutch Adjustment:
        
        
            Need for frequent clutch adjustment due to wear on the friction plate
        
     
 
    
    
    
        
            Manufacturer:
        
        
            International Harvester (IH), a major American manufacturer of agricultural machinery and vehicles
        
     
    
    
        
            Cadet Lineage:
        
        
            The Cadet line evolved from smaller utility tractors produced by IH, often aimed at the homeowner and light-duty agricultural market
        
     
    
    
        
            Production Period:
        
        
            Likely produced in the late 1950s to early 1960s, but specific year range for 'Cadet 80' needs manual confirmation
        
     
    
        
            Manufacturing Location:
        
        
            United States (various IH plants)