🏷️ Basic Information Identification Make: International Harvester Model: Cadet 80 Product Type: Workshop Service Repair Manual Codes Common Model Codes: 261, 344 👋 Introduction Market Position Target Audience: Owners, mechanics, restoration enthusiasts of International Harvester Cadet 80 tractors Competitive Analysis Value Proposition: Essential for maintaining, repairing, and restoring the IH Cadet 80, providing significant cost savings over professional servicing Key Features Content Focus: Practical, hands-on repair and maintenance guidance Diagnostic Tools: Includes troubleshooting sections to identify and resolve common issues 📋 Manual Details Coverage Areas Primary Coverage: All aspects of service, repair, and maintenance Page Count Estimated Pages: 200-300 pages (typical for comprehensive manuals of this era) Manual Type Type: Workshop Service Repair Manual Language Language: English Format Format: Digital (PDF) 📖 Manual Coverage Systems Covered Engine: Engine overhaul, disassembly, assembly, tuning, cooling system, lubrication system Fuel System: Carburetor service and adjustment, fuel pump, fuel lines Electrical System: Ignition system, charging system (generator/alternator), starting system (starter motor), lighting, wiring diagrams Transmission: Gearbox disassembly, assembly, adjustment, lubrication, clutch service Drive System: Rear axle, differential, driveshafts, PTO (Power Take-Off) operation and service Steering: Steering mechanism overhaul, adjustment, linkage service Brakes: Brake system service, adjustment, component replacement (drum brakes typical for this era) Hydraulics: Hydraulic lift system (Terratrac) service, pump, cylinder, control valve Chassis And Frame: Frame inspection, repair, component mounting Bodywork And Fenders: Sheet metal repair, fender mounting, operator platform Procedures Included Maintenance: Regular lubrication, fluid changes, filter replacements, tune-ups, preventative maintenance schedules Troubleshooting: Diagnostic charts for common problems, identification of symptoms and causes Repair: Step-by-step instructions for component disassembly, repair, reassembly, and replacement Overhaul: Complete engine, transmission, and hydraulic system overhaul procedures Adjustments: Carburetor, ignition timing, valve lash, brake settings, clutch adjustment Technical Depth Depth: Comprehensive; covers basic maintenance to complete engine and component rebuilds Diagnostics: Detailed diagnostic procedures and troubleshooting guides Specifications: Torque values, clearances, timing specifications, fluid capacities, electrical resistance values 📊 Manual Specifications File Format File Type: PDF Searchability: Likely text-searchable if professionally scanned Print Quality Scan Quality: High-resolution scan for clarity of text and diagrams Binding Type Binding: N/A (Digital Format) Paper Type Paper Quality: N/A (Digital Format) ⚙️ Engine Specifications Primary Engine Engine Type: Vertical, 4-stroke, gasoline Engine Model Examples: International Harvester C-60 or similar Continental engines Displacement: Approx. 60 cubic inches (1.0 L) or similar variations Performance Horsepower: Approximately 8-12 HP (gross, depending on specific engine variant and rating method) Torque: Specific torque figures vary by engine; manual will provide operational specifications. Fuel System Carburetor Type: Single-barrel, updraft or downdraft carburetor (e.g., Marvel-Schebler, Zenith) Fuel Type: Gasoline Fuel Delivery: Mechanical fuel pump 🔧 Transmission Standard Transmission Type: Sliding gear, constant mesh manual transmission Gear Speeds: Typically 3 forward speeds and 1 reverse gear Optional Optional Features: Differential lock (may be standard or optional depending on configuration) Features Clutch Type: Dry, single-plate 📐 Dimensions Exterior Wheelbase: Varies, typically around 45-50 inches Tire Sizes: Front: 4.00-8 or 4.00-10; Rear: 8N16 or 9N24 (typical, refer to manual for exact fitment) Weights Operating Weight: Approx. 800-1000 lbs (without attachments) 🛡️ Safety Features Ratings Safety Standards: ASAE standards; manual will detail safe operating procedures. Active Features Operator Safety: Emphasis on proper operation, maintenance, and use of safety guards. Passive Features Machine Design: Designed with operator visibility and control in mind for its era. 💡 Technology Features Infotainment Infotainment Features: N/A (Mechanical tractor with basic instrumentation: ammeter, oil pressure light/gauge, temperature gauge if equipped). Driver Assistance Driver Assistance Features: N/A Connectivity Connectivity Features: N/A 🔧 Maintenance Service Intervals Oil Change: Every 50 operating hours or annually (refer to manual for precise intervals). Grease Points: Lubricate all grease points (e.g., wheel bearings, steering components, PTO) daily or as recommended. Fluid Specifications Engine Oil: SAE 30 or 10W-30 depending on climate (refer to manual for exact API service classification). Transmission Oil: API GL-4 Gear Oil (e.g., 80W-90 or 90W); specific IH specification (e.g., Hy-Tran fluid for some IH applications, but manual should clarify for Cadet 80). Hydraulic Fluid: IH Hy-Tran or equivalent; specific IH specification needed. Coolant: Ethylene glycol coolant with corrosion inhibitors; 50/50 mix with distilled water. Known Issues Common Wear Items: Carburetor leaks/clogging, ignition points and condenser wear, hydraulic cylinder seal leaks, PTO shaft wear, electrical connections, clutch wear. Engine Maintenance: Regular valve adjustments and carbon cleaning are critical for longevity. 📚 Vehicle History Brand Heritage Manufacturer: International Harvester (IH), a major American manufacturer of agricultural and industrial machinery. Model Evolution Cadet Line: The Cadet line was IH's entry into the compact and lawn/garden tractor market, evolving from early agricultural tractor designs. Production Production Years: Cadet 80 models were produced in the early to mid-1960s (e.g., 1962-1965). Manufacturing Location: United States 🏆 Awards & Recognition Recognitions Industry Recognition: International Harvester was a leader in agricultural innovation; the Cadet series contributed to the growth of the compact tractor market.