The International Harvester (IH) Cadet 111 represents a foundational model in the compact and utility tractor market, produced during the mid-1960s. Known for its robust IH engineering, user-friendly operation, and versatility for tasks such as mowing, tilling, and light towing, the Cadet 111 was designed for homeowners, small farmers, and grounds maintenance. This first-generation Cadet model competed with other small-scale agricultural and garden equipment of its era, offering a durable and reliable solution in a compact package. Its design emphasized practical functionality and the ruggedness characteristic of International Harvester products.
This comprehensive Workshop Service Repair Manual provides detailed guidance for the maintenance, troubleshooting, and repair of the IH Cadet 111. It covers all essential systems, including the engine, transmission, drivetrain, steering, brakes, electrical system, and hydraulics. The manual includes in-depth procedures for engine overhaul, component service, routine maintenance tasks, and diagnostic flowcharts for common issues. With detailed technical specifications, wiring diagrams, and expert advice, this manual is an indispensable resource for owners, mechanics, and technicians seeking to preserve the performance and longevity of their Cadet 111 tractor.
Make:
International Harvester (IH)
Product Name:
IH International Cadet Tractor 111 Workshop Service Repair Manual
Product Type:
Service Manual / Repair Manual
Model Generation:
First Generation Cadet
Manual Id:
Likely an internal or superseded IH part number (not provided in product info)
Market Position:
The International Harvester Cadet series represented IH's entry into the compact and utility tractor market, targeting homeowners, small farmers, and grounds maintenance. The Cadet 111 was a foundational model in this segment.
Competitive Analysis:
Competed with offerings from John Deere (e.g., Lawn & Garden models), Sears (Craftsman Garden Tractors), and other manufacturers of small-scale agricultural and garden equipment during its production run.
Key Features:
Compact size, user-friendly operation, versatility for mowing, tilling, light towing, and snow removal. Known for robust IH engineering in a smaller package.
Coverage Areas:
Engine, transmission, drivetrain, steering, brakes, electrical system, hydraulics, chassis, bodywork, maintenance, troubleshooting, repairs.
Page Count:
Estimated 200-400 pages (typical for comprehensive workshop manuals of this era)
Manual Type:
Workshop Service Repair Manual
Digital Features:
Searchable text, bookmark navigation, ability to zoom in on diagrams.
Systems Covered:
Engine overhaul, carburetor service, ignition system diagnostics, cooling system maintenance, fuel system repair, transmission disassembly and assembly, differential repair, PTO (Power Take-Off) operation and service, steering mechanism adjustment and repair, brake system overhaul (mechanical), electrical system wiring diagrams and troubleshooting, hydraulic system components (lift, remote valves), chassis lubrication and alignment, front and rear axle service, body panel removal and installation.
Pto System:
Service and maintenance of the Power Take-Off (PTO) system, including gearbox and drive shaft inspection.
Procedures Included:
Complete engine rebuild procedures, valve adjustment, piston and ring replacement, bearing services, clutch inspection and replacement, transmission gear synchronization and repair, axle bearing and seal replacement, steering box adjustment, brake shoe relining, electrical component testing and replacement, hydraulic pump and cylinder repair, routine maintenance tasks (oil changes, filter replacements, greasing), diagnostic flowcharts for common problems, torque specifications for critical fasteners.
Hydraulic Lift Service:
Detailed procedures for the tractor's 3-point hitch or other hydraulic lift systems (if equipped).
Technical Depth:
Comprehensive. Covers detailed disassembly, inspection, repair, and reassembly of all major mechanical and electrical components. Includes diagnostic procedures, specifications, and troubleshooting guides essential for professional technicians and experienced DIY mechanics.
Wiring Diagrams:
Includes detailed wiring diagrams for the electrical system.
File Format:
PDF (Portable Document Format)
Print Quality:
High-resolution scans, optimized for clarity of text and diagrams. Expected to be searchable and printable.
Binding Type:
N/A (Digital Download)
Paper Type:
N/A (Digital Download)
Engine Model:
Likely an IH-built or sourced air-cooled gasoline engine (specific model varies, often variants of the 'C-series' or similar small displacement IH engines).
Engine Type:
4-stroke, gasoline, likely 1 or 2 cylinder, air-cooled.
Horsepower:
Approximately 7-10 HP (Horsepower) - specific rating varies by exact engine configuration.
Displacement:
Typically in the range of 150cc to 350cc (cubic centimeters) or roughly 9 to 21 cubic inches.
Torque:
Estimated 20-30 lb-ft (foot-pounds) - specific value depends heavily on engine displacement and RPM.
Fuel System:
Carburetor fed, gravity or low-pressure fuel pump, gasoline fuel.
Ignition System:
Magneto or battery ignition with breaker points and condenser.
Transmission Type:
Manual, sliding gear transmission.
Number Of Gears:
Typically 3 or 4 forward gears plus reverse.
Optional Features:
Some models may have had limited-slip differential options or specific PTO gear ratios.
Transmission Fluid:
API GL-4 Gear Oil (specific viscosity dependent on operating temperature, e.g., SAE 90)
Drive Type:
2WD (Two-Wheel Drive), Rear Wheel Drive
Wheelbase:
Approximately 42-46 inches (1067-1168 mm)
Overall Length:
Approximately 60-70 inches (1524-1778 mm)
Overall Width:
Approximately 30-36 inches (762-914 mm) (excluding attachments)
Shipping Weight:
Approximately 300-400 lbs (136-181 kg)
Operating Weight:
Approximately 350-450 lbs (159-204 kg)
Tire Size Front:
4.00-8 or 4.80-8
Tire Size Rear:
8.3-12 or 7.00-12
Safety Ratings:
No formal automotive safety ratings apply; designed for agricultural/utility use. Emphasis on mechanical safety features.
Active Safety Features:
Mechanical brake system, stable chassis design for its class, operator presence control (engine typically stops if operator leaves seat if equipped with safety switch).
Passive Safety Features:
Heavy-duty cast iron construction, belt guards, PTO shields (if equipped), sturdy frame.
Infotainment System:
N/A - Basic mechanical operation, no electronic infotainment features.
Driver Assistance Features:
N/A - No electronic driver assistance features.
Connectivity Features:
N/A - Purely mechanical and hydraulic systems.
Engine Oil Change:
Every 25-50 operating hours or annually.
Air Filter Cleaning:
As needed, or every 25 operating hours.
Spark Plug Replacement:
Annually or every 100 operating hours.
Greasing:
Lubricate all grease fittings before each use or at least weekly.
Engine Oil Type:
SAE 30 or SAE 10W-30 (depending on ambient temperature), API Service Classification SF or SG.
Engine Oil Capacity:
Approximately 1.0 - 1.5 quarts (0.95 - 1.4 liters).
Transmission Differential Fluid:
API GL-4 Gear Oil, SAE 90.
Brake Fluid:
N/A (Typically mechanical drum brakes requiring lubrication, not hydraulic fluid unless later models had hydraulic brakes)
Known Issues:
Carburetor gumming and hard starting due to fuel degradation, ignition system component wear (points, condenser, coil), fuel tank rust and sediment, worn clutch components, potential seal leaks in transmission and hydraulics, worn steering components.
Carburetor Cleaning Frequency:
May require cleaning every few years or if the tractor sits for extended periods without fuel stabilizer.
Electrical System Reliability:
Older wiring harnesses can become brittle and prone to failure; points ignition can require frequent adjustment.
Brand Heritage:
International Harvester (IH) was a major American manufacturer of agricultural machinery, construction equipment, trucks, and automobiles. Known for ruggedness and reliability.
Model Evolution:
The Cadet line was IH's venture into the growing garden tractor market. It evolved into models like the Cadet 100, 120, 140, and later models with more advanced features and larger engines.
Model Successors:
The Cadet line continued with models like the Cadet 61, 71, 81, 100, 120, 140, 154, 184, and 244, showing a progression in features and power.
Production Years:
Mid-1960s (exact start/end dates for Cadet 111 vary, but generally within the 1965-1970 timeframe).
Manufacturing Location:
Likely manufactured at International Harvester's U.S. facilities.
Recognitions:
No specific awards are documented for this particular model, but International Harvester products of this era were generally recognized for their durability and utility.
Consumer Ratings:
Highly regarded by owners for its robustness and ease of maintenance within its class during its operational lifespan.
