🏷️ Basic Information

Make:

International Harvester

Model:

Cadet 80

Model Code:

Not specified in product info, typically associated with specific production runs or engine configurations.

👋 Introduction

Tractor Segment:

Compact utility tractor, designed for small farms, residential use, and light industrial applications.

Key Competitors Era:

Competed with similar offerings from John Deere (e.g., Model 110, 112), Ford (e.g., 1000 Series), Allis-Chalmers (e.g., B Series), and other manufacturers of smaller-frame tractors.

Primary Appeal:

Known for its robust build, relative simplicity, and the strong reputation of the International Harvester brand for durability and capability in its class.

User Manual Benefit:

Provides the knowledge to perform maintenance, repairs, and troubleshooting, significantly reducing reliance on expensive professional service and extending the operational life of the tractor.

📋 Manual Details

Manual Type:

Workshop Service Repair Manual

Language:

English

Format:

Digital (likely PDF, as inferred from typical sales of such manuals)

Estimated Page Count:

Varies significantly based on the specific edition and completeness. Typically, comprehensive workshop manuals for tractors of this era range from 300 to 800+ pages.

📖 Manual Coverage

Engine:

Detailed service, repair, overhaul, and troubleshooting for the specific engine(s) used in the Cadet 80, including specifications for components like pistons, rings, bearings, valves, and cylinder heads.

Transmission:

Service and repair procedures for the transmission, including gear selection, clutch operation, and internal components.

Fuel System:

Maintenance, adjustment, and repair of the carburetor, fuel lines, fuel pump, and fuel filter.

Ignition System:

Troubleshooting and repair of the ignition system, including spark plugs, ignition coil, distributor (if applicable), and timing.

Cooling System:

Service and repair for the cooling system, including radiator, fan, thermostat, and water pump.

Electrical System:

Wiring diagrams, troubleshooting for starting and charging systems (generator/alternator, starter motor, battery), lighting, and accessory circuits.

Steering System:

Repair and adjustment of the steering mechanism, including linkages and steering column.

Brake System:

Service and repair of the braking system, including adjustments, component replacement, and troubleshooting.

Hydraulics:

Information on hydraulic systems, such as power steering or implement lift, if equipped.

Chassis And Frame:

Inspection, repair, and maintenance of the tractor's chassis and frame components.

Bodywork:

Information on sheet metal, fenders, grille, and other body components.

Paints And Finishes:

Likely includes color codes and paint recommendations relevant to the era.

Preventative Maintenance:

Scheduled maintenance tasks, lubrication charts, and replacement intervals for filters, fluids, and wear items.

Troubleshooting:

Diagnostic charts and step-by-step procedures for identifying and resolving common mechanical and electrical problems.

Repair Procedures:

Detailed, step-by-step instructions for the disassembly, inspection, repair, and reassembly of all major components and systems.

Overhaul Instructions:

Comprehensive guidance for complete engine and transmission overhauls, including bearing clearances and torque specifications.

Adjustment Procedures:

Instructions for setting ignition timing, carburetor idle speed, clutch engagement, and other critical adjustments.

Part Replacement:

Guidance on replacing common wear items and faulty components.

Specifications And Tolerances:

Includes detailed torque specifications for all fasteners, critical assembly clearances (e.g., bearing play, valve lash), and precision measurements for engine and transmission components.

Depth:

Comprehensive, covering routine maintenance to complete engine and transmission rebuilds. Provides detailed torque specifications, clearances, and diagnostic information.

Diagnostic Capabilities:

Extensive, including specific diagnostic procedures for engine performance, ignition timing, fuel delivery, and electrical system faults, often with troubleshooting flowcharts.

📊 Manual Specifications

Digital Format:

Likely PDF, optimized for digital viewing and printing.

Searchability:

PDF format typically allows for keyword searching, greatly enhancing the ability to find specific information quickly.

Image Clarity:

High-resolution scans or professionally recreated documents ensuring clear text and legible diagrams.

Physical Format Description:

Not applicable for digital format; if a physical copy, binding would be saddle-stitched or coil-bound for lay-flat usability.

Physical Format Description:

Not applicable for digital format; physical copies typically use durable, matte paper suitable for workshop environments.

⚙️ Engine Specifications

Engine Model:

Likely equipped with a small displacement, air-cooled or liquid-cooled gasoline engine. Specific model details would be in the manual. Common IH engines of this era were often sourced from Continental or built in-house. For example, a 4-cylinder gasoline engine is a strong possibility.

Horsepower Range:

Typically in the 15-25 PTO horsepower range, depending on specific engine variant and configuration.

Torque Specifications:

Specific torque figures for engine components would be detailed in the manual, crucial for proper assembly.

Carburetor Type:

Likely a single-barrel carburetor, with specific model information provided in the manual for adjustment and overhaul (e.g., Zenith, Marvel-Schebler).

Fuel Type:

Gasoline

Cooling Method:

Either air-cooled or liquid-cooled (radiator type), depending on the specific configuration of the Cadet 80 model. Manual will specify.

🔧 Transmission

Transmission Type:

Likely a manual transmission with multiple forward and reverse gears (e.g., 3-speed, 4-speed, or 6-speed synchromesh or unsynchronized). Specific gear ratios would be in the manual.

Optional Features:

May include a creeper gear or a higher range gearbox depending on the specific market or application.

Clutch Type:

Typically a single-plate dry clutch, requiring specific adjustment procedures detailed in the manual.

Rear Axle:

Likely a robust rear axle with differential, requiring specific lubrication and potential service procedures.

📐 Dimensions

Wheelbase:

Specific dimensions would be found in the manual, but typical for this class would be around 60-70 inches.

Overall Length:

Varies by configuration, but generally compact, likely around 90-110 inches.

Overall Width:

Designed for maneuverability, likely around 45-55 inches at the rear wheels.

Operating Weight:

Typically in the 1,500 - 2,500 lb range, depending on attachments and configuration.

Drawbar Pull Capacity:

Specific rated capacities for towing and implement operation would be detailed in the manual.

🛡️ Safety Features

Safety Standards Era:

Safety features were less standardized in the era of the Cadet 80's production. The manual will focus on safe operating practices.

Braking System Description:

Likely mechanical drum brakes or expanding shoe brakes, with specific service and adjustment procedures in the manual.

Operator Station:

Open operator station, without modern safety structures like ROPS or seatbelts as standard. Manual will emphasize safe operation.

💡 Technology Features

Infotainment System:

Not applicable; this tractor predates modern infotainment systems. It is a purely mechanical and electrical device.

Driver Assistance Features:

Not applicable; no electronic driver assistance features were present on this model.

Connectivity Features:

Not applicable; no electronic connectivity features.

🔧 Maintenance

Oil Change Interval Engine:

Typically every 50-100 operating hours, or annually. Manual will provide precise intervals and oil type.

Transmission Fluid Change:

Intervals would be specified in the manual, often around 500-1000 operating hours, depending on usage. Manual will specify fluid type and capacity.

Grease Points:

Regular lubrication of all grease points (e.g., steering, linkage, wheel bearings) as per the lubrication chart in the manual is critical.

Engine Oil Type:

Likely a multi-viscosity oil such as SAE 10W-30 or 10W-40, meeting API service classifications appropriate for the era (e.g., API SB, SC, or CD). Manual will confirm viscosity and specification.

Transmission Fluid Type:

Often a gear oil (e.g., SAE 80W-90) or a universal tractor transmission fluid (UTTF) if the hydraulic system is integrated with the transmission. Manual is essential for correct specification.

Coolant Type:

If liquid-cooled, a mixture of antifreeze and water (typically 50/50) would be recommended. Manual will specify type and capacity.

Common Wear Items:

As with most tractors of this age, common issues can include carburetor gumming, ignition system wear, clutch wear, starter motor issues, and potential leaks from seals and gaskets. The manual provides solutions.

Electrical System Reliability:

Wiring harnesses can degrade over time, leading to intermittent electrical faults. The wiring diagrams in the manual are crucial for troubleshooting.

Engine Overheating:

If liquid-cooled, clogged radiators or faulty thermostats can cause overheating. If air-cooled, cooling fins can become blocked. Manual guides diagnosis.

📚 Vehicle History

Manufacturer Legacy:

International Harvester (IH) was a major American manufacturer of agricultural machinery, construction equipment, and vehicles, known for its durable and dependable products. The Cadet line represented their entry into the sub-compact and compact tractor market.

Cadet Lineage:

The Cadet 80 was part of a series of compact tractors produced by IH, evolving from earlier models. It shared design elements and technology with other tractors in the IH lineup of its time.

Production Years:

The International Harvester Cadet 80 was typically produced in the mid to late 1960s. Specific production years would be confirmed within the manual.

Manufacturing Location:

Likely manufactured in the United States by International Harvester.

🏆 Awards & Recognition

Industry Awards:

Specific awards for the Cadet 80 model are unlikely to be documented publicly in a widespread manner. Its recognition came from its reliability and value in its intended market.