Market Segment:
Compact utility tractor, popular in the enthusiast and hobby farm market.
Competitors:
Competed with models from John Deere, Ford, Massey Ferguson, Allis-Chalmers, and other manufacturers in the small tractor segment of its era.
Design Philosophy:
Designed for versatility, ease of operation, and reliability for small acreage tasks.
Target Audience:
Homeowners, small farm operators, groundskeepers.
Primary Coverage:
Service and repair of the International IH Cadet Tractor 80
Estimated Page Count:
Variable (typical for this era of manual, often 200-500 pages depending on detail)
Type:
Factory Service Repair Manual
Format:
Likely printed reproduction or PDF (digital format)
Engine:
Overhaul, troubleshooting, tune-up, lubrication, cooling system
Fuel System:
Carburetor adjustment and overhaul, fuel tank and lines
Electrical System:
Ignition system, starting system, charging system (generator/alternator), lighting, wiring diagrams
Transmission:
Clutch, gearbox, differential, PTO (Power Take-Off) operation and repair
Hydraulics:
Hydraulic system operation, pump, cylinder, control valve, troubleshooting
Steering:
Steering mechanism repair, adjustment
Brakes:
Brake system overhaul, adjustment, troubleshooting
Chassis And Frame:
Frame inspection and repair, front axle assembly
Bodywork:
Sheet metal repair, component disassembly and reassembly
Maintenance:
Lubrication schedules, fluid level checks, filter replacement, tune-up procedures
Troubleshooting:
Diagnostic charts, symptom-based troubleshooting for common problems
Repair:
Detailed step-by-step instructions for component overhaul and replacement
Diagnostics:
Engine performance diagnostics, electrical system testing
Adjustments:
Carburetor, ignition timing, clutch, brakes, hydraulic controls
Disassembly Reassembly:
Detailed procedures for all major components and sub-assemblies
Depth:
Comprehensive factory-level repair and maintenance instructions, suitable for professional mechanics and experienced DIY users.
Digital Format Details:
If PDF, expect searchable text, high-resolution scans of original pages, printable.
Print Quality:
High-quality reproduction of original factory publication, clear diagrams and text.
Binding:
If printed, typically spiral-bound or perfect-bound for durability and ease of use in a workshop environment.
Paper Type:
If printed, durable paper stock suitable for workshop conditions.
Engine Type:
Gasoline, Air-cooled (typical for early Cadets)
Manufacturer:
International Harvester
Displacement:
Typically in the range of 8-12 cubic inches (e.g., approx. 140cc for early models), specific to the 80 model needs verification.
Horsepower:
Low horsepower, typically in the 5-8 PTO horsepower range, designed for light-duty tasks.
Torque:
Appropriate for displacement and horsepower rating.
Carburetor:
Specific model carburetor (e.g., Marvel-Schebler or equivalent), requiring precise adjustment.
Cooling Method:
Air-cooled
Oil Type:
Typically SAE 30 or SAE 10W-30 motor oil, consult specific manual for exact API service classification (e.g., API SF or SG).
Ignition System:
Magneto ignition or battery-coil ignition, depending on specific build.
Transmission Type:
Sliding gear, manual transmission
Number Of Speeds:
Typically 3 or 4 forward gears plus reverse.
Optional Features:
Some models may have offered a hi-lo range transmission or creeper gear, though less common on the 80 series.
Pto:
Rear Power Take-Off (PTO) shaft, typically 540 RPM standard.
Drive Type:
2WD (Two-Wheel Drive)
Transmission Fluid Type:
Typically SAE 90 Gear Lube (GL-1 or GL-4), consult specific manual for exact specifications and capacities.
Wheelbase:
Compact, likely around 45-50 inches.
Overall Length:
Approx. 70-80 inches.
Overall Width:
Approx. 40-50 inches (at rear wheels).
Operating Weight:
Lightweight, typically around 600-800 lbs.
Front Tire Size:
Example: 4.00-8 or 4.00-10.
Rear Tire Size:
Example: 8.3-16 or 9.5-16.
Safety Standards:
Pre-dates modern tractor safety regulations (e.g., ROPS, seatbelts were not standard). Manual will cover safe operating practices for the era.
Braking System:
Mechanical drum brakes or expanding shoe brakes, single-pedal or twin-pedal operation.
Operator Presence:
No modern operator presence systems. Emphasis on manual control and awareness.
Engine Oil Change:
Every 50 operating hours or annually, whichever comes first.
Air Filter Cleaning:
Check and clean every 25 operating hours, replace as needed.
Fuel Filter:
Replace annually or as needed.
Spark Plug:
Inspect and clean/gap every 100 operating hours, replace annually.
Engine Oil Capacity:
Typically around 1-2 quarts, exact specification in manual.
Transmission Hydraulic Fluid Capacity:
Typically around 3-4 quarts, exact specification in manual.
Grease Type:
General-purpose lithium-based grease.
Common Wear Items:
Carburetor gumming due to fuel degradation, ignition points and condenser wear, clutch wear, hydraulic cylinder seal leaks, PTO shaft wear.
Electrical Problems:
Wiring harness degradation, generator/charging system issues.
Engine Problems:
Carbon buildup, valve seat wear, potential for overheating in dusty conditions due to air cooling.
Heritage Overview:
International Harvester (IH) was a major American manufacturer of agricultural and construction machinery, trucks, and vehicles. Known for its robust and reliable equipment.
Cadet Line:
The 'Cadet' line was IH's entry into the lawn and garden tractor market, evolving from the Cub and Cub Cadet series. The '80' designation generally indicates an early model in the Cadet lineage.
Production Period:
The Cadet 80 series was produced in the early to mid-1960s (e.g., 1961-1965 range, specific years depend on exact sub-model).
Industry Awards:
As a model from the 1960s, specific industry awards for this particular tractor model are unlikely to be documented in a modern context. IH as a brand received numerous accolades for its agricultural machinery throughout its history.
Durability Reputation:
IH tractors of this era generally had a reputation for robust construction and durability, though specific performance ratings are not typically available in the manner of modern vehicles.
