Make:
International Harvester (IH)
Model:
Cadet 55, 75, 85, 85 Special, 95
Production Era:
Mid-to-late 1970s (specific years vary by model variant)
Model Codes:
IH Cadet 55, 75, 85, 85 Special, 95 (specific internal IH model designations may exist and would be detailed in the manual).
Target Audience:
Owners and technicians of International Harvester Cadet tractors seeking to perform maintenance, diagnostics, and repairs.
Value Proposition:
Provides essential technical information and procedures critical for maintaining and repairing these vintage IH tractors, preserving their operational value.
Repair Focus:
Focuses on practical, hands-on repair and maintenance procedures, essential for the longevity of agricultural equipment.
Systems Covered:
Engine, Fuel System, Ignition System, Cooling System, Lubrication System, Clutch, Transmission, Rear Axle, Steering, Brakes, Hydraulics (Lift-All/Powr-Lift), Electrical System, Chassis, Body
Model Variants:
Specific sub-models and variations within the 55, 75, 85, 85 Special, and 95 series are typically covered, addressing minor differences.
Estimated Pages:
Approximately 300-500 pages (typical for comprehensive workshop manuals of this era, exact count not provided in product description)
Type:
Workshop Service Manual / Repair Manual
Engine Overhaul:
Complete overhaul procedures, including disassembly, inspection, component replacement, and reassembly for IH/Continental engines.
Transmission Repair:
Detailed instructions for repair and adjustment of the transmission, including gear sets, bearings, and shifting mechanisms.
Hydraulic System:
Coverage of the Powr-Lift or Lift-All hydraulic system, including pump, cylinders, control valves, and associated plumbing.
Electrical Diagnostics:
Wiring diagrams, troubleshooting guides for charging system, starting system, lighting, and instrumentation.
Steering System:
Manual steering and power steering (if equipped) service, including linkage, gearbox, and components.
Brake System:
Detailed inspection, adjustment, and repair of the braking system.
Front Axle And Steering Linkage:
Service and repair for front wheel spindles, kingpins, tie rods, and steering arms.
Scheduled Maintenance:
Routine maintenance tasks, lubrication charts, fluid change intervals, and filter replacement procedures.
Troubleshooting Guides:
Systematic diagnostic procedures for identifying and resolving common and uncommon operational issues.
Component Replacement:
Step-by-step instructions for replacing major and minor components, including torque specifications.
Rebuild Procedures:
Detailed instructions for rebuilding key components like the engine, transmission, and hydraulic pump.
Wheel Alignment And Adjustment:
Procedures for checking and adjusting front-end alignment and wheel bearings.
Depth:
Comprehensive, suitable for professional mechanics and experienced DIY users. Covers everything from basic adjustments to complete engine and transmission rebuilds.
Diagnostic Charts:
Includes fault-finding charts and troubleshooting trees to systematically diagnose problems.
PDF Quality:
High-resolution scans with searchable text (typical for reputable PDF manuals, assumes quality of provider).
Searchability:
Searchable PDF content allows for quick retrieval of information by keyword.
Printability:
Printable pages for physical use in a workshop environment.
Binding:
N/A (Digital PDF)
Paper Type:
N/A (Digital PDF)
Manual Completeness:
Full workshop manual coverage for the specified models.
Engine Family:
IH/Continental gasoline and diesel engines (specific displacements vary by model).
Typical Displacement:
Commonly 2.3L to 3.0L (140-182 cubic inches) for gasoline variants; diesel options also available in some models.
Engine Types:
Vertical, 3- or 4-cylinder, liquid-cooled, overhead valve (OHV) gasoline engines; diesel variants available.
Horsepower Range:
Typically 20-35 PTO horsepower, depending on model and engine configuration.
Torque Specifications:
Specific torque values for critical engine components will be detailed in the manual.
Carburetion:
Typically Zenith or Marvel-Schebler carburetors for gasoline engines.
Injection:
Diesel models utilize injection pumps from manufacturers like Stanadyne or Roosa Master.
Spark Plugs:
Specific spark plug types, gap settings, and firing order provided.
Timing:
Ignition timing specifications and adjustment procedures.
Gearbox:
Manual transmission with multiple forward and reverse gears.
Powershift:
Some models may have offered optional speed multipliers or range transmissions, details would be in manual.
Differential Lock:
Standard on most models for enhanced traction.
Pto:
540 RPM Power Take-Off (PTO) is a common feature, with engagement and maintenance covered.
Wheelbase:
Varies by model, typically around 70-75 inches.
Length:
Varies by model, typically around 110-120 inches.
Operating Weight:
Approximately 2500-3500 lbs, depending on configuration and ballast.
Drawbar Capacity:
Specific drawbar pull and lift capacities detailed in manual.
Rollover Protection:
ROPS (Roll Over Protective Structure) not standard on original models; aftermarket options and installation procedures may be covered in supplemental data if available, but typically not in core manuals of this era.
Braking System:
Drum brakes or mechanical disc brakes, with adjustment and maintenance procedures detailed.
Operator Station:
Open operator station; manual emphasizes safe operating practices.
Oil Change Engine:
Typically every 50-100 operating hours or annually; specific interval detailed in manual.
Transmission Oil:
Change at specified intervals (e.g., annually or every 500 hours), manual will provide exact figures.
Hydraulic Fluid:
Fluid and filter changes at recommended intervals to maintain system performance.
Engine Oil:
API Service Classification CD or SE/SF, SAE 30 or 10W-30 depending on climate. Specific IH or industry-equivalent grades provided in manual.
Transmission Fluid:
IH Hytran or equivalent UTF (Universal Tractor Transmission Fluid) for transmission, hydraulic, and final drive systems. Manual will specify grade and capacity.
Coolant Type:
Ethylene glycol based antifreeze, typically a 50/50 mix with distilled water. Manual specifies type and capacity.
Gear Oil Rear Axle:
Specify grade (e.g., SAE 90 API GL-4) and capacity for differential and final drives.
Engine Wear:
Potential for wear in valve guides, piston rings, and main bearings due to age and usage. Manual covers inspection and reconditioning.
Hydraulic Leaks:
Common issues include worn hydraulic pump seals, control valve seals, and cylinder seals. Manual details repair procedures.
Carburetor Issues:
Gumming and clogging of carburetors are frequent issues with older gasoline engines. Manual provides adjustment and rebuild procedures.
Electrical Corrosion:
Corrosion in wiring connectors and switches can cause intermittent electrical problems. Manual provides troubleshooting for these.
Transmission Grinding:
Potential for worn synchronizers or shift forks, manual covers inspection and replacement.
Manufacturer:
International Harvester (IH), a major American manufacturer of agricultural and construction equipment.
Cadet Line:
The Cadet line represented IH's entry into the utility and sub-compact tractor market, evolving through various series and horsepower ratings.
Manufacturing Locations:
Primarily manufactured in the United States.
Legacy:
These tractors are known for their robust build and are still sought after by collectors and users for property maintenance.
