Segment:
Sub-compact utility tractors (garden tractors/lawn tractors)
Competitors:
John Deere Lawn & Garden Tractors, Massey Ferguson Compact Tractors, Ford Lawn & Garden Tractors, Cub Cadet (early models).
Versatility:
Designed for a wide range of property maintenance tasks, including mowing, tilling, snow removal, and light hauling.
Durability:
IH's reputation for robust construction in agricultural machinery extended to their Cadet line.
Audience:
Homeowners with larger properties, small farms, groundskeepers, collectors and restorers of vintage IH equipment.
Engines:
All gasoline engine variants used across the specified Cadet models.
Transmissions:
All transmission types (e.g., manual, hydrostatic) fitted to the specified Cadet models.
Systems:
Engine, fuel system, ignition system, lubrication system, cooling system, electrical system, transmission, clutch, PTO (Power Take-Off), hydraulic system, steering system, braking system, chassis, front axle, rear axle, bodywork, operator controls, attachments.
Estimated Pages:
Comprehensive (exact count not specified, but typical for workshop manuals of this era covering multiple models would be 300-600+ pages).
Type:
Workshop Service Repair Manual
Engine Mechanical:
Complete overhaul procedures, component diagnostics, cylinder head, pistons, connecting rods, crankshaft, camshaft, valve train, timing, engine assembly/disassembly.
Fuel System:
Carburetor adjustment and overhaul, fuel pump, fuel lines, fuel filter replacement.
Ignition System:
Spark plugs, ignition coil, distributor, timing adjustment, wiring diagrams.
Lubrication Cooling:
Oil pump, oil filter, oil passages, cooling fan, radiator, thermostat, coolant specifications.
Transmission Drivetrain:
Gearbox disassembly and assembly, clutch service, PTO engagement and maintenance, drive shaft, differential, final drives.
Hydraulic System:
Hydraulic pump, control valves, cylinders, hoses, fluid specifications, troubleshooting hydraulic lift issues.
Electrical System:
Wiring diagrams for all models, starter motor, generator/alternator, battery service, lighting, charging system troubleshooting.
Brakes Steering:
Brake adjustment, component replacement (pads, shoes, drums/discs), steering linkage, tie rods, wheel alignment.
Chassis Body:
Frame inspection, body panel repair, fender mounting, seat adjustments, control lever linkages.
Maintenance:
Routine maintenance checks, lubrication points, oil change intervals, filter replacement procedures, greasing schedules.
Troubleshooting:
Diagnostic flowcharts, symptom-based troubleshooting for common problems across all covered systems.
Repair Overhaul:
Detailed step-by-step instructions for component removal, repair, reassembly, and installation.
Adjustment:
Carburetor settings, ignition timing, brake adjustments, clutch pedal free play, PTO engagement settings.
Specifications Data:
Torque specifications for critical fasteners, engine clearances, timing marks, fluid capacities, electrical resistance values.
Depth:
Comprehensive workshop level covering complete engine rebuilds, transmission overhauls, and detailed diagnostic procedures.
Typical Displacement:
Varies by model, typically ranging from 8 to 18 cubic inches (approx. 131cc to 295cc). Common engines included IH's own small vertical shaft engines and potentially engines from manufacturers like Kohler or Briggs & Stratton.
Engine Type:
Air-cooled, single-cylinder, four-stroke gasoline engines.
Horsepower Range:
Approximately 7 to 18 horsepower, depending on the specific model and engine variant.
Torque Characteristics:
Designed for steady power delivery at lower RPMs, suitable for PTO-driven implements and variable ground speeds.
Carburetor Type:
Updraft or downdraft carburetors, specific model dependent (e.g., Marvel-Schebler, Zenith).
Fuel Type:
Unleaded gasoline
Oil Type:
Typically SAE 30 or SAE 10W-30 for air-cooled engines. Consult manual for precise specifications.
Ignition Type:
Battery and coil ignition with a breaker point distributor.
Transmission Type:
Manual gearbox with multiple forward and reverse gears. Common configurations include 3-speed, 4-speed, or 8-speed (split transmission).
Optional Transmission:
Some later models may have featured a hydrostatic transmission option.
Pto System:
Rear-mounted Power Take-Off (PTO) shaft, typically 540 RPM, for driving implements.
Clutch:
Dry single-plate clutch.
Differential Lock:
Often equipped with a differential lock for improved traction in difficult terrain.
Wheelbase:
Varies by model, typically around 40-50 inches.
Overall Length:
Varies by model, typically around 60-75 inches.
Overall Width:
Varies by model, typically around 35-45 inches (excluding attachments).
Operating Weight:
Approximately 400-700 lbs, depending on configuration and attachments.
Tongue Weight Capacity:
Variable, dependent on hitch type and tractor configuration.
Engine Oil Change:
Typically every 25-50 operating hours or annually, whichever comes first. Consult manual for exact recommendation.
Air Filter Service:
Check and clean at 25-hour intervals, replace annually or as needed based on operating conditions.
Spark Plug Replacement:
Inspect at 100-hour intervals, replace as needed. Gap setting critical.
Transmission Oil:
IH HyTran or equivalent tractor hydraulic fluid/transmission oil. Manual for specific type and capacity.
Hydraulic Fluid:
IH HyTran or equivalent tractor hydraulic fluid. Manual for type and capacity.
Gear Oil:
Check manual for differential and transaxle gear oil specifications (e.g., SAE 90 hypoid).
Carburetor Issues:
Clogged jets, worn float needles leading to rich or lean conditions, difficulty in maintaining stable idle speed.
Electrical System Degradation:
Corroded wiring, failing ignition points, weak battery, generator output issues.
Transmission Wear:
Worn gears, synchros (in manual transmissions), or hydraulic pump/valve issues (in hydrostatic transmissions).
Hydraulic Lift Problems:
Weak hydraulic lift, slow raising of implements, leaks in cylinders or lines.
Manufacturer Origin:
International Harvester (IH), a major American manufacturer of agricultural machinery and vehicles, established in 1902.
Cadet Line Start:
The International Cadet line was introduced in 1960, marking IH's entry into the consumer lawn and garden tractor market.
Specific Models Era:
Models 76 through 382 represent various iterations and power upgrades within the Cadet line during the 1960s and early 1970s.
Manufacturing Plant:
Primarily manufactured at IH's farm equipment plants, notably in Louisville, Kentucky, and Rock Island, Illinois.
