Positioning:
The IH International Cadet Tractor 76 was a compact utility tractor designed for homeowner, small farm, and light industrial applications. It represented International Harvester's commitment to providing reliable and capable small-frame tractors.
Target Audience:
Owners, operators, mechanics, and service technicians looking for in-depth technical information to maintain, repair, and troubleshoot the International Harvester Cadet Tractor 76.
Competitors:
Competed with similar models from John Deere (e.g., 100 series), Ford (e.g., 10 series), and Cub Cadet during its production era.
Features:
Compact size, maneuverability, versatility for various implements, robust construction typical of IH equipment, user-friendly operation.
Systems:
Engine overhaul, transmission servicing, drivetrain, hydraulics, electrical system, chassis, steering, brakes, fuel system, cooling system, lubrication, bodywork, troubleshooting.
Powertrain:
Detailed coverage of engine, clutch, transmission, final drives, and differential.
Hydraulic System:
Includes pump, reservoir, filters, control valve, cylinders (for 3-point hitch and external cylinders), and associated plumbing.
Electrical System:
Wiring diagrams, starter, alternator/generator, battery system, lighting, and troubleshooting for electrical faults.
Procedures:
Complete disassembly and reassembly instructions, diagnostic procedures, repair techniques, component adjustments, routine maintenance, wiring diagrams, torque specifications, special tool requirements.
Engine Repair:
Engine rebuild procedures, piston ring replacement, bearing service, valve adjustments, cylinder head repair, fuel injector testing and replacement.
Transmission Repair:
Transmission disassembly/reassembly, gear replacement, clutch adjustment, PTO engagement issues, differential repairs.
Troubleshooting Guides:
Systematic fault-finding procedures for common problems, with diagnostic charts and symptom analysis.
Depth:
Comprehensive, covering from basic maintenance to complete engine and component rebuilds. Includes detailed schematics and diagnostic flowcharts.
Diagnostic Tools:
Information on necessary special tools and measurement equipment for accurate diagnostics and repairs.
Searchability:
Text-searchable PDF, allowing quick access to specific topics and keywords.
Print Quality:
High-resolution, optimized for clear printing of diagrams and text.
Diagram Clarity:
Clear and precise line drawings, schematics, and exploded views for accurate component identification and assembly guidance.
Binding Type:
N/A (Digital Download)
Paper Type:
N/A (Digital Download)
Engine Model:
IH 3-cylinder diesel (typically a variation of the D-154 or similar)
Engine Type:
Naturally Aspirated, Diesel
Displacement:
Approx. 154 cubic inches (2.5 Liters)
Horsepower Rated:
Approximately 24-28 PTO HP (net)
Torque Peak:
Specific peak torque figures vary, but designed for strong lugging power in its class.
Governor Type:
Mechanical governor for engine speed control.
Injection System:
Rotary injection pump (e.g., CAV or Bosch type)
Cooling Type:
Water-cooled
Oil Type:
API CD or CE rated Diesel Engine Oil (e.g., SAE 15W-40 or 10W-30 depending on ambient temperature). Refer to manual for exact IH specifications.
Oil Capacity:
Approx. 5.5-6 quarts (with filter change). Check manual for exact capacity.
Ignition Type:
Compression Ignition (Diesel)
Transmission Type:
Manual Transmission
Gear Speeds:
Typically 6 forward speeds and 2 reverse speeds (e.g., 6F-2R)
Optional Transmission:
Possible option for a creeper gear or high/low range, though less common for this specific model's primary configuration. Manual will detail all configurations covered.
Clutch Type:
Single dry plate clutch
Drive Type:
2WD (Rear Wheel Drive)
Rear Axle:
Differential lock (often foot-pedal activated) is a common feature for traction.
Transmission Fluid Type:
IH Hy-Trans fluid or equivalent SAE 80W-90 API GL-4 gear oil in the transmission and rear differential. Check manual for specific IH part numbers and approved alternatives.
Transmission Fluid Capacity:
Approx. 16-20 quarts (7.3-9.1 Liters). Consult manual for exact capacity.
Wheelbase:
Approximately 70-74 inches (178-188 cm). Specific value depends on exact configuration. Check manual.
Length:
Approximately 100-110 inches (254-279 cm). Check manual.
Width:
Varies by tire and wheel width, typically around 55-65 inches (140-165 cm) at the rear axle.
Height:
Approx. 55-60 inches (140-152 cm) to the top of the steering wheel or operator platform.
Operating Weight:
Approximately 2,500 - 3,000 lbs (1134 - 1361 kg).
Drawbar Pull:
Designed for light to medium draft implements. Refer to manual for specific drawbar horsepower and pull ratings.
Front Tire Size:
Commonly 5.00-15 or 6.00-16.
Rear Tire Size:
Commonly 11.2-24 or 12.4-24 agricultural tires.
Wheel Bolt Pattern:
Typical IH pattern for rear wheels, often 6-bolt. Consult manual for specific hubs.
Safety Standard:
Operated without modern ROPS (Roll-Over Protective Structures) or seat belts as standard equipment in its original configuration. Operation should adhere to safety guidelines, including the use of appropriate guarding and awareness of the machine's stability.
Active Safety:
Differential lock, independent PTO (if equipped), stable braking system (mechanical or hydraulic depending on variant).
Passive Safety:
Operator platform, fenders, PTO shield, brake pedal lock.
Engine Oil Change:
Every 100-200 operating hours or annually, whichever comes first. Refer to manual for specific interval.
Fuel Filter Change:
Every 250-500 operating hours or annually. Check manual for exact interval and procedure.
Air Filter Maintenance:
Check daily or weekly depending on operating conditions. Clean or replace as needed. Typically a dry element or oil bath type.
Transmission Fluid Change:
Every 500-1000 operating hours or bi-annually. Includes changing the hydraulic filter as well.
Hydraulic Filter Replacement:
Every 500-1000 operating hours or annually, alongside transmission fluid change.
Coolant Type:
Standard ethylene glycol antifreeze (50/50 mix with distilled water). Check manual for IH specific coolant additive recommendations.
Hydraulic Fluid Type:
IH Hy-Trans fluid or equivalent tractor hydraulic fluid (THF) / Universal Tractor Transmission Oil (UTTO). Specific IH part number should be verified.
Hydraulic System Capacity:
Approx. 5-7 gallons (19-26 Liters). Includes transmission, differential, and rear hydraulics. Verify with manual.
Common Wear Items:
Clutch wear, potential leaks from seals and hoses, wear on PTO splines, ignition system components (glow plugs, starter), hydraulic pump wear, radiator leaks.
Troubleshooting Focus:
Difficulty starting (glow plug issues, fuel system bleeding), loss of hydraulic power, transmission binding or noise, electrical system faults.
Brand History:
International Harvester (IH) was a major American manufacturer of agricultural and construction machinery. Founded in 1902, it was known for its robust and reliable equipment, including tractors, combines, and industrial machinery. IH played a pivotal role in mechanizing agriculture.
Model Lineage:
The Cadet series represented IH's entry into the compact tractor market, evolving from earlier models. The '76' designation typically indicates a specific model year or series within the Cadet line, likely from the 1970s, following on from earlier Cadet models and preceding later versions.
Production Era:
Likely produced in the mid to late 1970s, though specific year ranges should be confirmed via VIN or model plate. Production facilities were typically in the United States.
