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Basic Information
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Identification
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Make:
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International Harvester (IH)
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Product Line:
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Cub Cadet
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Model Range:
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73, 106, 107, 126, 127, 147
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Generation
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Primary Generation Covered:
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Early Cub Cadet Garden Tractors
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Codes
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Model Code Interpretation:
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The numbers generally correspond to horsepower ratings (e.g., 106 likely around 10.6 HP).
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Introduction
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Market Position
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Historical Segment:
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Premium garden and utility tractors during the International Harvester era.
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Competitive Analysis
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Contemporary Competitors:
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John Deere Lawn & Garden Tractors, Simplicity Garden Tractors, Wheel Horse Garden Tractors, Allis-Chalmers Garden Tractors.
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Key Features
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Reputation:
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Known for dependability and rugged construction, often with a cult-like following.
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Manual Value Proposition:
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Provides comprehensive, detailed, and hard-to-find information for DIY servicing and complex repairs.
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Historical Context
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Manual Acquisition Era:
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July 1979 (indicating it's an original or period-accurate reproduction).
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Manual Coverage
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Systems Covered
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Engine System:
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Engine specifications, special torques, compression checks, general information, removal, disassembly, inspection, repair, reassembly, fuel system (carburetor adjustments, disassembly, cleaning, reassembly), governor (adjustments, throttle control)
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Chassis System:
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Chassis specifications, general information, steering assembly, front wheels and bearings, front axle, clutch, brakes, splitting and recoupling the tractor, reduction drive, transmission and differential, rear axle, hydrostatic transmission (removal, installation, adjustments), creeper drive, front PTO clutch, rear PTO clutch, electric power lift
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Electrical System:
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Battery ignition, motor generator, current voltage regulator, ignition timing
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Procedures Included
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Maintenance Procedures:
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Regular servicing, adjustments, fluid checks and changes (implied for engine and transmission), ignition timing
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Repair Procedures:
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Detailed step-by-step repair instructions for all covered systems, including engine rebuilds, transmission overhauls, brake adjustments, steering repair
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Troubleshooting:
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Implied through detailed diagnostic information and repair procedures for common issues
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Technical Depth
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Depth Of Coverage:
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Comprehensive, covering complex repairs, complete teardowns, and detailed specifications.
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Diagnostic Support:
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Includes specific checks like compression tests and ignition timing procedures.
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Special Tool Information:
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Mentioned as included.
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Engine Specifications
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Primary Engine
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Engine Manufacturer Typical:
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Kohler or Briggs & Stratton (common for this era of Cub Cadets, specific to model)
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Engine Type Typical:
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4-stroke, L-head, air-cooled gasoline engines
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Performance
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Horsepower Range:
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Approximately 7 HP (73) to 14 HP (147), based on model numbers.
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Engine Block Material Typical:
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Cast Iron
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Fuel System
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Fuel Type:
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Gasoline
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Carburetor Type:
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Various models, with detailed adjustment and disassembly procedures provided.
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Ignition System
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Ignition Type:
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Battery Ignition System
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Transmission
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Standard
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Transmission Type Standard:
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Manual Gearbox (e.g., 3-speed, 4-speed, 8-speed depending on model)
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Optional
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Transmission Type Optional:
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Hydrostatic Transmission (for specific models like 107, 127, 147)
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Features
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Transmission Operation:
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Covers standard gear shifting and hydrostatic drive operation, including adjustments.
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Drivetrain
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Drive Type:
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Rear Wheel Drive
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Differential
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Differential Locking:
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Limited-slip differential or standard differential depending on specific model and configuration.
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Maintenance
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Service Intervals
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Engine Oil Change Interval:
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Typically every 25-50 operating hours or annually, as specified in the manual.
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Air Filter Maintenance:
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Check and clean/replace frequently, especially in dusty conditions.
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Spark Plug Replacement:
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Typically every 100-200 operating hours or annually.
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Fluid Specifications
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Engine Oil Type:
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SAE 30W or 10W-30 (depending on climate and engine manufacturer, specified in manual).
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Transmission Fluid Type Manual:
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Gear Lube (e.g., GL-4 80W-90, specified in manual).
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Transmission Fluid Type Hydrostatic:
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Specific hydrostatic fluid or compatible hydraulic fluid (e.g., Dexron II or equivalent, specified in manual).
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Known Issues
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Common Wear Points:
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Steering components (tie rods, bushings), clutch engagement mechanism, PTO engagement, hydrostatic pump/motor wear, carburetor gumming.
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Fuel System Aging:
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Ethanol in modern fuels can degrade older rubber fuel lines and seals; consideration for ethanol-resistant components is often needed.
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Parts Availability
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Parts Sourcing:
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Many common wear parts are still available through specialized Cub Cadet parts dealers or aftermarket suppliers.
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Vehicle History
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Brand Heritage
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Origin Brand:
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International Harvester (IH), a major American manufacturer of agricultural and industrial equipment.
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Model Evolution
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Cub Cadet Line Establishment:
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Cub Cadet line introduced in 1961, aiming at the homeowner market with robust, lawn-friendly tractors.
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Specific Model Era:
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These models (73, 106, 107, 126, 127, 147) represent the mid-to-late 1970s era of Cub Cadet design.
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Production
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Manufacturing Location Typical:
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Originally manufactured by International Harvester in the United States.
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Ownership Change
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Mtp Acquisition:
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MTD Products acquired the Cub Cadet brand from International Harvester in 1981.
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