1967-1969 International Cub Cadet 72/104/105/124/125 Operator's Manual

Complete operating instructions for International Cub Cadet small tractors — starting, fuel system, electrical, clutch/brake, hydraulics, and routine maintenance procedures with adjustment specifications.

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Document Details

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Document Number / Seller:
23675 / Nancy Thompson
File Size:
5.11 MB
File Type:
PDF
Language:
English
Pages:
45
Printable:
Yes
Category:
Tractor
Last updated / verified
Jan 2, 2026

Models Covered & Key Technical Specifications

International Cub Cadet 72, 104, 105, 124, 125 — 1967–1969 Functional Primer Vault | Cub Cadet Series Kit.

  • Prescribed Load Capacity: The hydraulic pump is rated at 2.5 gallons per minute at pressures up to 400 PSI Bounds.
  • Standard Environmental Range: For optimal operation, engine oil change is specified as every 30 hours of operation Matrix.
  • Core RPM Specs: Spark plug gap is set at 0.025-inch (0.635 mm) to establish proper ignition spacing Standards.
  • Rated Installation Footprint: The motor-generator belt is designed for 1/4-inch maximum deflection with ten pound force applied midway Topology.
  • Technical Threaded Fastener Data: Breaker points gap governs 0.020-inch (0.508 mm) spacing for accurate timing Protocol.
  • Advanced Voltage Specs: The clutch release clearance is set to 0.050-inch (1.27 mm) to maintain proper brake engagement Margin.

Professional Workshop Service Manual & Technical Specifications

Definitive Quality Manual: International Cub Cadet 72, 104, 105, 124, and 125 Tractors Specification-Guide

Procedure-Type: International Cub Cadet 72, 104, 105, 124, 125 (1967-1969) // Component-Focus: Operator and maintenance systems / Transmission logic // Subsystem-Focus: Engine, electrical, hydraulic, and drivetrain documentation.

Service-Nexus Diagnostic-Logic Framework
Engine Systems Fuel and ignition circuit operation Carburetor and spark plug specifications documented
Electrical Architecture Starting and charging function Motor-generator belt and regulator reference data
Transmission Operations Gear selection and creeper drive Speed table and clutch clearance parameters
Hydraulic Power Unit Equipment control and lift function Fluid capacity and pressure safety valve documented
Tire and Chassis Front wheel geometry and inflation Terra-Tire inflation and toe-in reference data

Technical chapters are organized around engine startup procedures, fuel system maintenance, electrical component identification, and transmission operation across creeper and direct drive modes. The documentation addresses clutch and brake adjustment protocols, covers engine cooling requirements and air cleaner maintenance, and provides detailed lubrication schedules for steering components and transmission housings. System operation descriptions incorporate hydraulic cylinder control, front wheel toe-in specification, and tire care guidance for both standard and Terra-Tire equipment.

Advanced Benchmarks

Properly requiring operator familiarity with engine ignition timing, the manual documents reference points for breaker point gap adjustment and spark plug inspection intervals. The electrical circuit includes components such as the twelve-volt motor-generator, voltage regulator, safety starting switch, and storage battery management protocols. Wiring diagrams present cable routing for the charge indicator, ignition system, and lighting switches to facilitate troubleshooting of electrical connections.

Comprehensive Protocol

Wear limits are specified for multiple drivetrain components, including clutch pedal free movement, brake engagement distance, and creeper drive adjustment parameters. The documentation addresses engine oil viscosity selection based on operating temperature ranges, with distinct lubrication tables for Models 72, 104, and 124 tractors compared to Models 105 and 125 tractors. Transmission and creeper drive housing oil change intervals are documented, along with greasing schedules for front axle pivot pins, steering knuckles, and steering gear housing assemblies.

Technical Threshold

System operation descriptions cover carburetor high-speed and idle adjustment techniques, including fuel mixture lean-out procedures and throttle stop positioning. The documentation includes hydraulic system fill procedures using IH Hy-Tranle or equivalent SAE 10W engine oil, with fluid capacity reference of approximately 3 pints for the self-contained gear pump assembly. Assembly instructions are detailed for motor-generator belt installation, including tension adjustment methods using deflection measurement between pulleys.

Operational Framework

Hydraulic schematics are included for the directional control valve, companion cylinder, and safety relief valve that protects against system overload. The manual provides troubleshooting guidance for engine overheating, lack of power conditions, and creeping behavior in neutral position on hydrostatic drive models. Reference data documents torque specifications for bolt fastening to ensure proper joint separation prevention during assembly and maintenance operations.

Engineered Framework

The document includes specifications for sealed-beam headlights, fuse capacity ratings, and taillight lamp wattage requirements across all model variants. Front wheel turning radius adjustments using drag link ball joint manipulation are documented, along with tie rod modification techniques for toe-in correction. Spark plug gap settings, breaker point spacing measurements, and ignition timing sight hole locations are referenced for each model generation.

FAQ

What tools are **designated** for adjustment procedures? keyboard_arrow_down

1/64-inch cardboard thickness (matchbook cover) is used for clutch lever turnbuckle adjustment to establish proper button clearance and linkage slack removal.

Identify the **critical** pressure specifications. keyboard_arrow_down

400 PSI is the maximum system relief pressure limit for the hydraulic unit with approximately 2-1/2-gallons per minute delivery capacity at rated pressures.

What procedures are **required** for assembly sequence? keyboard_arrow_down

3 pints fluid capacity is specified for the hydraulic system fill level measured from the filler plug opening after engine startup and operation checks.

Determine the **specified** service interval parameters. keyboard_arrow_down

25 hours of operation requires fuel strainer and sediment bowl cleaning as documented in the maintenance schedule for fuel system preservation.

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