Target Audience:
Professional technicians and DIY mechanics performing repairs and maintenance on the IH Cub Cadet 125 Tractor.
Value Proposition:
Provides in-depth, manufacturer-approved information to reduce reliance on expensive dealer labor, enabling owners to perform their own repairs and maintenance.
Accessibility:
Instant download offers immediate access to critical service information without shipping delays.
Usability:
Printable sections allow for convenient use in a workshop environment, protecting the digital copy.
Completeness:
Covers a wide range of repair and maintenance topics, including detailed troubleshooting and overhaul procedures.
Engine Service:
Detailed overhaul and repair procedures for the engine, including disassembly, assembly, component testing, and specifications.
Fuel System:
Information on fuel delivery, carburetor adjustment and overhaul, fuel lines, and filters.
Ignition System:
Details on spark plugs, ignition timing, coil, and condenser (if applicable).
Lubrication System:
Oil change procedures, oil filter replacement, oil pressure specifications, and lubrication points.
Cooling System:
Radiator service, coolant specifications, thermostat replacement, and water pump procedures (if liquid-cooled).
Electrical System:
Includes wiring diagrams, starter motor, alternator/generator, battery service, lighting, and switchgear.
Transmission Service:
Repair and overhaul procedures for the gearbox, clutch, and drive components.
Hydraulic System:
Information on hydraulic pump, cylinders, control valves, and fluid specifications for implement operation (if equipped).
Steering System:
Service and adjustment of the steering mechanism.
Brake System:
Brake adjustment, drum/disc service (depending on configuration), and hydraulic brake system information.
Chassis And Frame:
Frame inspection and repair, front axle, rear axle, and hitch assembly.
Body And Sheet Metal:
Fender repair, hood maintenance, and general bodywork.
Routine Maintenance:
Periodic maintenance charts, lubrication schedules, fluid checks, and filter replacements.
Step By Step Repair Instructions:
Detailed, illustrated guides for all major repair and overhaul procedures.
Troubleshooting Guides:
Systematic approaches to diagnosing and resolving common and uncommon problems.
Overhaul Procedures:
Complete disassembly, inspection, repair, and reassembly instructions for major components like the engine and transmission.
Wiring Diagrams:
Comprehensive electrical schematics for troubleshooting and repair of the electrical system.
Adjustment Procedures:
Setting ignition timing, carburetor adjustments, brake adjustments, and clutch adjustments.
Torque Specifications:
Essential torque values for critical fasteners during assembly and disassembly.
Depth:
Suitable for professional technicians and advanced DIY mechanics. Covers everything from routine maintenance to complete engine and transmission rebuilds.
Printability:
Full Printable
Zoom Capability:
YES (Zoom IN/OUT functionality)
Binding:
N/A (Digital Download - PDF)
Paper:
N/A (Digital Download - PDF)
Software Requirements:
Adobe PDF Reader & WinRAR
Operating System Compatibility:
All Versions of Windows & Mac
Delivery Method:
Instant Download
Engine Type:
Likely a single-cylinder, air-cooled gasoline engine (common for Cub Cadet models of this era).
Displacement:
Specific displacement not provided, but typically in the 8-16 cubic inch range for similar models.
Bore Stroke:
Details to be found within the manual.
Horsepower:
Estimated 8-12 HP, depending on exact engine variant. Specific ratings will be in the manual.
Torque:
Specific torque figures to be detailed in the manual.
Fuel Type:
Unleaded gasoline
Carburetor:
Specific make and model of carburetor (e.g., Marvel-Schebler, Rochester) and its service procedures will be covered.
Transmission Type:
Likely a manual gearbox with multiple forward and reverse gears (e.g., 3-speed, 4-speed, or a creeper drive).
Optional Features:
Some Cub Cadet models had hydrostatic transmissions, though the 125 might have been primarily manual. Manual will clarify.
Clutch Type:
Dry single-plate clutch
Drive System:
Shaft-driven rear axle, often with differential lock capability.
Engine Oil Change:
Typically every 25-50 operating hours or annually. Specific interval will be in the manual.
Air Filter Cleaning Replacement:
Frequent checks and cleaning are recommended, especially in dusty conditions. Replacement interval will be specified.
Spark Plug Replacement:
Typically every 100-200 operating hours or annually. Manual will provide specific type and gap.
Gearbox Oil Change:
Annual or every 100-200 operating hours. Manual will specify oil type and capacity.
Engine Oil Type:
Likely SAE 10W-30 or 10W-40 gasoline engine oil. Manual will specify the exact viscosity and API service classification.
Gearbox Oil Type:
Likely SAE 90 gear oil or a specified multi-grade transmission fluid. Manual will confirm.
Hydraulic Fluid Type:
If hydraulic system is present, likely IH Hytran or a suitable universal tractor transmission fluid (UTTO). Manual will specify.
Coolant Type:
If liquid-cooled, standard ethylene glycol-based coolant. Manual will specify mixture ratio and capacity.
Common Wear Items:
Clutch friction plate, brake shoes/pads, starter brushes, and carburetor diaphragms/gaskets are common wear items.
Electrical Contacts:
Corrosion or wear on electrical contacts and switches can lead to intermittent operation.
Carburetor Issues:
Gumming and clogging of the carburetor due to stale fuel or dirt are common if not properly maintained.
Manufacturer Legacy:
International Harvester (IH) has a long and storied history in agricultural and industrial machinery, with Cub Cadet being a prominent line of compact tractors.
Cub Cadet Line:
The Cub Cadet line began in the early 1960s, evolving from the original International Harvester Cub. The 125 represents a later iteration with more advanced features for its time.
Production Period:
Specific production years for the Cub Cadet 125 are typically in the early to mid-1970s. Manual will confirm exact model year applicability if there are variations.
