Target Audience:
DIY enthusiasts, home mechanics, and professional repair shops working on IH Farmall Cub and Cub Lo-Boy tractors.
Manual Availability:
Described as a hard-to-find manual, implying high value for owners.
Content Emphasis:
Focus on detailed repair information, specifications, and step-by-step instructions.
Usability:
Easy to read, zoomable, printable, savable, and searchable within PDF.
Engine Repair:
Complete engine overhauls, diagnostics, and component repair.
Fuel System Coverage:
Carburetor adjustments, fuel pump service, fuel line maintenance, filter replacement.
Steering And Front Axle:
Service, adjustments, and repair of steering components and front axle.
Clutch Service:
Engine clutch disassembly, inspection, adjustment, and replacement.
Transmission And Differential:
Repair and maintenance of the gearbox, shifting mechanisms, and differential.
Power Takeoff Pto And Belt Pulley:
Service and repair of PTO engagement, belt pulley system.
Final Drive And Brakes:
Maintenance and repair of final drive assemblies, brake system components, and adjustments.
Hydraulic System Coverage:
Troubleshooting, repair, and maintenance of the tractor's hydraulic system.
Electrical System Service:
Wiring diagrams, component testing, battery, starter, generator/alternator service.
Teardowns And Reassembly:
Detailed procedures for complete disassembly and reassembly of major tractor components.
Adjustments And Calibrations:
Step-by-step instructions for all essential adjustments and calibrations.
Troubleshooting Guides:
Diagnostic information and common problem identification for various systems.
Complexity Level:
Suitable for complex repairs and comprehensive servicing.
Detail Level:
High detail with clear pictures and exploded views for accurate identification and repair.
Viewer Compatibility:
Adobe Acrobat Reader (free download)
Scalability:
Document is scalable to several times normal size.
Clarity:
Very clear and clean pages with detailed pictures.
Illustration Count:
Tons of illustrations
Delivery Method:
Digital Download (PDF)
Print Flexibility:
Printable on demand, page by page or in sections.
Digital Medium:
Electronic file, no physical shipping required.
Engine Type:
IH 4-Cylinder, Overhead Valve (OHV) gasoline engine (typically C-60 or CC-60 series).
Displacement:
60.2 cubic inches (987 cc)
Bore X Stroke:
3.0625 inches x 3.000 inches (77.8 mm x 76.2 mm)
Compression Ratio:
Approximately 6.5:1 (varies by specific engine variant)
Carburetor:
Typically Zenith, Marvel-Schebler, or similar updraft/downdraft carburetor.
Oil Capacity:
Approximately 4 quarts (3.8 L) with filter.
Oil Type:
API Service Classification SC, SD, SE, or SF; SAE 30 or 10W-30 (check manual for specific recommendations based on temperature).
Engine Oil Change:
Typically every 50-100 operating hours or annually, whichever comes first (refer to manual for precise intervals).
Air Filter Cleaning:
Regular inspection and cleaning/replacement, especially in dusty conditions.
Fuel Filter Replacement:
Recommended at regular intervals or if fuel flow issues are suspected.
Transmission Fluid:
API GL-4 Gear Oil, SAE 90W or 80W-90.
Hydraulic Fluid:
IH Hy-Trans fluid or equivalent UTF (Universal Tractor Transmission Fluid); consult manual for specific IH part numbers or equivalents.
Carburetor Wear:
Common for older carburetors to develop wear and require rebuilding or replacement.
Ignition System:
Points, condenser, and coil wear can affect starting and running.
Sealing Leaks:
Age-related wear on seals and gaskets can lead to oil and hydraulic fluid leaks.
Pto Engagement:
Issues with PTO engagement or disengagement can stem from wear in the clutch pack or linkage.
Parent Company:
International Harvester (IH).
Introduction Year:
The Farmall Cub was introduced in 1947.
Cub Lo Boy Variant:
The Cub Lo-Boy was introduced later, offering a lower profile for garden and landscaping tasks.
Production Span:
The Cub series was produced for many decades, with significant updates and variations.
Cub Cadet Origin:
Cub Cadet was initially a line of garden tractors developed by IH starting in 1961, building upon the Cub platform and expertise.
Mtp Acquisition:
Cub Cadet brand was sold by International Harvester to MTD Products in 1981.
