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International Harvester

International Harvester IH Farmall Cub & Cub Lo-Boy Tractor Workshop Service & Repair Manual

International Harvester IH Farmall Cub & Cub Lo-Boy Tractor Workshop Service & Repair Manual

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Machine data plateRef 51325
Brand
International Harvester
Equipment
Tractors
Models covered
CUB
Format
PDF, searchable, print-ready
Delivery
Instant download after checkout
Language
English

What happens after you pay

  • Download link opens on the order page immediately
  • The same link is emailed to you — re-download any time
  • Open on phone, tablet or PC; print only the pages you need
  • Not sure it covers your serial range? Ask us before you buy
🏷️ Basic Information
Identification
Make:
International Harvester (IH)
Model:
Farmall Cub and Cub Lo-Boy
Model Variant:
Cub, Cub Lo-Boy
Production Years:
1947 to 1979 (Farmall Cub); 1955 to 1975 (Cub Lo-Boy)
👋 Introduction
Target Audience
Intended Users:
Technicians, mechanics, and DIY owners seeking to service and repair their IH Farmall Cub or Cub Lo-Boy tractor.
Competitive Advantages
Advantage:
Comprehensive step-by-step instructions with detailed exploded views, covering all major systems, suitable for both professional and amateur mechanics.
Key Features
Feature:
Printable PDF format compatible with PC, Mac, tablet, and smartphone.
Feature:
Instant download after payment, no shipping or waiting.
Feature:
Covers engine, fuel system, steering, front wheels, front axle, splitting and recoupling the tractor, clutch, transmission, differential, PTO, belt pulley, final drive, brakes, hydraulic system, electrical system, maintenance, and technical specifications.
📋 Manual Details
Coverage
Models Covered:
International Harvester Farmall Cub and Cub Lo-Boy tractors
Production Years Covered:
1947 to 1979 (Farmall Cub); 1955 to 1975 (Cub Lo-Boy)
Physical Attributes
Page Count:
N/A - not specified; digital manual with extensive content
Manual Type:
Workshop Service Repair Manual
Language:
English
Format and Delivery
File Format:
PDF
Delivery Method:
Instant download upon payment completion
📖 Manual Coverage
Systems Covered
Engine:
Complete engine overhaul and repair procedures
Fuel System:
Carburetor, fuel pump, fuel lines, and adjustments
Steering:
Steering gear, linkage, and adjustments
Front Wheels:
Wheel removal, bearing service, and alignment
Front Axle:
Axle removal, disassembly, and reassembly
Splitting and Recoupling the Tractor:
Procedures for separating and rejoining the tractor for major repairs
Engine Clutch:
Clutch adjustment, repair, and replacement
Transmission:
Disassembly, inspection, and repair of transmission components
Differential:
Differential service and overhaul
Power Take Off (PTO):
PTO operation, repair, and maintenance
Belt Pulley:
Belt pulley assembly and service
Final Drive:
Final drive components and repair
Brakes:
Brake adjustment, lining replacement, and hydraulics
Hydraulic System:
Hydraulic pump, valves, cylinders, and troubleshooting
Electrical System:
Wiring diagrams, charging system, and troubleshooting
Procedures Included
Inclusions:
Step-by-step instructions with detailed exploded pictures for correct and efficient completion of jobs.
Maintenance:
Routine maintenance schedules and procedures
Technical Information:
Comprehensive technical data and specifications
Technical Depth
Complexity:
Designed for both professional technicians and DIY owners with varying skill levels.
Level of Detail:
In-depth, covering all major systems with detailed instructions.
Parts Information
Parts Lists:
N/A - not explicitly mentioned; however, technical specifications are included.
📊 Manual Specifications
File Format
File Type:
PDF
Compatibility:
Windows PC, Mac, tablet, smartphone
Requirements:
PDF reader software (e.g., Adobe Acrobat Reader)
Searchability:
Digital PDF allows text search if enabled; not explicitly stated.
Print Quality
Printing:
High-quality, printable on standard paper
Binding and Paper
Binding Type:
Digital - no physical binding
Paper Type:
N/A - digital product
⚙️ Engine Specifications
Engine Options
Primary Engine:
4-cylinder, gasoline, 4-cycle (International Harvester C-60)
Displacement:
59.5 cubic inches (0.975 L)
Power:
Approximately 9 to 13 horsepower (depending on year)
Performance
Operating Speed:
Rated engine speed approximately 1600-2000 RPM (varies by year)
Fuel System
Fuel Type:
Gasoline
Carburetor:
Marvel-Schebler or Zenith carburetor (varies by year)
🔧 Transmission
Standard Transmission
Type:
Manual, sliding gear
Speeds:
3 forward and 1 reverse (later models 4 forward and 1 reverse)
Optional Transmission
Optional Features:
Fast Hitch and Touch-Control hydraulic system were available options on some models.
Features
Clutch:
Single dry disc
📐 Dimensions
Exterior
Wheelbase:
Approximately 68 inches (172.7 cm)
Length:
Approximately 102 inches (259 cm) overall with front and rear attached
Weights
Curb Weight:
Approximately 1,150 to 1,400 pounds (520 to 635 kg) depending on equipment
🛡️ Safety Features
Crash Test Information
Ratings:
N/A - Tractors are not crash tested.
Active Features
Brakes:
Mechanical drum brakes on rear wheels
Steering:
Manual steering
Passive Features
Operator Protection:
Rollover protection (ROPS) not standard on early models; later models may have optional cab.
💡 Technology Features
Infotainment
Audio System:
Not applicable - tractor has no audio system.
Driver Assistance
Hydraulic System:
Touch-Control hydraulic system for implement control (on later models)
PTO:
Power take-off for driving implements
🔧 Maintenance
Service Intervals
Oil Change:
Every 50 hours of operation or annually, whichever comes first (typical for era)
Spark Plug:
Check and clean every 100 hours; replace as needed
Air Filter:
Clean or replace every 100 hours
Fluid Specifications
Engine Oil:
SAE 30 (above 40°F) or SAE 10W (below 40°F)
Transmission Oil:
SAE 90 gear oil (approximate, check manual)
Hydraulic Oil:
IH Hy-Tran fluid or equivalent (check manual)
Known Issues / Common Wear Items
Common Wear Items:
Carburetor leaks, ignition points, wiring insulation deterioration, hydraulic packing leaks
Note:
Gaskets and seals may have degraded over time; inspect and replace as needed.
📚 Vehicle History
Brand Heritage
Manufacturer:
International Harvester Company (IH)
Heritage:
Farmall Cub was produced from 1947 to 1979, becoming a best-selling small tractor.
Model Evolution
Variant:
Cub Lo-Boy introduced in 1955 with lower clearance and different front axle for mowing and utility work.
Production Location
Manufactured At:
FarmallWorks in Rock Island, Illinois, USA (and later in Louisville, Kentucky)
🏆 Awards & Recognition
Recognitions
Recognition:
The Farmall Cub is considered one of the most significant tractors in agricultural history, and is now a collectible classic.
Recognition:
Cub Lo-Boy became popular for landscaping and mowing, and is still widely used.

Delivery & file format

This is a digital PDF download, not a printed book. After payment the download link appears on your order confirmation page and is emailed to the address you entered. Files open in any PDF reader on phone, tablet or computer and can be printed.

Check the serial range before you buy

Manufacturers change procedures and part numbers by serial-number break. If your data plate shows a serial prefix that is not listed above, contact us with the model and serial number and we will confirm coverage before you order.

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  • Print-ready PDF Searchable text, print the pages you need for the workshop.
  • Phone, tablet, PC Open it in the cab, the workshop or the office.