Target Audience:
Owners, mechanics, and restorers of International IH Farmall Cub and Cub Lo-Boy tractors.
Value Proposition:
Provides access to a rare and comprehensive original parts catalog, crucial for maintaining antique machinery.
Completeness:
Master Parts Catalog with detailed exploded views and all original part numbers.
Historical Significance:
Offers a piece of agricultural history, essential for authentic restoration and maintenance.
Usability:
Designed for easy parts lookup, aiding in accurate ordering and correct repairs.
Digital Advantage:
Immediate access, zoom, print, save functionality, eliminating the need for bulky physical manuals.
Sections Covered:
Miscellaneous, Brakes, Steering, Cooling, Drive Train, Electrical, Frame, Hydraulics, Instruments, Power, Superstructure, Suspension, Wheels and Traction, Numerical Index
Type:
Master Parts Catalog / Illustrated Parts List (IPL)
Engine:
Detailed breakdown of engine components, including carburetor, ignition, fuel, cooling, and lubrication systems.
Transmission:
Complete parts listing for gearbox, clutch, and drive components.
Brakes:
Exploded views and part numbers for brake mechanisms, including master cylinder, wheel cylinders, and brake shoes.
Steering:
Parts breakdown for steering gears, linkages, and related components.
Electrical:
Illustrated parts for starter, generator/alternator, battery, lighting, and wiring harness.
Hydraulics:
Comprehensive parts identification for hydraulic lift systems, pumps, cylinders, and control valves.
Frame And Body:
Parts for chassis, fenders, operator platform, and mounting hardware.
Wheels And Traction:
Component identification for wheels, tires, axles, and differential.
Power Take Off Pto:
Parts for PTO drive assembly and engagement mechanisms.
Parts Identification:
Facilitates accurate part number identification for ordering and replacement.
Assembly Disassembly:
Provides exploded views and breakdowns essential for teardown and reassembly processes.
Servicing And Repair:
Aids in identifying correct components for all aspects of servicing, rebuilding, and repairs.
Adjustment:
Implicitly supports adjustments by clearly identifying all related component parts.
Depth:
Comprehensive, covering all original parts information for complete machine lookup.
Accessibility:
Downloadable, viewable in Adobe Acrobat Reader.
Features:
Bookmarked sections for fast navigation, zoomable pages, printable.
Clarity:
High quality and clarity, very clear and clean pages.
Image Detail:
Pictures are rich with detail.
Binding:
N/A (Digital Format)
Paper:
N/A (Digital Format)
Engine Type:
OHV 4-Cylinder, Liquid-Cooled, International Harvester C-60 Gasoline Engine
Displacement:
60.2 cubic inches (987 cc)
Bore X Stroke:
2.56" x 3.00" (65 mm x 76.2 mm)
Compression Ratio:
Approx. 6.5:1
Rated Hp:
Approx. 9.2 HP at PTO / 7.4 HP at Drawbar (Based on typical configurations, exact figures vary)
Governed Speed:
1,650 RPM
Carburetor:
Marvel-Schebler TSX-643 (or similar Zenith/Marvel-Schebler models depending on year/variant)
Cooling Method:
Liquid-cooled (Water)
Thermostat Rating:
Approx. 150°F (65°C) - consult manual for specific part numbers
Oil Type:
SAE 30 or SAE 10W-30 (depending on climate and specific IH recommendations at the time of manufacture). Consult manual for precise specifications.
Oil Capacity:
Approx. 4 quarts (3.8 liters) with filter change.
Ignition Type:
Battery-coil ignition with distributor.
Spark Plug Type:
Champion H10Y or equivalent (consult manual for specific recommendations and gap settings).
Transmission Type:
Sliding gear, constant mesh, manual transmission.
Number Of Gears:
4 Forward speeds, 1 Reverse speed.
Clutch:
Single plate, dry friction type.
Gear Selection:
Shift lever located to the right of the operator.
Fluid Type:
SAE 80W or SAE 90W Gear Lube. Consult manual for precise specifications and capacity.
Wheelbase:
Approx. 68 inches (172.7 cm).
Length:
Approx. 95 inches (241.3 cm).
Width:
Varies with tire size, typically around 48-60 inches (121.9-152.4 cm).
Operating Weight:
Approx. 1,200 - 1,500 lbs (544 - 680 kg) depending on configuration.
Rollover Protection:
Not standard on original models; aftermarket ROPS may be available. Consult specific tractor configuration.
Braking System:
Mechanical, internal expanding shoe type brakes, operated by two independent foot pedals (can be locked together).
Operator Station:
Open operator station; focus on proper operation and awareness of surrounding environment.
Engine Oil Change:
Recommend every 50 operating hours or annually, whichever comes first. Consult manual for specific recommendations.
Transmission Oil Change:
Recommend annually or every 250 operating hours. Consult manual for specific recommendations.
Air Cleaner:
Service as needed based on operating conditions, typically weekly or daily in dusty environments. Consult manual for type and procedure.
Coolant:
Check coolant level regularly. Flush and replace coolant annually or per IH recommendations.
Engine Oil Viscosity:
SAE 30, SAE 10W-30 (refer to manual based on ambient temperature).
Transmission Gear Lube Viscosity:
SAE 80W, SAE 90W.
Hydraulic Fluid Type:
Consult manual for specific hydraulic fluid specifications; likely IH Hy-Tran or equivalent.
Carburetor Wear:
Common issue with older carburetors requiring cleaning, adjustment, or rebuild due to age and fuel degradation.
Oil Leaks:
Seals and gaskets can degrade over time, leading to leaks from the engine, transmission, and hydraulics.
Electrical Issues:
Wiring harnesses and components like generators/starters can wear out; manual is critical for troubleshooting.
Hydraulic Cylinder Leaks:
Hydraulic lift cylinders can develop leaks or become slow due to worn seals.
Manufacturer:
International Harvester (IH)
Historical Context:
IH was a major American manufacturer of agricultural and industrial machinery.
Cub Introduction:
The original Farmall Cub was introduced in 1947.
Cub Lo-Boy Introduction:
The Cub Lo-Boy variant, designed for lower ground clearance for orchard and vineyard work, was introduced later.
Production Period:
The Cub and Cub Lo-Boy models were produced for many decades, with significant updates over their lifespan. This manual likely covers a broad range of these years.
Manufacturing Location:
Primarily manufactured in the United States.
