Target Audience:
Tractor owners, restorers, mechanics, and parts suppliers working with International Harvester Farmall Super A and AV series tractors.
Differentiation:
Distinguished by its high-quality, searchable, and bookmarked PDF format, offering superior usability compared to basic scanned documents.
Organization:
Parts are logically grouped by tractor location, enhancing ease of use for identification and assembly.
Indexing:
Includes a comprehensive numerical index of all part numbers for rapid lookups.
Usability:
Written in a clear, easy-to-follow style, suitable for both DIY enthusiasts and professional mechanics.
Primary Coverage:
Farmall Super A, Super AV, A-1, AV-1 Tractors
Secondary Coverage:
All components and assemblies for the specified tractor models
Estimated Page Count:
Varies (digital format, but content equivalent to a comprehensive printed catalog)
Type:
Illustrated Parts Catalog (IPC)
Format:
Searchable and Bookmarked PDF
Engine:
Complete breakdown of engine components, including cylinders, pistons, crankshaft, camshaft, valves, cooling system, lubrication system, and fuel system.
Chassis:
Detailed parts listing for the tractor frame, steering components, front axle, rear axle, differential, and final drives.
Powertrain:
Includes transmission, clutch assembly, PTO (Power Take-Off) components, and drive shafts.
Electrical System:
Parts for ignition system, starting system, lighting, and any factory-installed electrical accessories.
Hydraulic System:
Covers components of the Farmall's hydraulic lift system, including pumps, cylinders, and control mechanisms (where applicable).
Attachments:
Parts related to factory-installed attachments, such as cultivators, plows, and other implements designed for these tractor models.
Sheet Metal And Body:
Includes fenders, hood, grille, seat components, and control levers.
Assembly Guidance:
Exploded view diagrams provide clear illustration for correct part orientation and assembly sequence.
Part Identification:
Facilitates accurate identification of every component on the tractor.
Ordering Parts:
Provides official IH part numbers essential for ordering correct replacement parts.
Troubleshooting Support:
While primarily a parts catalog, the detailed component breakdown aids in diagnosing issues by identifying missing or incorrect parts.
Depth:
Comprehensive detailed breakdown of all OEM (Original Equipment Manufacturer) parts.
Scope:
Covers every nut, bolt, gasket, and major assembly for the specified tractor models.
Searchability:
Fully searchable text content.
Bookmarking:
Features extensive bookmarking for quick navigation.
Resolution:
High-resolution scans, clear and distortion-free when zoomed up to 400%.
Printability:
Designed for clear and accurate printing of individual pages or sections.
Binding:
N/A (Digital PDF format)
Paper Type:
N/A (Digital PDF format)
Engine Model Super A Av:
International Harvester C-123 (Gasoline) and C-123D (Diesel for AV models)
Engine Displacement:
123 cubic inches (2.01 Liters)
Horsepower Gas:
Approximately 29-32 PTO HP (rated for different applications, actual drawbar HP lower)
Horsepower Diesel:
Approximately 29-30 PTO HP (for AV models)
Carburetor Gas:
Typically a Marvel-Schebler or Zenith carburetor.
Fuel Type:
Gasoline (for Super A) and Diesel (for Super AV)
Transmission Type:
Manual, constant mesh, 4-speed forward, 1-reverse gearbox.
Gear Reduction:
Optional Torque Amplifier (TA) unit, providing a low range for increased pulling power.
Clutch:
Single-plate, dry friction clutch.
Engine Oil Change:
Typically every 50-75 operating hours or annually. Consult specific era service bulletins for precise recommendations.
Grease Points:
Daily or weekly greasing of various pivot points, kingpins, and universal joints is critical.
Engine Oil Type:
SAE 30 or 10W-30 (depending on ambient temperature and specific IH recommendations for the era).
Transmission Hydraulic Fluid:
IH Hy-Trans fluid or equivalent (check specific manual for exact specification, often a universal tractor fluid with specific viscosity).
Coolant:
Ethylene glycol based antifreeze mixed with water for freeze protection and corrosion inhibition.
Worn Engine Components:
Common for high-hour engines to experience wear in piston rings, cylinder liners, and bearings.
Hydraulic System Leaks:
Seals and O-rings in the hydraulic lift system can degrade over time, leading to leaks and reduced lifting capacity.
Carburetor Issues:
Gumming and clogging of the carburetor due to age and fuel degradation is frequent.
Steering Play:
Wear in steering box and tie rod ends can result in excessive play.
Manufacturer:
International Harvester (IH), a cornerstone of American agricultural machinery.
Predecessor:
Direct evolution from the Farmall A model.
Production Years:
1947-1954
Manufacturing Plant:
Primarily Rock Island, Illinois, USA.