Farmall Super A, A-1, AV and AV-1 Tractors McCormick Parts Catalog: TC-39C manual (1947–1960)

Farmall Super A, A-1, AV, and AV-1 Tractors McCormick Parts Catalog: TC-39C (1947–1960)

Keep your vintage International Harvester equipment running like the day it left the Chicago factory with this definitive McCormick Parts Catalog. This complete TC-39C manual (Revision No. 4, issued January 1960) is the ultimate reference for owners, restorers, and mechanics working on the iconic Farmall Super A series and its high-clearance AV counterparts.

Whether you are performing a simple tune-up or a full ground-up restoration, this manual provides the granular detail necessary to identify every single nut, bolt, and major assembly. It covers the transition from the C-113 engine to the increased power of the C-123 engine, ensuring you order the correct parts for your specific year and model.

Comprehensive Model Coverage

This manual is specifically designed for the following International Harvester tractors:

• Farmall Super A (1947–1954): The classic offset powerhouse featuring the 3" x 4" (C-113) engine.
• Farmall Super A-1 (1954–1960): The upgraded successor equipped with the 3-1/8" x 4" (C-123) engine.
• Farmall Super AV (1947–1954): The high-clearance version of the Super A, ideal for vegetable farming.
• Farmall Super AV-1 (1954–1960): The updated high-clearance model with the C-123 engine.

Vital Serial Number Identification

To ensure part compatibility, this manual provides the essential serial number prefixes and starting ranges for both the chassis and the engine:

• Super A: Engine Prefix (FAAM), Chassis Serial (FAA)
• Super AV: Engine Prefix (FAAVM), Chassis Serial (FAAV)
• Super A-1: Engine Prefix (FCM), Chassis Serial (FAA-1)
• Super AV-1: Engine Prefix (FCM), Chassis Serial (FAAV-1)

Key Production Milestones:

• C-113 Engine Tractors: Serial numbers begin at 250001.
• C-123 Engine Tractors: Serial numbers begin at 356001.
• Name plates are located on the right side of the tool box and seat support.

Detailed Technical Content

This catalog features high-quality exploded views for every major system. These illustrations don't just list parts; they show the exact relationship between components, making assembly and disassembly intuitive.

Engine Systems

• Complete breakdown of both 3" x 4" (C-113) and 3-1/8" x 4" (C-123) engines.
• Includes details for Fire Crater increased power packages for gasoline models.
• Specialized sections for Carter, Marvel-Schebler, and Zenith carburetors.

Electrical & Ignition

• Comprehensive parts lists for both Magneto (International Type H-4) and Battery Ignition systems (Delco-Remy).
• Detailed wiring, generator, voltage regulator, and cranking motor (starter) components.

Chassis & Drivetrain

• Front and rear axle configurations, including the heavy-duty and adjustable front axle options.
• Complete clutch (Auburn and Rockford types), transmission, and differential internals.
• Steering mechanism and brake system exploded views.

Hydraulic System (Touch-Control)

• Full coverage of the Hydraulic Pump, control valves, and cylinder blocks.
• Details for Remote Control attachments and auxiliary valves.

Attachments & Extras

• Parts listings for Mowers (AI-23), Fast-Hitch systems, and various drawbar configurations.
• Numerical index for quick part number cross-referencing.

Why This Manual Is Essential

Vintage tractors often feature parts that have been replaced or upgraded over the decades. This TC-39C revision is particularly valuable because it includes all updates through 1960. It clarifies complex part suffix changes and provides a comprehensive suffix letter code guide for special equipment.

Designed for easy use in the shop, the manual features a group index with black tabs for quick navigation. This is the professional-grade documentation required to maintain the original quality and serviceability of your International Harvester heritage.