1947-1960 Farmall Super A, A-1, AV & AV-1 Tractors McCormick Parts Catalog TC-39C

1947–1960 McCormick Farmall Super A, A-1, AV & AV-1 Parts Catalog

• Covers 1947–1960 McCormick Farmall Super A, A-1, AV, and AV-1 tractors, including 3x4 and 3-1/8x4 engine configurations and fuel-type variants.
• Official International Harvester parts publication TC-39C (revised January 1960).
• Contains hundreds of exploded-view diagrams to identify component relationships, precise part numbers, and serial-number-specific configurations.
• Available as an instant download directly after checkout.
• Full-text search enabled to quickly locate exact part numbers.

Parts Catalog Breakdown

Clocking in at 272 pages, this International Harvester reference breaks down the entire tractor assembly. It specifically highlights the mechanical differences between the C-113 and C-123 engine platforms. Sections isolate the engine block, valve assemblies, ignition systems, and transmission components. Exploded diagrams make it easy to verify components by visual description or numerical part code. It serves as the definitive reference for distinguishing early-production parts (pre-250001 serial range) from later model variants.

Specialized indexes allow quick cross-referencing for the chassis, hydraulic system, and electrical components. The catalog lists parts in logical groups, detailing required quantities and exact serial number breaks for accurate procurement. When matching parts for high-pressure hydraulic lines or electrical harnesses, always verify component compatibility against your specific serial number to prevent equipment failure or operational hazards. Standard hardware is clearly delineated from specialized OEM components, saving significant time when sourcing replacements in the shop.

Component Specification Preview

Technical data includes engine operating speeds, transmission backlash tolerances, and lift capacities. The engine data section documents head gaskets and piston ring sets tailored for gasoline, distillate, and kerosene setups. Cylinder head specifications explicitly state the intake valve clearance (0.11–0.20 mm). The C-123 engine block assemblies are mapped out alongside all relevant serial number breaks. Magneto and battery ignition systems are fully segmented, detailing the exact distributor caps, rotors, and coil assemblies required for your specific build.