🏷️ Basic Information Identification Make: International Harvester Model: Farmall A, AV, B, BN Product Name: IH FARMALL A AV B & BN Parts Catalog Manual TC-26 TC26-PDF Codes Manual Code: TC-26 / TC26-PDF 👋 Introduction Market Position Target Audience: Do-it-yourself restorers, tractor mechanics, Farmall owners Value Proposition: Saves time and money on parts ordering and assembly Competitive Analysis Differentiation: Searchable and bookmarked PDF format, superior clarity compared to competitors Key Features Instant Download: Available for immediate download Organization: Parts grouped by tractor location Indexes: Includes a numerical index of all part numbers Detail Of Assembly: Dedicated section for assembly details 📋 Manual Details Coverage Areas Primary Coverage: Illustrated Parts Catalog for International Harvester Farmall A, AV, B, and BN Tractors Secondary Coverage: Tractor reassembly guidance Page Count Estimated Page Count: Unknown (digital format implies variable based on PDF rendering, but comprehensive) Manual Type Type: Illustrated Parts Catalog (IPC) Language Language: English Format Format: PDF Device Compatibility: Viewable on any computer 📖 Manual Coverage Systems Covered Engine: All engine components, internal and external Chassis: Frame, axles, steering, running gear Transmission: Gearbox components, linkages, clutch assembly parts Drivetrain: Final drive, rear axle components Hydraulics: Hydraulic lift components, pumps, cylinders (as applicable to models) Electrical: Ignition system parts, lighting components, starter, generator/alternator parts Cooling System: Radiator, fan, water pump components Fuel System: Carburetor parts, fuel tank, fuel lines, filters Braking System: Brake shoes, drums, linkages, master cylinder parts Operator Controls: Steering wheel, pedals, levers, control linkages Attachments And Accessories: PTO components, hitch parts, cultivator mounts, etc. Procedures Included Parts Identification: Comprehensive listing of all parts with descriptions and part numbers Assembly Guidance: Exploded view diagrams facilitating correct part placement and reassembly Parts Ordering Support: Provides necessary part numbers for accurate ordering Troubleshooting Aid: Indirectly aids troubleshooting by identifying correct parts for replacement Technical Depth Depth: Detailed part-level identification and exploded views Scope: Exhaustive coverage of every part on the specified tractor models Diagram Detail: High detail in exploded views for precise component identification. Parts Grouping Methodology: Categorized into functional groups (e.g., Engine, Chassis, Attachments) Illustrations Type: Exploded view diagrams Purpose: Clear illustration of each part's relation to others. Indexes Types: Numerical part number index, categorized sections Ease Of Use Readability: Easy to follow, clear language suitable for DIY restorers and mechanics. Practical Application Use Cases: Tune-ups, regular maintenance, repairs, restoration projects. 📊 Manual Specifications File Format Format: PDF Searchability: Searchable by keyword Navigation: Bookmarked chapters for quick access Print Quality Printability: Printable pages (entire manual or specific sections) Image Clarity: Clear pages, zoomable up to 400% without distortion Binding Type Type: Digital (PDF download) Paper Type Type: Not applicable (digital format) Compatibility Operating Systems: Windows/Mac Accessibility Delivery Method: Instant Download ⚙️ Engine Specifications Primary Engine Engine Family: IH Farmall 'C' Series (e.g., C-113, C-123, C-135, etc. depending on specific model and year) Performance General Characteristics: Sturdy, reliable, gasoline or diesel options depending on specific model Fuel System Carburetor Type: Typically Marvel-Schebler or Zenith (specific model dependent) Fuel Type: Gasoline, Diesel (depending on variant) Engine Variants Options: Multiple gasoline engine displacements (e.g., C-113, C-123, C-135) and potentially diesel variants depending on model year and specific configuration. 🔧 Transmission Standard Type: Sliding gear, constant mesh manual transmission Gear Count: Typically 4 forward speeds and 1 reverse Features Clutch: Single dry plate clutch Rear Axle: Bevel gear drive, bull gear final drive 📐 Dimensions Exterior Wheelbase: Varies by model (e.g., Farmall A ~74 inches) Weights Operating Weight: Varies by model (e.g., Farmall A ~2800-3500 lbs) 💡 Technology Features Infotainment Features: None (pre-infotainment era tractor) Driver Assistance Features: None (mechanical systems only) Connectivity Features: None 🔧 Maintenance Service Intervals Engine Oil Change: Typically every 40-60 operating hours or annually. Specifics in original service manual. Transmission Oil Change: Typically annually or every 500 hours. Specifics in original service manual. Fluid Specifications Engine Oil: API Service Classification CD or similar for diesel, or appropriate gasoline specification (e.g., SAE 30 or 10W-30 depending on temperature). Transmission Hydraulic Fluid: IH Hytran or equivalent tractor hydraulic fluid (GL-4 rated gear oil may be specified for gearbox portion). Known Issues Carburetor Percolation: Common issue leading to hard starting after engine heat soak. Worn Bearings: Wheel bearings, clutch release bearing, and transmission bearings can wear over time. Ignition System Wear: Distributor points, condenser, and spark plug wear. Hydraulic Seals: Leaking seals in the hydraulic lift system. Brake Adjustment: Regular adjustment of internal expanding brakes is necessary. 📚 Vehicle History Brand Heritage Manufacturer: International Harvester (IH) Model Evolution Introduction Period: Farmall A introduced in 1939, followed by AV, B, and BN variants in subsequent years. Purpose: Designed as an affordable, versatile tractor for small to medium farms, often featuring a 'cultivator' style frame for closely spaced row crops. Production Era: Mid-20th Century (primarily 1940s and 1950s)