🏷️ Basic Information Identification Make: Allis-Chalmers Model: Model C Tractor Type: Agricultural Tractor 👋 Introduction Market Position Historical Role: The Allis-Chalmers Model C was a popular and versatile utility tractor, widely used in small to medium-sized farms and for general agricultural tasks from the mid-1940s through the early 1950s. It represented a significant step in agricultural mechanization. Competitive Analysis Competitors: Competed with models from International Harvester (e.g., Farmall H), John Deere (e.g., Model A, B), and Ford (e.g., 8N) during its production run. Key Features Design Highlights: Known for its reliable engine, comfortable operator station for its time, and adaptable features for various implements via the PTO and hydraulic lift system. Offered good value for its performance. 📋 Manual Details Coverage Areas Primary Coverage: Service, Operation, and Maintenance Page Count Estimated Page Count: Approx. 200-300 pages (based on typical comprehensive manuals for this era) Manual Type Type: Service Manual / Operator's Manual / Maintenance Manual Language Language: English Format Format: PDF (Digital) 📖 Manual Coverage Systems Covered Engine System: Engine overhaul, carburetor adjustment, ignition system, cooling system, lubrication, fuel system Transmission System: Clutch service, transmission disassembly and reassembly, gear lubrication, PTO operation Hydraulic System: Hydraulic lift operation, pump maintenance, cylinder service, fluid specifications Steering System: Steering gear adjustment, linkage maintenance, tie rod ends Brake System: Brake band adjustment, shoe replacement, linkage lubrication Electrical System: Generator/alternator service, battery maintenance, wiring diagrams, lighting systems Chassis And Frame: Frame inspection, front axle service, rear axle lubrication Operator Controls: Dashboard layout, lever functions, pedal operation, safety features Procedures Included Routine Maintenance: Lubrication charts, fluid level checks, filter changes, greasing points Troubleshooting: Diagnostic guides for common issues, symptom-based problem solving Repair And Rebuild: Detailed disassembly, inspection, repair, and reassembly instructions for major components Adjustments: Carburetor, ignition timing, clutch, brakes, steering Safety Precautions: Safe operating practices, maintenance safety guidelines Technical Depth Depth: Comprehensive, covering from basic operator checks to detailed engine and transmission overhauls. Suitable for both owner-operators and mechanics. 📊 Manual Specifications File Format Digital Format: PDF (Portable Document Format) Print Quality Image Quality: Scanned from original print, typically high resolution with clear text and diagrams. May vary based on original source quality. Binding Type Binding: N/A (Digital PDF) Paper Type Paper: N/A (Digital PDF) Searchability Text Search: Likely searchable if text layer is present in PDF, otherwise text may be image-based. Printable Print Capability: Printable (user dependent on PDF reader capabilities) ⚙️ Engine Specifications Primary Engine Engine Model: Allis-Chalmers Model B (often shared with Model B tractor, but with modifications) Engine Type: Inline 4-cylinder, L-head (Flathead) gasoline engine Performance Displacement: 175.3 cubic inches (2.87 liters) Bore X Stroke: 3.5625 in x 4.3125 in (90.5 mm x 109.5 mm) Compression Ratio: Approx. 6.5:1 Horsepower Drawbar: Approx. 25 HP Horsepower Belt: Approx. 28 HP Fuel System Carburetor: Stromberg or Zenith (specific model may vary), updraft or downdraft Fuel Type: Gasoline Fuel Tank Capacity: Approx. 13 gallons Ignition System Ignition Type: Magneto ignition (e.g., Wico, Fairbanks-Morse) or Battery-Ignition system Cooling System Cooling Method: Water-cooled, typically with a thermostat and fan Lubrication System Oil Capacity: Approx. 5 quarts (with filter) Oil Filter Type: Full-flow or bypass oil filter (specific type varies) 🔧 Transmission Standard Transmission Type: Constant mesh, selective sliding gear transmission Number Of Speeds: 4 Forward, 1 Reverse Features Clutch Type: Single plate, dry clutch Pto Type: 540 RPM Power Take-Off (PTO), rear-mounted Rear Axle Type: Spur gear final drive 📐 Dimensions Exterior Length: Approx. 126 inches (3200 mm) Width: Approx. 65 inches (1650 mm) Height: Approx. 59 inches (1500 mm) to top of steering wheel Wheelbase: Approx. 76 inches (1930 mm) Weights Shipping Weight: Approx. 2,950 lbs (1338 kg) Operating Weight: Approx. 3,200 - 3,500 lbs (1451 - 1588 kg), depending on configuration Dimensions Ground Clearance: Approx. 13.5 inches (343 mm) Front Tread Width: Adjustable, typically 52 inches (1321 mm) Rear Tread Width: Adjustable, typically 56 inches (1422 mm) 🛡️ Safety Features Ratings Historical Safety Standards: Safety standards were considerably less stringent during its production era. Focus was on basic mechanical reliability and operator awareness. Active Features Operator Station: Open operator station. Included basic controls, seat, and foot pedals. No modern ROPS or seatbelts were standard. Passive Features Lighting: Optional or standard (depending on configuration) headlights and taillights. 💡 Technology Features Infotainment Features: None. This is a vintage agricultural tractor focused on functionality. Driver Assistance Features: None. Basic mechanical controls only. Connectivity Features: None. Mechanical and direct-drive systems. 🔧 Maintenance Service Intervals Engine Oil Change: Every 50-75 operating hours or annually. Consult manual for specific viscosity and grade. Air Cleaner Service: Daily or weekly, depending on operating conditions. Clean or replace element as needed. Grease Points: Daily lubrication of all identified grease fittings before operation. Coolant Check: Weekly or as needed. Flush cooling system annually. Fluid Specifications Engine Oil: SAE 10W-30 or SAE 30 (depending on...