🏷️ Basic Information Identification Make: Allis-Chalmers Model: Model C Type: Tractor Codes Product Code Identifier: Manual-AC-C-TRSR 👋 Introduction Market Position Segment: Classic Utility Tractor Target Audience: Owners, restorers, mechanics, and collectors of vintage Allis-Chalmers tractors. Competitive Analysis Competitors: Ford 8N, John Deere Model B, Farmall H/M. Key Features Vehicle Distinctiveness: Known for its robust construction, reliable performance, and Allis-Chalmers' innovative hydraulic lift system (often referred to as the 'Snap-Coupler' system). Manual Value Proposition Usefulness: Essential for proper maintenance, troubleshooting, and repair to keep the Model C operating efficiently and preserve its value. 📋 Manual Details Coverage Areas General Coverage: Comprehensive repair and service information for the Allis-Chalmers Model C tractor. Page Count Estimated Page Count: Approx. 350-450 pages (typical for comprehensive service manuals of this era). Manual Type Type: Service/Repair Manual Language Language: English Format Format: Print (likely a high-quality reproduction). 📖 Manual Coverage Systems Covered Engine System: Engine overhaul, lubrication system, cooling system, fuel system, ignition system (including magneto timing and adjustment). Transmission System: Clutch, transmission disassembly and reassembly, gear shifting mechanisms, PTO (Power Take-Off) operation and repair. Axles And Drive Train: Rear axle assembly, differential, drive shafts, final drives. Steering System: Steering gear, linkage, adjustments, and common wear points. Brake System: Brake pedal, linkage, drum brake mechanisms, adjustments, and maintenance. Hydraulic System: Allis-Chalmers patented hydraulic lift system (if equipped, e.g., hydraulic pump, control valve, cylinder, linkages). Electrical System: Battery, starter, generator/alternator (if applicable for later models), lighting, wiring diagrams, magneto ignition details. Cooling System: Radiator, water pump, thermostat, fan belt adjustment and replacement. Fuel System: Carburetor service, fuel tank, fuel lines, filter, troubleshooting fuel delivery issues. Body And Chassis: Frame, fenders, seat mounting, drawbar, general chassis maintenance. Procedures Included Diagnostic Procedures: Troubleshooting charts for common operational problems, symptom-based diagnosis. Maintenance Procedures: Lubrication schedules, tune-up procedures, filter changes, belt adjustments, general upkeep. Repair Procedures: Detailed step-by-step instructions for component disassembly, cleaning, inspection, repair, and reassembly. Overhaul Procedures: Complete engine rebuild procedures, transmission rebuilds, and major component overhauls. Adjustment Procedures: Carburetor adjustments, ignition timing, clutch free play, brake adjustments, governor settings. Troubleshooting Guides: Specific guidance for identifying and resolving common issues like hard starting, loss of power, or hydraulic system malfunctions. Technical Depth Depth: In-depth technical coverage suitable for experienced mechanics and dedicated DIY enthusiasts. Includes detailed diagrams, specifications, and tolerances. 📊 Manual Specifications File Format Digital Format Quality: N/A (Print Manual) Print Quality Paper Quality: High-quality, durable paper stock suitable for shop environments. Print Clarity: Sharp, clear text and high-resolution reproductions of original diagrams and photographs. Binding Type Binding: Professional binding (e.g., perfect bound or spiral bound) for ease of use and durability. ⚙️ Engine Specifications Primary Engine Make: Allis-Chalmers Model: G-262 (typically) Configuration: Inline 4-Cylinder, Overhead Valve (OHV) Displacement: 262 cubic inches (approx. 4.3 Liters) Bore X Stroke: 4.00 x 5.25 inches (approx. 101.6 x 133.4 mm) Compression Ratio: Approx. 6.5:1 (petrol) / 5.5:1 (kerosene) Performance Horsepower Drawbar: Approx. 30-35 HP Horsepower Belt: Approx. 38-42 HP Torque: Not typically published in readily available specs, focus on drawbar pull. Fuel System Carburetor: Marvel-Schebler (common), Zenith (possible). Fuel Type: Gasoline, Kerosene (dual fuel capability on some models). Ignition System Type: Magneto Ignition (e.g., Wico, Fairbanks-Morse). Cooling System Type: Liquid-Cooled (Water Pump Circulated) 🔧 Transmission Standard Type: Constant Mesh, Sliding Gear Transmission Gears: 4 Forward Speeds, 1 Reverse Speed. Features Clutch: Single Dry Plate Clutch Pto: Live PTO (Power Take-Off) - 540 RPM standard. Fluid Specifications Transmission Oil: SAE 80 EP (Extreme Pressure) Gear Oil or equivalent. 📐 Dimensions Exterior Wheelbase: Approx. 80 inches (2032 mm) Length: Approx. 125 inches (3175 mm) with drawbar Weights Shipping Weight: Approx. 3,400 lbs (1542 kg) Operating Weight: Approx. 3,600 - 3,800 lbs (1633 - 1724 kg) depending on equipment Tires Front Tires: 6.00-16 (standard) Rear Tires: 11.24-36 (standard) 🛡️ Safety Features Ratings Safety Standards: N/A (Pre-dates modern standardized safety ratings). Active Features Braking System Type: Mechanical Drum Brakes (operating on rear axle/brake shaft). Passive Features Operator Station: Open station, no ROPS (Roll-Over Protective Structure) or seatbelts originally equipped. 💡 Technology Features Infotainment Features: N/A (Basic agricultural machinery). Driver Assistance Features: N/A (Basic agricultural machinery). Powertrain Technology Hydraulic System: Allis-Chalmers Power Director (optional) or integrated hydraulic lift system for implements. 🔧 Maintenance Service Intervals Oil Change Engine: Every 50-100 hours of operation, or annually. Filter Change Oil: With every oil change. Grease Points: Daily or weekly, depending on usage and weather conditions. Fluid Specifications Engine Oil: SAE 30 HD (Heavy Duty) or SAE 20W-30 for colder climates. Coolant: 50/50 mix of Ethylene Glycol antifreeze and clean water. Consult manual for specific capacity. Hydraulic Fluid: Allis-Chalmers Tractor Fluid (AC TF) or equivalent Type 'A' Automatic Transmission Fluid (ATF) for systems equipped with hydraulic lift. Known Issues Common Wear Parts: Valves, piston rings, bearings, clutch friction plates, PTO dog clutches, kingpins, tie rod ends. Potential Problems: Carburetor...