🏷️ Basic Information Identification Make: Allis-Chalmers Model: D-15 Series II Product Type: Workshop Service Repair Manual 👋 Introduction Market Position Classification: Utility tractor, positioned for agricultural, industrial, and light construction tasks. Competitive Analysis Competitors: Ford 2000/4000 Series, John Deere 3020/4020, IH McCormick 404/544 Key Features Features: Robust build, versatile PTO and hydraulics, comfortable operator station for its era. 📋 Manual Details Coverage Areas Primary Coverage: Allis-Chalmers D-15 Series II Tractor Page Count Estimated Pages: Varies (typical for this era of manuals is 300-600 pages) Manual Type Type: Service and Repair Manual Language Language: English Format Format: Print/Digital (PDF) 📖 Manual Coverage Systems Covered Engine: Detailed overhaul, tuning, lubrication, cooling system, fuel system, starting system Transmission: Disassembly, assembly, adjustment, lubrication, common repairs Clutch: Adjustment, replacement, troubleshooting Hydraulics: Pump, cylinder, valve operation, troubleshooting, fluid specifications Steering: Mechanism, adjustments, repair Brakes: Type (e.g., dry disc), adjustment, repair, troubleshooting Electrical: Wiring diagrams, starter, generator/alternator, ignition system, lighting Front Axle: Service, wheel alignment, bearing maintenance Rear Axle: Differential, final drive, overhaul Power Take Off Pto: Operation, maintenance, repair Cooling System: Radiator, thermostat, water pump, coolant specifications Fuel System: Carburetor models, fuel pump, filters, adjustments Bodywork: Sheet metal, operator's platform, fenders Procedures Included Maintenance: Regular servicing, lubrication schedules, filter changes Troubleshooting: Diagnostic charts for common problems and solutions Repair: Step-by-step instructions for component overhaul and replacement Adjustment: Clutch, brakes, steering, engine timing Disassembly Assembly: Detailed procedures for major component removal and reinstallation Technical Depth Depth: Comprehensive; covers everything from routine maintenance to complete engine and transmission rebuilds 📊 Manual Specifications File Format Digital Quality: High-resolution scans, searchable text (if digitally produced), clear diagrams Print Quality Print Material: Durable paper suitable for workshop environments Binding Type Binding: Likely spiral-bound or perfect-bound for lay-flat use in workshops Paper Type Paper Quality: Matte finish to reduce glare, withstand grease and dirt ⚙️ Engine Specifications Primary Engine Engine Model: Allis-Chalmers Model 262 (Gasoline) / Model 262D (Diesel) Engine Type: Inline 4-cylinder, Overhead Valve (OHV) Displacement Gas: Approximately 201 cubic inches (3.3 liters) Displacement Diesel: Approximately 201 cubic inches (3.3 liters) Performance Horsepower Gas Rated: Approx. 47 belt horsepower, 42 drawbar horsepower Horsepower Diesel Rated: Approx. 54 belt horsepower, 47 drawbar horsepower Fuel System Carburetor Gas: Typically Zenith or Marvel-Schebler, specific model documented in manual. Fuel Type: Gasoline or Diesel Fuel Filter: Cartridge type, specific part number available in manual. Lubrication Oil Capacity: Approx. 6 quarts (5.7 liters) with filter. Recommended Oil: API CD or CE, SAE 30 or 10W-30 depending on temperature (specifics in manual). 🔧 Transmission Standard Transmission Type: Constant mesh, 5-speed forward, 1-speed reverse (manual shift) Optional Optional Transmission: Not typically offered on this model, standard gearbox was robust. Features Transmission Fluid: API GL-4 gear oil, SAE 90 (specifics in manual). Clutch Type: Dry, single-plate diaphragm spring clutch 📐 Dimensions Exterior Wheelbase: Approx. 82 inches (2083 mm) Overall Length: Approx. 130 inches (3302 mm) Overall Width: Approx. 68 inches (1727 mm) at rear wheels Weights Operating Weight: Approx. 4,500 - 5,000 lbs (2041 - 2268 kg) depending on configuration. Drawbar Pull: Capable of significant drawbar pull, estimated up to 5,000 lbs with proper ballast. 🛡️ Safety Features Ratings Safety Standards: Designed to 1960s agricultural machinery safety standards. Roll-over protection typically aftermarket. Active Features Braking System: Independent rear wheel brakes with parking brake feature. Passive Features Operator Station: Open station with fenders and basic control layout. 💡 Technology Features Infotainment Features: None (pre-infotainment era tractor). Driver Assistance Features: None (basic mechanical controls). Connectivity Features: None. 🔧 Maintenance Service Intervals Engine Oil Change: Every 50-100 operating hours or annually, per manual recommendations. Grease Points: Daily or weekly, depending on usage, for all lubrication points. Air Filter Cleaning: As needed, based on dust conditions, typically monthly or quarterly. Transmission Fluid Change: Every 1000 operating hours or every 2 years, per manual. Fluid Specifications Hydraulic Fluid: Allis-Chalmers HD Premium Oil or equivalent (Type U, TO-4 fluid) Coolant Type: Ethylene glycol based antifreeze, 50/50 mix with distilled water. Known Issues Common Wear Items: Clutch wear, hydraulic pump seals, PTO engagement issues, carburetor adjustment sensitivity. Electrical Issues: Wiring harness degradation, generator/alternator brush wear. Part Numbers Filter Part Example: Specific oil, fuel, and hydraulic filter part numbers will be detailed in the manual, crucial for correct replacement. 📚 Vehicle History Brand Heritage Manufacturer History: Allis-Chalmers was a major American manufacturer of agricultural, construction, and industrial machinery, known for its distinctive orange color. Model Evolution Series Designation: The D-15 Series II succeeded the original D-15, featuring updates in styling, operator comfort, and potentially minor mechanical enhancements. Production Production Years: The D-15 Series II was produced from approximately 1964 to 1967. Manufacturing Location: Milwaukee, Wisconsin, USA 🏆 Awards & Recognition Recognitions Historical Acclaim: Recognized as a reliable and workhorse tractor in its class during its production era.