🏷️ Basic Information Identification Make: Allis-Chalmers Model: D-15 Model Variant: D-15 Series II 👋 Introduction Market Position Category: Utility Tractor Target User: Farmers, agricultural contractors, and vintage tractor enthusiasts. Competitive Analysis Competitors: John Deere 3020, International Harvester 656, Ford 4000. Key Features Versatility: Designed for a wide range of agricultural tasks including plowing, planting, harvesting, and mowing. Durability: Known for robust construction and reliable performance in demanding conditions. 📋 Manual Details Coverage Areas Coverage Scope: Complete workshop service and repair for D-15 and D-15 Series II tractors. Page Count Estimated Pages: 300-400 Manual Type Type: Workshop Service Manual / Repair Manual Language Language: English Format Format: PDF Download 📖 Manual Coverage Systems Covered Engine: Detailed overhaul, troubleshooting, and component specifications for gasoline and diesel engines. Fuel System: Carburetor/Injection system diagnosis and repair, fuel pump, filters, and tank maintenance. Cooling System: Radiator, water pump, thermostat, and fan assembly service procedures. Ignition System: Spark plug service, distributor, coil, and wiring troubleshooting. Transmission: Gearbox, clutch, PTO (Power Take-Off) engagement, and shifting mechanism repair. Hydraulic System: Power steering, 3-point hitch (if equipped), hydraulic pump, cylinder, and valve body service. Electrical System: Wiring diagrams, starter, generator/alternator, battery, lighting, and instrument panel service. Steering System: Front axle, tie rods, steering linkage, and steering gear box overhaul. Brake System: Brake pedal, master cylinder, wheel cylinders/calipers, and linkage adjustment/repair. Front Axle And Suspension: Spindle, kingpin, and front wheel bearing service. Rear Axle And Drive Train: Differential, final drives, and axle shaft maintenance. Bodywork And Chassis: Fender, hood, operator's platform, and frame repair. Procedures Included Maintenance: Regular servicing, lubrication, filter changes, and fluid level checks. Troubleshooting: Systematic diagnosis of common and uncommon problems with detailed symptom analysis. Repair: Step-by-step instructions for component removal, disassembly, cleaning, inspection, and reassembly. Overhaul: Comprehensive rebuild procedures for major components like engines and transmissions. Adjustment: Precise settings for clutch, brakes, PTO, and engine timing. Diagnostics: Methods for identifying malfunctions and their root causes. Technical Depth Depth: In-depth technical details suitable for professional mechanics and experienced DIY users. 📊 Manual Specifications File Format File Type: PDF Print Quality Resolution: High-resolution scans suitable for printing. Binding Type Binding: N/A (Digital Download) Paper Type Paper Type: N/A (Digital Download) ⚙️ Engine Specifications Primary Engine Gas Engine Model Gas: Allis-Chalmers 175 c.i.d. (2.87 L) 4-cylinder gasoline Primary Engine Diesel Engine Model Diesel: Allis-Chalmers 175 c.i.d. (2.87 L) 4-cylinder diesel Performance Gas Horsepower Gas Drawbar: Approx. 38 HP Horsepower Gas Pto: Approx. 43 HP Performance Diesel Horsepower Diesel Drawbar: Approx. 40 HP Horsepower Diesel Pto: Approx. 45 HP Fuel System Gas Carburetor: Marvel-Schebler (typical) Fuel System Diesel Injection Pump: Roosamaster, CAV (typical) Ignition System Spark Plugs: Champion H12Y or equivalent Cooling System Coolant Capacity: Approx. 12 quarts (11.4 liters) 🔧 Transmission Standard Transmission Type: Constant Mesh Sliding Gear Gear Speeds: 8 Forward, 2 Reverse Features Pto Speed: 540 RPM standard Clutch Type: Dry Dual-Stage Clutch (for PTO and transmission engagement) 📐 Dimensions Exterior Wheelbase: Approx. 80 inches (2032 mm) Weights Shipping Weight Gas: Approx. 4,100 lbs (1860 kg) Shipping Weight Diesel: Approx. 4,300 lbs (1950 kg) 🛡️ Safety Features Ratings Safety Features: Operator presence lever, safety switches for PTO and hydraulics. 💡 Technology Features Infotainment Infotainment System: N/A (Classic Agricultural Tractor) Driver Assistance Driver Assistance Systems: N/A (Classic Agricultural Tractor) Connectivity Connectivity Features: N/A (Classic Agricultural Tractor) 🔧 Maintenance Service Intervals Engine Oil Change: Every 100 hours or annually Transmission Oil Change: Every 500 hours or annually Hydraulic Oil Change: Every 500 hours or annually Fluid Specifications Engine Oil Type Gas: API Service SF/CD, SAE 30W or 10W-30 (seasonal) Engine Oil Type Diesel: API Service CD, SAE 30W or 10W-30 (seasonal) Transmission Hydraulic Fluid: Allis-Chalmers HD Oil (or equivalent GL-4 gear oil, SAE 80W-90 for gearbox, and AC-THF for hydraulics) Coolant: 50/50 mix of ethylene glycol antifreeze and water Known Issues Common Wear Items: Clutch wear, PTO bearing issues, hydraulic pump seal leaks, carburetor flooding (gasoline models). Diesel Specific: Glow plug reliability, injector pump calibration. 📚 Vehicle History Brand Heritage Brand History: Allis-Chalmers was a major American manufacturer of agricultural and construction equipment. Model Evolution D Series Lineage: The D-15 was part of Allis-Chalmers' popular D-series line of tractors, known for their distinctive orange paint and reliability. Production Production Years: 1959-1964 (D-15 Series I), 1964-1968 (D-15 Series II) 🏆 Awards & Recognition Recognitions Industry Recognition: The D-series tractors are highly regarded for their utility and longevity in the agricultural sector.