The Allis-Chalmers D-17 Series IV tractor, produced from approximately 1960 to 1967, represents a significant piece of agricultural machinery. Designed as a versatile utility tractor, it was engineered for row-crop farming and general farm work, competing with other major manufacturers of the era. Notable features included the optional Power Director, a two-speed transmission for on-the-go shifting under load, and a robust hydraulic system capable of operating implements. Its reliable construction and efficient performance made it a valuable asset on farms, embodying the innovation and quality associated with Allis-Chalmers' D-series line. This factory service repair manual provides comprehensive guidance for the Allis-Chalmers D-17 Series IV tractor. It covers essential maintenance procedures, including lubrication schedules and fluid specifications, alongside detailed troubleshooting steps to diagnose and resolve common and uncommon issues. The manual offers in-depth instructions for component rebuilds, adjustments, and disassembly/reassembly of critical systems such as the engine, transmission, hydraulics, electrical, and braking systems. Technical specifications, torque values, and electrical schematics are included to assist owners, mechanics, and technicians in maintaining the operational integrity and longevity of their tractor. 🏷️ Basic Information Identification Make: Allis-Chalmers Model: D-17 Series IV Model Designation: D-17 Series IV Vehicle Type: Tractor 👋 Introduction Market Position Historical Significance: The D-17 Series IV was a key model in Allis-Chalmers' tractor lineup, known for its versatility and reliability. Competitive Analysis Competitors: Competed with John Deere 3020, International Harvester 560/656, Ford 4000/5000 series tractors. Key Features Prime Mover: Designed as a versatile utility tractor for row-crop farming and general farm work. Power Director: Often equipped with the Power Director (a 2-speed transmission) for on-the-go shifting under load. 📋 Manual Details Coverage Areas Manual Type: Factory Service Repair Manual Language: English Format: Likely Print/Digital (PDF) 📖 Manual Coverage Systems Covered Engine Service: Complete overhaul, diagnostics, fuel system, cooling system, lubrication system, ignition system (if applicable) Transmission Service: Repair and adjustment of gearbox, clutches, differentials Hydraulic System Service: Power steering, 3-point hitch, implement hydraulics, pump and cylinder repair Electrical System Service: Wiring diagrams, starter, generator/alternator, lighting, battery service Brake System Service: Service and adjustment of internal expanding shoe brakes Steering System Service: Repair and adjustment of steering mechanisms Front Axle And Suspension Service: Service of steering knuckles, tie rods, wheel bearings Rear Axle And Drive Shaft Service: Service and repair of rear differential and drive components Pto System Service: Service of Power Take-Off (PTO) engagement and components Cooling System Service: Radiator, hoses, thermostat, water pump service Fuel System Service: Carburetor adjustment/rebuild, fuel filters, fuel lines Procedures Included Troubleshooting: Systematic diagnostic procedures for common and uncommon problems Routine Maintenance: Lubrication charts, fluid checks, filter replacement schedules Component Rebuild: Detailed instructions for overhauling engines, transmissions, hydraulics, etc. Adjustment Procedures: Correct settings for clutch, brakes, governor, PTO, etc. Disassembly And Reassembly: Step-by-step guides for removing and installing major components Torque Specifications: Essential torque values for critical fasteners Technical Depth Depth Of Coverage: Comprehensive, from basic maintenance to complete engine and transmission rebuilds Diagnostic Capability: Detailed troubleshooting guides to identify root causes of issues Schematics And Diagrams: Inclusion of detailed electrical schematics, hydraulic diagrams, and exploded views 📊 Manual Specifications File Format File Type: PDF (Portable Document Format) is common for digital versions Searchability: Searchable text for quick information retrieval Print Quality Illustrations: High-quality diagrams and photographs for clarity Binding Type Binding: For print versions, typically spiral-bound or comb-bound for lay-flat use Paper Type Paper Quality: Durable paper suitable for shop environments ⚙️ Engine Specifications Primary Engine Engine Make: Allis-Chalmers Engine Model: Various diesel and gasoline engines were offered across D-17 series. Series IV typically featured a diesel option. Cylinder Count: Typically 4-cylinder for diesel models Performance Horsepower Drawbar: Approximately 45-50 HP (drawbar HP) for diesel variants. Horsepower Engine: Approximately 55-60 HP (engine HP) for diesel variants. Torque Peak: Specific torque figures vary by engine variant, but typically in the 140-160 lb-ft range for diesel. Fuel System Fuel Type: Diesel (preferred and most common for Series IV), Gasoline variants also existed. Fuel Delivery: Injection pump (Bosch or CAV type) for diesel; Carburetor for gasoline. Air Cleaner: Oil-bath type air cleaner is standard for off-road applications. 🔧 Transmission Standard Gearbox Type: Constant mesh transmission with multiple forward and reverse gears. Optional Power Director: Optional 2-speed transmission (Power Director) providing a low range for increased torque. Rear Axle Differential Lock: Standard on most models for improved traction. Features Clutch Type: Dual-stage clutch (independent PTO clutch often present). Power Take Off: 540 RPM rear PTO, often with independent engagement. 📐 Dimensions Exterior Wheelbase: Approximately 84 inches (2134 mm) Length: Approximately 130 inches (3302 mm) without implements Width Tread Rear: Adjustable rear tread widths, typically 60-72 inches (1524-1829 mm) Height To Top Of Steering Wheel: Approximately 58 inches (1473 mm) Weights Operating Weight: Approximately 5,000 - 5,500 lbs (2268 - 2495 kg) without ballast. Drawbar Height: Adjustable, typically 18-26 inches...