🏷️ Basic Information Identification Make: Allis-Chalmers Model: D-19 Diesel 👋 Introduction Market Market Position: The Allis-Chalmers D-19 Diesel was a versatile row-crop tractor designed for agricultural applications. This service manual targets owners and technicians needing to maintain and repair this robust piece of machinery, offering in-depth technical guidance crucial for keeping the tractor operational. Competition Competitive Analysis: Competed with similar-sized tractors from manufacturers like John Deere, Farmall (International Harvester), Ford, and Massey Ferguson during its production era. Its diesel engine offered fuel efficiency and power competitive within its class. Features Key Features: Robust diesel engine, high torque output, available in utility and row-crop configurations, often equipped with a live PTO and hydraulic lift system. The manual itself is a key feature for extending the operational life of the tractor. 📋 Manual Details Coverage Coverage Areas: Engine, Fuel System, Cooling System, Lubrication System, Clutch, Transmission, Rear Axle and Differential, Final Drives, Steering System, Brakes, Hydraulic System, Electrical System, Power Take-Off (PTO), Chassis, Body and Sheet Metal, Troubleshooting, Specifications. Pagination Page Count: Extensive (exact count varies by edition, but typically 500+ pages for comprehensive service manuals). Type Manual Type: Service Repair Manual Language Language: English Format Format: PDF Download 📖 Manual Coverage Systems Systems Covered: Engine overhaul and repair, fuel injection system diagnostics and adjustment, cooling system maintenance, lubrication system procedures, clutch assembly removal and installation, transmission overhaul (including select-o-speed variants if applicable), rear axle and differential disassembly/assembly, power steering operation, brake system maintenance and repair, hydraulic lift system service, complete electrical system troubleshooting and component testing, PTO drive shaft and mechanism repair. Procedures Procedures Included: Scheduled maintenance, tune-up procedures, engine rebuild specifications, fuel system calibration, cooling system flushing and repair, clutch adjustment and replacement, transmission gear selection and overhaul, axle bearing adjustments, brake bleeding and component replacement, hydraulic pump and cylinder repair, electrical wiring diagram interpretation, starter and generator testing, PTO clutch engagement adjustment, front-end alignment, body panel alignment and repair, diagnostic charts for common problems. Depth Technical Depth: Comprehensive, suitable for professional mechanics and experienced DIY users. Covers detailed disassembly, inspection, repair, reassembly, and adjustment procedures with torque specifications, clearances, and diagnostic flowcharts. 📊 Manual Specifications File File Format: PDF Quality Print Quality: High-resolution scans, typically optimized for readability and clarity of diagrams and text. Binding Binding Type: N/A (Digital download) Paper Paper Type: N/A (Digital download) ⚙️ Engine Specifications Primary Engine Engine Model: Allis-Chalmers 4-cylinder Diesel (typically a variant of their own diesel engine line or a licensed unit). Performance Horsepower: Approximately 50-60 PTO horsepower (specific rating depends on configuration and year). Torque: High torque for its class, essential for pulling heavy implements. Fuel System Fuel System Type: Direct injection diesel with a high-pressure injection pump and injectors (e.g., Bosch or similar). Fuel Type: Diesel Fuel Cooling Cooling System Type: Water-cooled, pressurized system. Lubrication Lubrication System Type: Pressurized, forced lubrication system with oil pump and filter. 🔧 Transmission Standard Transmission Type: Constant mesh gear transmission with multiple forward and reverse gears (e.g., 8-speed or 10-speed). Optional Optional Transmission: Select-O-Speed (variable speed transmission) may have been an option on some models or years. Features Transmission Features: Heavy-duty construction, synchronized shifting on some models, often paired with a heavy-duty clutch. 📐 Dimensions Exterior Wheelbase: Typical for row-crop tractors of the era; specific dimensions vary by configuration (e.g., standard tread vs. adjustable front/rear tread widths). Weights Operating Weight: Substantial; typically over 5,000 lbs, depending on configuration and fitted options. Tare Weight: Varies based on specific configuration. 🛡️ Safety Features Ratings Safety Ratings: Tractors of this era were not subject to modern automotive safety rating systems. Safety features were primarily mechanical and operator-focused. Active Features Active Safety Features: Effective braking system, steering stability. The manual covers safe operation and adjustment of these systems. Passive Features Passive Safety Features: Operator station design, handrails for mounting/dismounting. The manual provides guidance on maintaining the structural integrity of the tractor. 💡 Technology Features Infotainment Infotainment Features: N/A - This is a vintage agricultural tractor, not equipped with modern infotainment systems. Driver Assistance Driver Assistance Features: N/A - Focus is on mechanical operation and operator input. The manual focuses on the tractor's core mechanical and hydraulic systems. Connectivity Connectivity Features: N/A - No electronic connectivity features. 🔧 Maintenance Intervals Service Intervals: The manual details specific intervals for: Oil changes (e.g., every 100-200 hours), fuel filter replacement (e.g., every 200-400 hours), air filter service, coolant checks, and lubrication points (e.g., daily, weekly, monthly). Exact intervals depend on operating conditions. Fluid Specifications Engine Oil Specification: Typically API CD or CES 2007- series diesel engine oil, SAE 30 or 10W-30 depending on ambient temperature. Consult manual for exact viscosity and API rating. Transmission Hydraulic Fluid: Allis-Chalmers Type 211 or equivalent Universal Tractor Transmission Fluid (UTTF) meeting specific viscosity and additive requirements. Manual will provide precise specifications and part numbers for fluids...