🏷️ Basic Information Identification Make: Allis-Chalmers Model: D-19 Model Variant: D-19 Diesel Year Coverage: 1958-1963 (estimated based on production lifecycle) Codes Manual Identifier: WSM (Workshop Manual) 👋 Introduction Market Position Category: Heavy-duty agricultural tractor Competitive Analysis Key Competitors: John Deere (e.g., 3020, 4020), International Harvester (e.g., 560, 656), Massey Ferguson (e.g., 35, 65) Key Features Target Application: General farm work, row crop farming, medium to heavy tillage Traction Type: 2WD (Two-Wheel Drive) 📋 Manual Details Coverage Areas Primary Coverage: Allis-Chalmers D-19 & D-19 Diesel Tractors Page Count Estimated Page Count: 400-500 pages (typical for this era and scope) Manual Type Type: Service Manual / Repair Manual Language Language: English Format Format: Digital (likely PDF, searchable text) 📖 Manual Coverage Systems Covered Engine: Diesel Engine Overhaul, Tuning, Fuel System, Lubrication, Cooling System Transmission: Transmission Reassembly, Clutch Service, Gearbox Maintenance, PTO Operation Hydraulics: Hydraulic System Service, Pump Repair, Cylinder Maintenance, Control Valve Operation Electrical: Wiring Diagrams, Starting System, Charging System, Lighting, Ignition (if applicable to diesel glow plugs) Chassis: Front Axle, Steering System, Rear Axle, Differential Service, Brakes Power Take Off: PTO Unit Service and Repair Operator Controls: Shifter Mechanisms, Pedal Adjustments Procedures Included Routine Maintenance: Oil Changes, Filter Replacements, Lubrication Points, Greasing Intervals Troubleshooting: Diagnostic Charts, Common Problems and Solutions for Engine, Transmission, Hydraulics Major Repairs: Engine Rebuild, Transmission Overhaul, Hydraulic Component Replacement Adjustments: Valve Clearance, Carburetor (if gas variant is mentioned), Brake Adjustment Technical Depth Diagnostic Capabilities: Detailed diagnostic procedures, common failure modes, troubleshooting flowcharts Rebuild Instructions: Comprehensive step-by-step instructions for complete component rebuilds with torque specifications Schematics: Detailed hydraulic schematics, electrical wiring diagrams 📊 Manual Specifications File Format Digital Format: PDF (Portable Document Format) Print Quality Image Resolution: High resolution scans for clear diagrams and text Binding Type Physical Binding: N/A (Digital Format) Paper Type Physical Paper: N/A (Digital Format) Searchability Text Search: Searchable PDF text for quick information retrieval ⚙️ Engine Specifications Primary Engine Make: Allis-Chalmers Model Diesel: 4-277 Diesel (4-cylinder) Displacement: 277 cubic inches (4.5 Liters) Performance Horsepower Drawbar: Approx. 55-60 HP (at rated RPM) Horsepower Pto: Approx. 65-70 HP (at rated RPM) Torque: Estimated 160-180 lb-ft (at peak) Fuel System Injection Type: Direct Injection (Bosch or similar) Fuel Type: Diesel Fuel Lubrication Oil Capacity: Approx. 9-10 quarts (with filter) Cooling System Coolant Capacity: Approx. 12-14 quarts 🔧 Transmission Standard Gearbox Type: Constant Mesh, Sliding Gear Transmission Optional Powershift: Power Director (2-speed transmission splitter) optional Features Number Of Gears: 8 Forward, 2 Reverse (standard) Pto Speeds: 540 RPM PTO (standard), 1000 RPM PTO (optional) Clutch Type: Dual-stage clutch (for transmission and PTO engagement) 📐 Dimensions Exterior Length: Approx. 135-140 inches Width: Approx. 70-75 inches (at rear wheels) Height: Approx. 65-70 inches (to top of steering wheel) Weights Operating Weight: Approx. 5,500 - 6,000 lbs Wheelbase: Approx. 85-90 inches 🛡️ Safety Features Ratings Operator Station: Open operator station, no factory ROPS or Seatbelt standard (accessories available) Active Features Braking System: Internal Expanding Shoe Brakes (mechanical actuation) Passive Features Lighting: Factory dual headlights, optional rear work lights 💡 Technology Features Infotainment Audio System: N/A (No factory radio typically fitted to this era) Driver Assistance Traction Control: N/A Connectivity Bluetooth: N/A 🔧 Maintenance Service Intervals Engine Oil Change: Every 100-120 operating hours or annually Fuel Filter Replacement: Every 200-250 operating hours or as needed Air Cleaner Service: Daily in dusty conditions, or as indicated by air cleaner restriction indicator Transmission Oil Change: Every 1000 operating hours or annually Fluid Specifications Engine Oil Type: API CD or MIL-L-2104B rated diesel engine oil, SAE 10W-30 or 15W-40 depending on ambient temperature Hydraulic Fluid Type: Allis-Chalmers Hy-Tran fluid or equivalent (meeting Ford M2C48-B/C specifications is often a good reference for similar era equipment) Transmission Fluid Type: API GL-4 Gear Lubricant, SAE 80W-90 (check manual for specific type) Known Issues Engine Wear: Cylinder liner wear, piston ring wear, injector pump calibration, glow plug reliability Hydraulic Performance: Leaking seals in cylinders and pumps, worn hydraulic pump, sticky control valves Transmission Engagement: Clutch wear, synchromesh ring wear, PTO engagement issues Electrical System: Corroded connections, worn wiring insulation, starter motor issues 📚 Vehicle History Brand Heritage Manufacturer History: Allis-Chalmers was a major American manufacturer of agricultural, construction, and industrial equipment, known for its innovation and quality. Model Evolution Predecessor Models: Successor to models like the D-17, part of the 'D' series tractor line. Key Innovations Of D Series: Introduction of the 'Power Director' transmission splitter, improved hydraulic systems. Production Production Location: West Allis, Wisconsin, USA Production Years: 1958-1963