Basic Information Identification Make: Allis-Chalmers Model: D-19 Model Designation: D-19 Diesel Codes Product Identifier: Allis Chalmers D-19 Diesel Factory Service Repair Manual PDF Download Introduction Market Position Category: Agricultural Tractor Target Audience: Tractor owners, mechanics, restoration enthusiasts, and agricultural businesses. Competitive Analysis Value Proposition: Provides authoritative, factory-level repair information essential for maintaining the longevity and performance of the Allis-Chalmers D-19 Diesel. Key Features Completeness: Official factory documentation ensures accuracy and completeness of procedures and specifications. Digital Accessibility: PDF format allows for easy access, searching, and selective printing. Manual Details Coverage Areas Coverage: Complete official factory service and repair information for the Allis-Chalmers D-19 Diesel tractor. Page Count Page Count: Hundreds of pages (exact count not specified, but implies comprehensive coverage) Manual Type Type: Factory Service Repair Manual Language Language: English Format Format: PDF Download Manual Coverage Systems Covered Engine: Detailed diagnostics, overhaul procedures, and specifications for the diesel engine. Fuel System: Information on injection pumps, injectors, fuel lines, filters, and troubleshooting. Cooling System: Radiator, thermostat, water pump, hoses, and maintenance. Lubrication System: Oil pump, filter, pressure, and lubrication intervals. Electrical System: Battery, starting motor, charging system (alternator/generator), ignition (if applicable for diesel glow plugs), lighting, and wiring diagrams. Transmission: Operation, overhaul, troubleshooting, and specifications for the transmission components. Clutch: Adjustment, repair, and replacement of the clutch assembly. Power Take-Off Pto: PTO operation, maintenance, and repair. Hydraulic System: Hydraulic pump, control valves, cylinders, fluid specifications, and troubleshooting. Steering System: Mechanical and power steering systems, including components and adjustments. Braking System: Brake operation, maintenance, adjustments, and component replacement. Front Axle And Steering: Front axle assembly, steering knuckles, kingpins, and alignment. Rear Axle And Differential: Rear axle housing, differential, and final drive components. Drawbar And Hitch: Information on the drawbar and hitch systems. Chassis And Frame: Frame integrity, mounting points, and chassis components. Bodywork And Fenders: Sheet metal, fenders, operator platform, and related components. Troubleshooting: Diagnostic charts and common problem identification for all major systems. Procedures Included Routine Maintenance: Oil changes, filter replacements, lubrication points, and general upkeep. Major Repairs: Complete overhaul and rebuild procedures for engine, transmission, hydraulics, and other major components. Diagnostics: Step-by-step diagnostic procedures for identifying malfunctions. Adjustments: Procedures for adjusting clutch, brakes, linkage, and other critical settings. Disassembly And Assembly: Detailed instructions for taking apart and reassembling components. Troubleshooting Guides: Systematic approaches to identify and resolve issues. Wiring Diagrams: Complete electrical schematics for the tractor. Technical Depth Depth: Comprehensive, covering from basic maintenance to complete engine and transmission overhauls. Manual Specifications File Format File Type: PDF Searchable: Likely searchable due to PDF format, enhancing usability. Print Quality Printability: Printable in its entirety or by individual pages. Binding Type Binding: N/A (Digital PDF download) Paper Type Paper Quality: N/A (Digital PDF download) Engine Specifications Primary Engine Engine Type: Diesel Engine Manufacturer: Allis-Chalmers (or potentially licensed) Displacement: Typically around 250-270 cubic inches for comparable models, but specific D-19 diesel displacement requires confirmation from manual. Performance Horsepower: Manufacturer specifications required, but typically in the 40-50 PTO HP range for tractors of this era and size. Torque: Manufacturer specifications required. Fuel System Fuel Type: Diesel Fuel Injection System: Direct Injection (typical for period diesel tractors), with specific pump and injector details in manual. Transmission Standard Transmission Type: Manual Shuttle Transmission (specific number of gears to be detailed in manual, e.g., 4-speed or 8-speed with dual range). Optional Optional Gearbox: May have offered live PTO or other power take-off configurations. Features Gear Selection: Details on gear shifting and range selection within the manual. Dimensions Exterior Wheelbase: Specifications to be found in the manual, typical for tractors of this size class. Weights Operating Weight: Specifications to be found in the manual. Typically around 5,000-6,000 lbs for this class. Safety Features Ratings Rollover Protection: Original models likely did not have ROPS as standard; manual may cover installation of aftermarket ROPS if applicable. Active Features Braking System Type: Typically internal expanding shoe brakes, operated by foot pedals. Passive Features Operator Station: Open station, possibly with a basic seat and controls. Safety aspects related to controls and guards detailed in manual. Technology Features Infotainment Infotainment System: N/A - Basic agricultural tractor design from the 1960s. Driver Assistance Driver Assistance Features: N/A - Basic agricultural tractor design from the 1960s. Maintenance Service Intervals Engine Oil Change: Typically every 50-100 operating hours, refer to manual for exact interval and oil type. Fuel Filter Replacement: Regular replacement based on hours or contamination levels, as specified in manual. Hydraulic Fluid Change: Refer to manual for recommended intervals, often annually or based on hours. Fluid Specifications Engine Oil: Specific viscosity grade (e.g., SAE 30 or 10W-30 depending on climate) and API classification to be detailed in the manual. Hydraulic Fluid: Manufacturer-specified hydraulic fluid type and viscosity grade. Often Type 'A' or equivalent, or a specialized tractor hydraulic fluid (THF). Transmission Fluid: Specific gear...