Historical Context:
The Allis-Chalmers D-19 was a significant tractor model produced during a period of agricultural mechanization, designed for a range of farm tasks. It represented a key offering in Allis-Chalmers' tractor lineup.
Market Segment:
The D-19 competed in the medium-horsepower farm tractor segment, facing competition from manufacturers like John Deere, International Harvester, Ford, and Massey Ferguson.
Value Proposition:
This manual provides essential technical data and procedural guidance to maintain, diagnose, and repair the Allis-Chalmers D-19 and D-19 Diesel, ensuring optimal performance and longevity.
Digital Advantage:
Instant PDF download offers immediate access to critical repair information without shipping delays or physical media handling.
Completeness Assurance:
The manual is stated to be 100% complete and intact, ensuring no missing or corrupt pages that could hinder repair efforts.
Engine:
Detailed engine overhaul, repair, disassembly, assembly, and adjustment procedures for both gasoline and diesel variants of the D-19.
Transmission:
Comprehensive coverage of transmission operation, removal, installation, disassembly, assembly, and adjustment, likely including the specific gearbox fitted to the D-19.
Drivetrain:
Includes procedures for rear axle, differential, drive shafts, and associated components.
Fuel System:
Detailed information on fuel tank, lines, filters, injection pump (for diesel), carburetor (for gasoline), and related components.
Cooling System:
Covers radiator, water pump, thermostat, hoses, and fan assembly for effective temperature regulation.
Electrical System:
Includes starter, generator/alternator, battery, ignition system (gasoline), lighting, and instrument panel.
Hydraulic System:
Details on the tractor's hydraulic pump, reservoir, control valve, cylinders, and associated plumbing for implements.
Steering System:
Information on steering mechanism, linkages, and potential power steering components.
Braking System:
Covers brake operation, maintenance, adjustments, and potential component repair.
Front Axle And Steering Geometry:
Details on front axle components, kingpins, tie rods, and alignment specifications.
Rear Axle And Differential:
In-depth procedures for rear axle housing, differential assembly, and final drives.
Power Take Off Pto:
Coverage of PTO operation, engagement, and maintenance.
Operator Controls:
Details on all levers, pedals, and controls for efficient operation and maintenance.
Operator Station:
Includes information on the seat, steering column, dashboard, and other operator interface components.
Maintenance:
Scheduled maintenance, lubrication, fluid changes, filter replacements, and general upkeep.
Troubleshooting:
Diagnostic procedures and common problem identification for various systems.
Repair:
Step-by-step instructions for the repair and rebuilding of all major components.
Disassembly And Assembly:
Detailed guides for taking apart and putting back together all major systems and components.
Adjustments:
Specific procedures for making necessary adjustments to engines, transmissions, brakes, hydraulics, and other systems.
Specifications:
Crucial service data, including torque specifications, wear limits, clearances, and tolerances.
Special Tool Usage:
Identification and instructions for the use of specialized service tools required for specific repair tasks.
Level Of Detail:
Comprehensive, step-by-step procedures with detailed explanations, pictorial diagrams, exploded views, and photos for bumper-to-bumper repair.
Target Audience:
Mechanics and DIY individuals, with explanations simplified for new personnel to provide satisfactory service.
Engine Type:
Internal Combustion (Gasoline and Diesel variants available)
Horsepower Range:
Specific horsepower varies by engine option (e.g., approximately 50-60 PTO horsepower range for the D-19 series), detailed in the manual.
Torque Specifications:
Detailed torque values for critical engine components are provided for accurate assembly.
Diesel Injection:
The diesel variant utilizes a specific injection system (e.g., Bosch, CAV), with diagnostic and repair procedures outlined.
Gasoline Carburetion:
The gasoline variant features a carburetor, with its adjustment and maintenance covered.
Cylinder Head Overhaul:
Detailed procedures for valve servicing, head gasket replacement, and cylinder head reconditioning.
Piston And Ring Service:
Instructions for piston removal, cleaning, ring replacement, and cylinder bore measurement.
Crankshaft And Bearing Service:
Procedures for crankshaft removal, bearing inspection, and clearance checks.
Camshaft And Timing Gear Service:
Details on camshaft removal, installation, and timing gear alignment for optimal engine timing.
Lubrication System:
Coverage of oil pump, oil filter, oil passages, and lubrication system troubleshooting.
Gearbox Type:
Likely a manual transmission, possibly with multiple gear sets (e.g., 8-speed or more) and a hi-low range selector, specific details within the manual.
Power Steering:
Optional power steering system details may be included if equipped.
Clutch Service:
Instructions for clutch inspection, adjustment, and replacement.
Gear Shift Linkage Adjustment:
Procedures for ensuring smooth and accurate gear selection.
Transmission Fluid Capacity:
Specific fluid capacity and recommended lubricant type for the transmission will be detailed.
Engine Oil Change:
Detailed engine oil and filter change intervals (e.g., every 100-200 operating hours) are provided.
Transmission Fluid Change:
Recommended intervals for transmission fluid and filter service are outlined.
Hydraulic Fluid Change:
Guidance on hydraulic fluid and filter replacement intervals for optimal system performance.
Engine Oil Grade:
Specific API service classifications and SAE viscosity grades for engine oil (e.g., SAE 30 or 10W-30 depending on climate) are detailed.
Transmission Fluid Type:
Recommended transmission fluid type (e.g., Type A Suffix A, or specific Allis-Chalmers recommendations) will be specified.
Hydraulic Fluid Type:
Specifications for hydraulic fluid, including viscosity and additive requirements, are provided.
Coolant Type:
Information on the correct type and mixture of coolant for the engine's cooling system.
Common Wear Points:
The manual implicitly addresses common wear points by providing specifications for clearances and wear limits on engine, transmission, and hydraulic components.
Troubleshooting Guidance:
The manual is designed to help diagnose and rectify issues such as starting problems, power loss, hydraulic leaks, and transmission malfunctions.
