Positioning:
Essential technical reference for owners and mechanics maintaining the robust Allis-Chalmers D-19 Diesel Tractor.
Value Proposition:
Provides detailed, factory-accurate procedures essential for accurate diagnosis and repair, reducing downtime and costly mistakes.
Authenticity:
Based on original factory service literature, ensuring accuracy and completeness.
Diagrams And Illustrations:
Likely includes technical drawings, exploded views, and schematics to aid in understanding.
Engine:
Detailed disassembly, assembly, overhaul, and troubleshooting of the diesel engine.
Fuel System:
Service and repair procedures for the injection pump, injectors, fuel lines, and filters.
Cooling System:
Maintenance, repair, and troubleshooting of the radiator, water pump, thermostat, and fan.
Lubrication System:
Oil pump, filter, and oil flow diagrams, as well as lubrication schedules.
Transmission:
Repair and adjustment procedures for the transmission gearbox, clutch, and PTO.
Hydraulic System:
Service for the hydraulic pump, valves, cylinders, and reservoir, including troubleshooting.
Electrical System:
Wiring diagrams, starter, generator, battery, lighting, and ignition system service.
Steering System:
Adjustment, repair, and overhaul of the steering mechanism.
Braking System:
Service and repair of the brake master cylinder, wheel cylinders, and brake bands.
Chassis And Suspension:
Front axle, rear axle, and hitch component service.
Bodywork And Frame:
Component identification and basic repair procedures for sheet metal and frame.
Power Take Off Pto:
Service and adjustment procedures for the PTO engagement and shaft.
Maintenance:
Routine maintenance checks, lubrication, filter replacement, and fluid level checks.
Troubleshooting:
Diagnostic charts and procedures for common and uncommon issues.
Disassembly And Assembly:
Step-by-step instructions for removing and reinstalling major components and sub-assemblies.
Overhaul:
Detailed procedures for rebuilding engines, transmissions, hydraulic systems, etc.
Specifications And Tolerances:
Precise measurements, torque values, and clearances for all adjustable components.
Troubleshooting Electrical:
Diagnostic flowcharts for electrical system faults.
Depth:
Comprehensive; covers from basic maintenance to complete engine and transmission rebuilds.
Precision Measurements:
Includes precise specifications for engine component clearances, bearing preloads, and gear backlash.
Engine Type:
Direct Injection Diesel
Engine Model Designation:
Typically an Allis-Chalmers or Perkins built diesel engine, specific model to be detailed within.
Displacement:
Typically around 265 cubic inches (4.34 Liters), actual displacement to be confirmed by manual.
Horsepower Rating:
Exact HP rating varies by configuration, generally in the 50-60 PTO HP range.
Torque Output:
Specifications for torque delivery, crucial for heavy draft work.
Injection System:
Likely a Bosch or CAV inline injection pump with direct injection injectors.
Transmission Type:
Constant Mesh Gearbox
Number Of Gears:
Typically 6 forward and 2 reverse speeds, or similar configurations.
Power Take Off Pto:
Standard PTO configurations, likely 540 RPM, with detailed service information.
Clutch Type:
Single plate, dry type clutch, with adjustment and replacement procedures.
Differential Lock:
Service information for the rear differential and locking mechanism, if equipped.
Overall Length:
Approximate length from front to rear (without implements).
Overall Width:
Approximate width across the rear tires.
Wheelbase:
Distance between front and rear axle centers.
Operating Weight:
Weight of the tractor without fluids or ballast, and with fluids.
Drawbar Horsepower:
Engine power at the drawbar, relevant for traction and pulling capacity.
Instrument Cluster:
Description of gauges and indicators on the dashboard (e.g., oil pressure, temperature, ammeter).
Power Steering:
Details on the optional power steering system, if equipped, and its service.
Lighting System:
Information on headlamps, tail lights, and work lights, including bulb types and wiring.
Engine Oil Change:
Factory recommended intervals for engine oil and filter changes (e.g., every 100 or 200 operating hours).
Transmission Oil Change:
Recommended intervals for transmission and hydraulic fluid changes.
Greasing Schedule:
Daily, weekly, and monthly lubrication points for the entire tractor.
Engine Oil Type:
Specific viscosity grade (e.g., SAE 30 or 10W-30 diesel engine oil) and API service classification.
Hydraulic Fluid Type:
Type and viscosity of hydraulic/transmission fluid required (e.g., TDH or UTF).
Coolant Type:
Specification for coolant mixture (e.g., 50/50 antifreeze and water).
Transmission Fluid Capacity:
Specific volume of hydraulic/transmission fluid required.
Common Wear Points:
Identifying common areas of wear, such as clutch, PTO, hydraulic pump seals, and engine components.
Troubleshooting Guide:
Guidance on diagnosing and resolving issues like hard starting, loss of power, or hydraulic leaks.
