Target User:
Farm owners, mechanics, collectors, and DIY enthusiasts working on Allis-Chalmers D19 tractors
Value Proposition:
Provides essential repair and maintenance knowledge, enabling cost savings on professional servicing and empowering owners for self-sufficiency.
Diagram Emphasis:
Manual prioritizes clear, high-quality diagrams, a critical asset for understanding complex mechanical assemblies.
Problem Solving:
Explicitly designed to assist users in resolving a wide range of tractor issues.
Engine System:
Full overhaul, tuning, fuel injection, lubrication, cooling
Transmission System:
Repair, adjustment, and maintenance of power train components
Electrical System:
Wiring diagrams, starter, generator/alternator, battery, lighting
Hydraulic System:
Operation, maintenance, and repair of hydraulic lift and auxiliary systems
Steering System:
Components, service procedures, and troubleshooting
Braking System:
Mechanical brake system inspection and repair
Chassis And Suspension:
Front axle, steering linkage, and rear axle service
Operator Station:
Seat, controls, and dashboard servicing
Preventive Maintenance:
Lubrication charts, fluid changes, filter replacements, daily checks
Troubleshooting:
Diagnosing common operational issues and component failures
Repair Procedures:
Step-by-step instructions for component disassembly, repair, and reassembly
Adjustment Procedures:
Valve adjustment, clutch adjustment, brake adjustment, governor settings
Overhaul Instructions:
Detailed guidance for complete engine, transmission, and hydraulic overhauls
Depth:
Comprehensive workshop level, covering routine maintenance to major component rebuilds
Engine Model Diesel:
Allis-Chalmers D19 Diesel (Specific engine code likely found within manual)
Engine Configuration:
Typically a 4-cylinder, direct-injection diesel engine (details within manual)
Horsepower Range:
Estimated 50-60 HP range, dependent on specific engine tune and configuration (refer to manual for precise figures)
Torque Range:
Significant torque for its class, crucial for heavy draft work (refer to manual for precise figures)
Injection System:
Direct Injection, likely with Bosch or similar fuel injection pump (details in manual)
Transmission Type:
Manual Transmission, likely with multiple forward gears and reverse (e.g., 8-speed, 10-speed)
Power Takeoff Pto:
Independent PTO and/or transmission-driven PTO (details in manual)
Differential Lock:
Likely equipped with a differential lock for enhanced traction
Wheelbase:
Standard agricultural tractor wheelbase, designed for stability (specific dimensions in manual)
Operating Weight:
Significant weight for traction and stability, typically in the 5,000-7,000 lb range (specifics in manual)
Drawbar Pull Capacity:
Designed for substantial pulling power, rated for agricultural implements (refer to manual for specifications)
Safety Standards:
Operated under industry safety standards of its era (e.g., OSHA for operator safety). Manual will detail safe operating practices.
Braking System Type:
Mechanical drum or disc brakes (manual will detail specific type and maintenance)
Operator Station Design:
Designed for operator visibility and control placement, though modern ROPS/FOPS not standard unless retrofitted (manual covers controls).
Engine Oil Change:
Typically 50-100 operating hours, or annually (manual will specify exact interval and oil type)
Air Filter Service:
Regular checks and cleaning/replacement based on operating conditions (manual will detail)
Fuel Filter Replacement:
Scheduled replacement interval for optimal fuel system performance (manual specifies)
Engine Oil Type:
API CD or equivalent, SAE 30 or 10W-30 based on temperature (manual for precise grade)
Hydraulic Fluid Type:
Allis-Chalmers "THF" (Tractor Hydraulic Fluid) or equivalent UTF (Universal Tractor Transmission Fluid) (manual for exact specification and capacity)
Transmission Fluid Type:
Gear oil, likely SAE 90 or 80W-90 (manual for specific type and capacity)
Common Wear Points:
Wear in clutch components, hydraulic pump seals, and potentially injection pump timing issues. Engine rebuilds may be common on older units.
Electrical System Reliability:
Older electrical systems can be prone to corrosion and wiring degradation; manual provides wiring diagrams for diagnosis.
Manufacturer History:
Allis-Chalmers was a prominent American manufacturer of agricultural and construction machinery, known for its distinctive orange paint.
D Series Significance:
The D19 was a significant model in the Allis-Chalmers 'D' series, offering increased power and features over earlier models.
Production Years:
Produced primarily in the early to mid-1960s (specific years like 1959-1963, verify in manual)
