Target Audience:
        
        
            Owners, mechanics, and restoration enthusiasts of Allis-Chalmers D-19 Diesel tractors
        
     
    
    
        
            Value Proposition:
        
        
            Provides essential technical data to maintain and repair a classic tractor, empowering self-sufficiency and quality workmanship.
        
     
    
    
        
            Manual Utility:
        
        
            Enables efficient troubleshooting, accurate repairs, and proper maintenance, extending the operational life of the D-19 Diesel.
        
     
 
    
    
    
        
            Engine:
        
        
            Diesel engine overhaul, tuning, fuel system, lubrication, cooling, starting system
        
     
    
        
            Transmission:
        
        
            Gearbox operation, repair, adjustments, hydraulic clutch, PTO (Power Take-Off)
        
     
    
        
            Hydraulics:
        
        
            Hydraulic system operation, pump, cylinders, control valves, lift arms, troubleshooting
        
     
    
        
            Electrical:
        
        
            Wiring diagrams, charging system, starting system, lighting, instrumentation
        
     
    
        
            Chassis And Steering:
        
        
            Front axle, steering mechanism, rear axle, differential, brakes
        
     
    
        
            Bodywork And Operator Station:
        
        
            Fenders, seat, controls, dashboard layout
        
     
    
    
        
            Maintenance:
        
        
            Scheduled maintenance, lubrication points, filter replacement, fluid changes
        
     
    
        
            Repair:
        
        
            Engine rebuild, transmission overhaul, hydraulic system repair, brake service
        
     
    
        
            Troubleshooting:
        
        
            Diagnostic charts for common problems, symptom-based troubleshooting guides
        
     
    
        
            Adjustments:
        
        
            Clutch, brakes, engine timing, hydraulic controls
        
     
    
    
        
            Depth:
        
        
            In-depth mechanical and systems repair, suitable for professional mechanics and experienced owners
        
     
 
    
    
    
        
            PDF Quality:
        
        
            High resolution, suitable for printing and digital viewing, likely includes searchable text
        
     
    
    
        
            Reproducibility:
        
        
            Designed for clear reproduction, ensuring legibility of diagrams and text
        
     
    
    
        
            Digital Binding:
        
        
            N/A (Digital Download)
        
     
    
    
        
            Digital Paper Simulation:
        
        
            N/A (Digital Download)
        
     
 
    
    
    
        
            Engine Model:
        
        
            Allis-Chalmers Diesel (specific model may vary, often a Waukesha or Continental derivative)
        
     
    
        
            Engine Type:
        
        
            Inline Diesel, typically 4-cylinder
        
     
    
    
        
            Horsepower Rated:
        
        
            Approximately 60-70 PTO horsepower (actual may vary)
        
     
    
        
            Torque Peak:
        
        
            Specifications vary by specific engine variant and tuning
        
     
    
    
        
            Injection System:
        
        
            Direct Injection, typically rotary or inline injection pump (e.g., CAV, Stanadyne)
        
     
    
    
    
        
            Oil Type:
        
        
            API CD or MIL-L-2104B/C rated diesel engine oil (e.g., 15W-30 or 10W-30)
        
     
    
    
        
            Coolant Type:
        
        
            Ethylene Glycol based coolant with rust inhibitors
        
     
 
    
    
    
        
            Transmission Type:
        
        
            Constant Mesh Gear Transmission with High-Low range selector
        
     
    
        
            Gear Speeds:
        
        
            Typically 6 forward speeds and 2 reverse speeds
        
     
    
    
        
            Power Takeoff Pto:
        
        
            Live PTO and/or Independent PTO options
        
     
    
    
        
            Clutch:
        
        
            Dual-stage clutch (transmission and PTO)
        
     
    
        
            Transmission Fluid:
        
        
            Allis-Chalmers Hy-Trans or equivalent tractor hydraulic fluid (UTF)
        
     
 
    
    
    
        
            Wheelbase:
        
        
            Approx. 80-85 inches (varies slightly by configuration)
        
     
    
    
        
            Operating Weight:
        
        
            Approx. 4,500 - 5,500 lbs (1,800 - 2,500 kg)
        
     
    
        
            Drawbar Horsepower:
        
        
            Often rated around 50-55 HP
        
     
 
    
    
    
        
            Rollover Protection:
        
        
            ROPS (Roll-Over Protective Structure) may be an aftermarket addition or factory option depending on year and region
        
     
    
    
        
            Brakes:
        
        
            Internal expanding shoe brakes, often foot-operated with parking brake lock
        
     
    
    
        
            Operator Station Design:
        
        
            Designed for agricultural use, focus on operator comfort and control during its era
        
     
 
    
    
    
        
            Engine Oil Change:
        
        
            Typically every 100-200 operating hours, or annually.
        
     
    
        
            Transmission Hydraulic Fluid Change:
        
        
            Every 500-1000 operating hours, or annually, with filter replacement.
        
     
    
        
            Air Filter Service:
        
        
            Check and clean/replace as needed, typically based on operating conditions.
        
     
    
    
        
            Engine Oil Capacity:
        
        
            Approximately 10-12 quarts (9.5-11.3 liters) for diesel models, check manual for exact.
        
     
    
        
            Hydraulic Transmission Fluid Capacity:
        
        
            Approximately 15-20 gallons (57-76 liters) for the combined hydraulic and transmission system.
        
     
    
        
            Coolant Capacity:
        
        
            Approximately 15-18 quarts (14-17 liters).
        
     
    
    
        
            Common Wear Points:
        
        
            Clutch wear, hydraulic pump wear, seal leaks, starter motor issues, injector problems.
        
     
    
        
            Potential Engine Problems:
        
        
            Gasket failures, piston ring wear, fuel injection timing drift.
        
     
    
    
        
            Oil Filter Example:
        
        
            Wix 51515, Baldwin B2, Donaldson P550342 (cross-reference required for exact engine variant)
        
     
    
        
            Fuel Filter Example:
        
        
            Wix 33340, Baldwin BF7639 (cross-reference required for exact engine variant)