Product Type:
        
        
            Service Repair Manual Download
        
     
    
    
        
            Benefit 1:
        
        
            Save money on repairs.
        
     
    
        
            Benefit 2:
        
        
            Easy-to-follow, step-by-step instructions.
        
     
    
        
            Benefit 3:
        
        
            Comprehensive coverage of all services and repairs.
        
     
    
        
            Benefit 4:
        
        
            Empowers users to perform repairs themselves.
        
     
    
        
            Benefit 5:
        
        
            Keeps users up-to-date with repair knowledge.
        
     
 
    
    
    
        
            Engine:
        
        
            Detailed repair procedures, overhaul specifications, troubleshooting for diesel engine.
        
     
    
        
            Fuel System:
        
        
            Inspection, adjustment, and repair of injection pump, injectors, and fuel lines.
        
     
    
        
            Cooling System:
        
        
            Radiator, thermostat, water pump, and coolant specifications.
        
     
    
        
            Lubrication System:
        
        
            Oil pump, filter, lubrication points, and oil change intervals.
        
     
    
        
            Transmission:
        
        
            Clutch, gearbox, final drive, and PTO repair and adjustment.
        
     
    
        
            Hydraulic System:
        
        
            Hydraulic pump, control valve, lift arms, and cylinder service.
        
     
    
        
            Steering System:
        
        
            Steering gears, tie rods, and wheel alignment.
        
     
    
        
            Brake System:
        
        
            Brake pedal, master cylinder, wheel cylinders, and brake band adjustment.
        
     
    
        
            Electrical System:
        
        
            Starter, generator/alternator, battery, lighting, and wiring diagrams.
        
     
    
        
            Chassis And Frame:
        
        
            Frame inspection, front axle, and rear axle service.
        
     
    
        
            Body And Sheetmetal:
        
        
            Fenders, hood, seat, and operator's platform.
        
     
    
    
        
            Routine Maintenance:
        
        
            Oil changes, filter replacements, lubrication, and inspections.
        
     
    
        
            Troubleshooting:
        
        
            Step-by-step diagnostic procedures for common and uncommon issues.
        
     
    
        
            Engine Overhaul:
        
        
            Complete engine disassembly, inspection, repair, and reassembly instructions.
        
     
    
        
            Transmission Repair:
        
        
            Gearbox disassembly, bearing replacement, and synchronizer repair.
        
     
    
        
            Hydraulic System Service:
        
        
            Pump seal replacement, valve adjustments, and cylinder resealing.
        
     
    
        
            Electrical Diagnostics:
        
        
            Wiring harness repair, component testing, and voltage checks.
        
     
    
        
            Wheel Alignment:
        
        
            Specifications and procedures for front wheel alignment.
        
     
    
        
            Brake Adjustment:
        
        
            Service and parking brake adjustment procedures.
        
     
    
    
        
            Depth Level:
        
        
            In-depth, professional quality, step-by-step instructions.
        
     
    
        
            Visual Aids:
        
        
            Includes pictures and wiring diagrams.
        
     
 
    
    
    
    
        
            Engine Manufacturer:
        
        
            Allis-Chalmers (likely built/specified)
        
     
    
        
            Engine Model Code:
        
        
            Specific model code not provided, but typically an in-house design or licensed engine.
        
     
    
    
        
            Horsepower:
        
        
            Approximately 45 PTO horsepower (WD45 general spec, diesel variant may vary slightly).
        
     
    
        
            Torque:
        
        
            Specific torque figures not provided in product description.
        
     
    
    
        
            Injection System:
        
        
            Direct injection, likely with CAV or Bosch components.
        
     
    
 
    
    
    
        
            Wheelbase:
        
        
            Approximately 84 inches (2134 mm).
        
     
    
    
        
            Operating Weight:
        
        
            Around 4,500 - 5,000 lbs (2041 - 2268 kg) without ballast.
        
     
    
        
            Front Axle Weight:
        
        
            Approx. 1,500 lbs (680 kg).
        
     
    
        
            Rear Axle Weight:
        
        
            Approx. 3,000 - 3,500 lbs (1361 - 1588 kg).
        
     
 
    
    
    
        
            Engine Oil Change:
        
        
            Typically every 40-50 hours of operation or annually, depending on duty cycle. Manual will specify.
        
     
    
        
            Oil Filter Replacement:
        
        
            At each oil change.
        
     
    
        
            Air Filter Cleaning Or Replacement:
        
        
            Frequent checks and cleaning recommended, especially in dusty conditions. Manual will provide specific intervals.
        
     
    
        
            Transmission Oil Change:
        
        
            Typically every 600-1000 hours. Manual will provide specific interval and fluid type.
        
     
    
    
        
            Engine Oil:
        
        
            API CD or equivalent diesel engine oil, viscosity grade determined by ambient temperature (e.g., SAE 10W-30, 15W-40). Consult manual for exact specification.
        
     
    
        
            Transmission Hydraulic Fluid:
        
        
            Allis-Chalmers THF or equivalent universal tractor transmission fluid (UTTO). Capacity approx. 5-6 gallons. Manual will specify.
        
     
    
        
            Coolant:
        
        
            Permanent type antifreeze, typically a 50/50 mix with distilled water. Manual will provide capacity and type.
        
     
    
    
        
            Common Problem 1:
        
        
            Hydraulic system leaks (e.g., worn seals in pump or cylinders).
        
     
    
        
            Common Problem 2:
        
        
            Clutch wear and adjustment issues.
        
     
    
        
            Common Problem 3:
        
        
            Engine starting problems in cold weather (glow plugs or compression).
        
     
    
        
            Common Problem 4:
        
        
            Brake band wear or adjustment.
        
     
    
        
            Common Problem 5:
        
        
            Electrical system component failures (starter, generator).
        
     
 
    
    
    
        
            Manufacturer:
        
        
            Allis-Chalmers was a significant American manufacturer of agricultural and construction equipment.
        
     
    
    
        
            Predecessor:
        
        
            Successor to the WD tractor.
        
     
    
        
            Successor:
        
        
            Part of the line leading to later Allis-Chalmers models.
        
     
    
    
        
            Production Years:
        
        
            The WD45 (gas/LP) was produced from 1953-1957. The WD45D diesel variant was introduced around 1955 and produced until the end of the WD45 line.
        
     
    
        
            Manufacturing Location:
        
        
            Likely manufactured in the United States by Allis-Chalmers.