Tractor Class:
        
        
            Mid-size utility tractor, popular for general farm work and row crop cultivation.
        
     
    
    
        
            Competitors:
        
        
            Competed with models from John Deere (e.g., 3020 series), International Harvester (e.g., 706 series), and Ford (e.g., 5000 series).
        
     
    
    
        
            Traction Boost:
        
        
            Often featured traction boost systems for improved pulling power.
        
     
    
        
            Power Steering:
        
        
            Power steering was a significant feature enhancing operator comfort and control.
        
     
    
        
            Hydraulic Lift:
        
        
            Robust hydraulic lift system (Allis-Chalmers 'Roll-O-Matic' or similar) for implements.
        
     
    
        
            Engine Options:
        
        
            Available with both gasoline and diesel engine options.
        
     
    
        
            Transmission Options:
        
        
            Offered with a standard manual transmission and an optional Power-Shift transmission.
        
     
 
    
    
    
        
            Engine Overhaul:
        
        
            Comprehensive engine rebuild procedures, including disassembly, inspection, machining specifications, assembly, and timing.
        
     
    
        
            Fuel System:
        
        
            Carburetor service, fuel pump, fuel filter replacement, and fuel line troubleshooting.
        
     
    
        
            Cooling System:
        
        
            Radiator, thermostat, water pump, and coolant system maintenance and repair.
        
     
    
        
            Ignition System:
        
        
            Spark plugs, ignition timing, distributor service, and wiring diagrams.
        
     
    
        
            Transmission Manual:
        
        
            Service and overhaul procedures for the manual transmission, including clutch operation and linkage adjustments.
        
     
    
        
            Transmission Powershift:
        
        
            Service and repair of the optional Power-Shift transmission, including hydraulic controls and internal components.
        
     
    
        
            Hydraulic System:
        
        
            Hydraulic pump, control valves, lift arms, remote cylinder operation, and hydraulic fluid specifications.
        
     
    
        
            Electrical System Components:
        
        
            Starter, alternator/generator, battery service, lighting, and accessory circuits.
        
     
    
        
            Steering System:
        
        
            Manual steering linkage, power steering unit (if equipped), and related maintenance.
        
     
    
        
            Brake System:
        
        
            Brake pedal, master cylinder, wheel cylinders, brake shoes, and adjustment procedures.
        
     
    
        
            Front Axle And Steering:
        
        
            Front wheel bearings, kingpins, tie rods, and steering knuckle service.
        
     
    
        
            Rear Axle And Drive:
        
        
            Rear axle assembly, differential service, and drive shaft maintenance.
        
     
    
        
            Cooling Fan And Drive:
        
        
            Fan belt tension and drive mechanism.
        
     
    
        
            Operator Station:
        
        
            Seat, controls, and dashboard component identification and service.
        
     
    
        
            Body And Fenders:
        
        
            Sheet metal repair, panel alignment, and fender mounting.
        
     
    
    
        
            Routine Maintenance:
        
        
            Oil changes, filter replacements, lubrication points, and general inspection procedures.
        
     
    
        
            Disassembly And Assembly:
        
        
            Step-by-step instructions for disassembling and reassembling all major tractor components.
        
     
    
        
            Troubleshooting Guides:
        
        
            Diagnostic charts and symptom-based troubleshooting for common operational issues.
        
     
    
        
            Calibration And Adjustment:
        
        
            Detailed instructions for adjusting clutches, brakes, engine timing, and hydraulic controls.
        
     
    
        
            Special Tool Requirements:
        
        
            Identification of special tools required for specific service operations.
        
     
    
        
            Torque Specifications:
        
        
            Precise torque values for all critical fasteners during assembly and disassembly.
        
     
    
        
            Wiring Diagrams:
        
        
            Comprehensive electrical schematics for all model configurations.
        
     
    
        
            Diagnostic Codes:
        
        
            Explanation of any diagnostic codes or indicators specific to the tractor.
        
     
    
    
        
            Depth:
        
        
            Comprehensive, from basic maintenance to full engine and transmission rebuilds, including detailed component-level repair.
        
     
 
    
    
    
        
            Engine Make:
        
        
            Allis-Chalmers
        
     
    
        
            Engine Model Diesel:
        
        
            D-17 Diesel (e.g., 251 cubic inch, 4-cylinder diesel)
        
     
    
    
        
            Engine Model Gasoline:
        
        
            D-17 Gasoline (e.g., 201 cubic inch, 4-cylinder gasoline)
        
     
    
    
        
            Horsepower Diesel Drawbar:
        
        
            Approximately 45-50 PTO HP (Power Take-Off Horsepower)
        
     
    
        
            Horsepower Diesel Pto:
        
        
            Approximately 50-55 PTO HP
        
     
    
    
        
            Horsepower Gasoline Drawbar:
        
        
            Approximately 40-45 drawbar HP
        
     
    
        
            Horsepower Gasoline Pto:
        
        
            Approximately 45-50 PTO HP
        
     
    
    
        
            Diesel Injection:
        
        
            Direct injection (e.g., Roosa Master or Simms injector pump)
        
     
    
        
            Gasoline Carburetor:
        
        
            Updraft or downdraft carburetor (e.g., Marvel-Schebler)
        
     
    
    
        
            Oil Type:
        
        
            CD/CE or SF/CD rated diesel engine oil (e.g., 15W-40) for diesel; SE/SF rated gasoline engine oil (e.g., 10W-30/10W-40) for gasoline.
        
     
    
        
            Oil Capacity:
        
        
            Approximately 6-7 quarts (with filter)
        
     
 
    
    
        
        Service Intervals Engine Oil
    
 
    
        
            Interval Hours:
        
        
            Every 100-150 operating hours (typical for diesel).
        
     
    
        
        Service Intervals Fuel Filter
    
 
    
        
            Interval Hours:
        
        
            Replace as needed, or every 200-300 operating hours.
        
     
    
        
        Service Intervals Air Filter
    
 
    
        
            Interval Hours:
        
        
            Clean daily, replace as needed or every 100-200 operating hours (depending on dust conditions).
        
     
    
    
        
            Hydraulic Fluid Type:
        
        
            TO-2 (John Deere Type 2) or equivalent universal tractor transmission oil (UTTO).
        
     
    
        
            Transmission Fluid Type:
        
        
            TO-2 (John Deere Type 2) or equivalent UTTO.
        
     
    
        
            Coolant Type:
        
        
            Ethylene glycol based antifreeze/coolant (50/50 mix with water).
        
     
    
    
        
            Hydraulic Leaks:
        
        
            Common wear in hydraulic pumps, seals, and cylinder packing leading to reduced lift capacity or leaks.
        
     
    
        
            Clutch Wear:
        
        
            Wear on clutch plates and bearings, especially with heavy use or improper operation.
        
     
    
        
            Engine Overheating:
        
        
            Can occur due to plugged radiator fins, faulty thermostat, or worn water pump.
        
     
    
        
            Transmission Gear Grinding:
        
        
            Can indicate worn synchronizers or linkage issues in manual transmissions, or internal wear in Power-Shift units.
        
     
    
        
            Electrical System Aging:
        
        
            Frayed wiring, corroded terminals, and aging starter/alternator components are common due to age.