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.