Tractor Segment:
Medium-duty row-crop tractor.
Competitors:
John Deere 3020/4020, International Harvester 706/806, Massey Ferguson 165/175, Ford 4000/5000 series.
Engine Options:
Offered with both gasoline and diesel engine options, with the D-19 Diesel being a significant variant.
Hydraulic System:
Advanced for its time, typically featuring a robust hydraulic system for implement control.
Transmission:
Often equipped with a multi-speed transmission for versatile field operations.
Engine System:
Detailed diagnostic, repair, and overhaul procedures for diesel engines.
Fuel System:
Fuel injection pump, injectors, fuel lines, filters, and tank maintenance and repair.
Cooling System:
Radiator, water pump, thermostat, hoses, and fan servicing.
Lubrication System:
Oil pump, oil filter, lubrication passages, and oil pressure checks.
Electrical System:
Starting system, charging system (alternator/generator), battery, ignition (if applicable for earlier models), lighting, and wiring diagrams.
Transmission System:
Gearbox overhaul, clutch service, PTO (Power Take-Off) operation and repair.
Hydraulics System:
Hydraulic pump, control valve, cylinders, filters, and fluid specifications for implement operation.
Steering System:
Steering box, linkage, and hydraulic steering assist (if equipped) repair.
Braking System:
Brake adjustment, repair of brake assemblies (drum/disc), master cylinder, and lines.
Front Axle And Steering:
Front axle components, kingpins, and steering linkage service.
Rear Axle And Drive:
Rear axle housing, differential, and final drive unit repair.
Drawbar And Hitch:
Adjustment and maintenance of hitch and drawbar components.
Operator Station And Controls:
Dashboard, controls, seat, and controls linkage repair.
Body And Sheetmetal:
Fender repair, hood maintenance, and general chassis work.
Maintenance Procedures:
Lubrication schedules, filter changes, fluid top-offs, and general upkeep.
Diagnostic Procedures:
Troubleshooting common problems, symptom analysis, and diagnostic charts.
Disassembly And Reassembly:
Step-by-step instructions for component removal and installation.
Overhaul Procedures:
Complete engine, transmission, and hydraulic system rebuild instructions.
Adjustment Procedures:
Valve adjustments, brake adjustments, clutch adjustments, and linkage settings.
Special Tool Requirements:
Identification and usage of specialized tools required for certain repairs.
Torque Specifications:
Precise torque values for critical fasteners.
Depth:
Comprehensive, covering everything from basic maintenance to complete engine and transmission rebuilds. Suitable for professional mechanics and advanced DIY users.
Diesel Engine Model:
Typically a Waukesha or Perkins diesel engine, specific model varies by build date. For D-19 Diesel, often a 4-cylinder diesel.
Horsepower Rating:
Approx. 60-70 PTO horsepower (diesel variant).
Torque Rating:
Significant torque for its class, enabling robust pulling power.
Injection Type:
Direct injection, typically with a Bosch or CAV injection pump.
Cooling Method:
Water-cooled
Oil Capacity:
Refer to manual for exact capacity, typically around 8-10 quarts for the engine oil.
Engine Oil Change:
Typically every 100-150 operating hours, or annually.
Fuel Filter Change:
As recommended by manufacturer, usually with oil changes or when issues arise.
Air Filter Service:
Regular cleaning or replacement, depending on type (oil bath or dry element).
Engine Oil Type:
Refer to manual; likely a SAE 30 or 15W-40 diesel engine oil.
Hydraulic Fluid Type:
Refer to manual; typically a universal tractor transmission oil (UTTO) or specific Allis-Chalmers hydraulic fluid.
Coolant Type:
Ethylene glycol based antifreeze with corrosion inhibitors, mixed 50/50 with water.
Common Wear Points:
Hydraulic pump wear, PTO clutch wear, potential for injector pump timing issues, steering component wear.
Engine Reliability:
Generally robust diesel engines, but require consistent maintenance. Injector pump and injector service are key.