Target Audience:
Tractor owners, mechanics, and restoration enthusiasts seeking comprehensive repair information.
Value Proposition:
Enables DIY repairs, saving significant costs and providing deep technical understanding.
Content Highlight:
Covers all services, repairs, and routine maintenance with detailed diagrams and instructions.
Engine Overhaul:
Complete engine disassembly, inspection, repair, and reassembly procedures.
Fuel System:
Carburetor, fuel pump, fuel filter, fuel lines, and tank maintenance and repair.
Cooling System:
Radiator, thermostat, water pump, hoses, and fan service.
Ignition System:
Spark plugs, distributor, ignition coil, and wiring diagnostics and repair.
Transmission Service:
Repair and overhaul of the transmission, including clutch, gearbox, and hydraulic systems.
Hydraulic System:
Power steering, 3-point hitch hydraulics, and PTO hydraulic system maintenance and repair.
Electrical System:
Starter, generator/alternator, battery, lighting, and wiring harness repair and troubleshooting.
Brake System:
Service and repair of internal expanding shoe brakes or disc brakes (depending on specific build).
Steering System:
Diagnosis and repair of steering mechanisms, including power steering components.
Chassis And Frame:
Inspection, repair, and adjustment of the tractor frame and associated components.
Body And Fenders:
Repair and maintenance of the tractor's body panels, fenders, and operator station.
Power Takeoff Pto:
Service and repair of both independent and transmission-driven PTO systems.
Front Axle And Steering:
Maintenance and repair of the front axle assembly and steering linkage.
Rear Axle And Differential:
Overhaul and repair of the rear axle, differential, and final drives.
Routine Maintenance:
Oil changes, filter replacements, lubrication points, and general inspection procedures.
Troubleshooting Guides:
Step-by-step diagnostic procedures for common and uncommon problems.
Disassembly And Reassembly:
Detailed instructions for taking apart and putting back together all major tractor components.
Adjustments And Settings:
Precise instructions for setting clearances, pressures, and alignments.
Wiring Diagrams:
Comprehensive electrical schematics for troubleshooting and repair.
Torque Specifications:
Essential torque values for critical fasteners throughout the tractor.
Depth Level:
Full Professional Quality, In-depth Service and Repair
Instruction Style:
Easy to follow step-by-step instructions with pictures.
Engine Family:
International Harvester DT-407 (Diesel)
Engine Type:
Diesel, 4-stroke
Displacement:
407 cubic inches (6.67 liters)
Bore X Stroke:
4.25 in. x 4.50 in. (108 mm x 114 mm) (Typical)
Horsepower Rated Pto:
Approximately 74 HP (PTO) (Varies by specific configuration)
Horsepower Rated Drawbar:
Approximately 63 HP (Drawbar) (Varies by specific configuration)
Injection System:
Roosa Master rotary injection pump (Typical)
Engine Oil Change:
Every 100-150 hours or annually, whichever comes first (refer to manual for exact specifications).
Transmission Oil Change:
Typically every 500-1000 hours (refer to manual for specific fluid type and capacity).
Hydraulic Fluid Change:
Typically every 500-1000 hours (refer to manual for specific fluid type and capacity).
Engine Oil Type:
API Service CD or CE rated diesel engine oil, SAE 15W-30 or 10W-30 depending on climate (refer to manual for exact specs).
Transmission Hydraulic Fluid:
IH Hy-Trans (or equivalent) or Caterpillar TO-2 specification fluid (refer to manual for exact specs).
Coolant Type:
Ethylene glycol based antifreeze with corrosion inhibitors, mixed 50/50 with distilled water.
Common Wear Items:
Clutch wear, TA engagement issues, hydraulic pump and cylinder leaks, starter motor problems.
Diesel Engine Considerations:
Glow plug reliability (if equipped), injector pump timing, injector nozzle wear, cylinder head gasket integrity.