All 56 pages of this International Harvester T-4, T-5, TD-5 Operator Manual (OEM #1003936R1) are written for one person: the operator who keeps these crawler tractors running. Inside, you get a full safety section with danger, warning, and caution callouts, plus instrument panel walkthroughs covering seat adjustment, gear shift lever, brake lock, and power take-off controls. Separate lubrication guides for diesel and gasoline models step you through every dipstick, oil cup, and track roller grease point, while independent troubleshooting sections for each fuel type break down faults from hard starting to transmission shift problems. Your T-4 delivers 28.41 drawbar HP from a 4-cylinder engine; the bolt and nut torque table hands you the exact figures for the final drive bull gear shaft bearing lock nut. No more flipping through a generic shop manual for numbers that don't match your machine. Bookmarked by section, tap straight to what you need on any device.
What's Inside This International Harvester T-4, T-5, TD-5 Operator Manual
| System | Pages | Key Topics |
|---|---|---|
| Safety Warnings | 2-3 | Danger, Warning, Caution, Iso Two Panel Pictorial, Improper Operation |
| To the Owner | 4 | Purpose of This Manual, Successful Performance, Care and Operation, Future Reference, International Harvester Company Policy |
| Delivery Inspection Service | 5 | Predelivery Service Checks, Delivery Service Instruction, Engine Checks, Transmission Checks, Hydraulic System Checks, Safety Practices |
| Customer's Service Record | 6-10 | - |
| Introduction | 11 | Operation, Maintenance, Attachments, Tractor Serial Numbers, Engine Serial Numbers, Green Cross for Safety |
| Operation | 12-16 | Tractor Specifications, Instruments and Controls (Seat Adjustment, Instrument Panel, Brake Lock, Gear Shift Lever, Power Take-Off) |
| Attachments | 17 | Front End Weights, Track Shoes, Power Take-Off, Three Point Hitch, Hydraulic Pumps, Heavy Duty Clutch |
| Three Point Linkage | 18-20 | Lower Links, Check Chains, Top Link, Depth Control, Weight Transfer, Depth Control Handwheel |
| Lubrication, Diesel | 21-24 | Transmission Dip Stick, Engine Crankcase Dip Stick, Air Cleaner Oil Cup, Hydraulic Fluid Filter, Front Idlers, Track Rollers |
| Lubrication, Gasoline | 25-28 | Transmission Dip Stick, Engine Crankcase Dip Stick, Distributor, Generator Oil Cup, Fuel Strainer and Water Trap, Crankcase Oil Breather, Front Idlers, Track Rollers |
| Lubrication Guide | 29-30 | Point of Lubrication, Capacity, Anticipated Air Temperature, Type of Lubricant |
| Bolt and Nut Torque Data | 31 | Torque Wrench Specifications, Special Instructions, Bolt Size, Torque-Lb. Ft., Battery Hold Down Clamp Nuts, Final Drive Bull Gear Shaft Bearing Lock Nut |
| Maintenance | 32-40 | Fan and Generator Belt Tension, Distributor Point Gasoline Model, Spark Plugs, Cleaning Distributor Cap and Spark Plugs, Clutch Pedal Adjustment |
| Finding Trouble, Diesel | 41-45 | Engine Hard to Start, Engine Operates Irregularly or Knocks, Lack of Power, No Lubricating Oil Pressure, Engine Overheats, Transmission Gears Will Not Shift |
| Finding Trouble, Gasoline | 46-54 | Engine Will Not Turn, Engine Turns But Will Not Start, Missing and Backfiring, Engine Overheats, Engine Noises, Transmission Gears Will Not Shift |
| Case Technical Manuals | 55-56 | - |
Quick Reference Specifications
| Specification | Value | Page |
|---|---|---|
| Engine Horsepower Drawbar | 28.41 HP | p. 12 |
| Engine No. of Cylinders | 4 | p. 1 |
International Harvester T-4, T-5, TD-5 Common Problems This Manual Covers
International Harvester T-5 diesel engine turns over but fails to start in cold weather p. 41
Check the troubleshooting procedures on page 41. Verify the fuel system is primed before attempting to draw the rated 28.41 HP. Inspect the air cleaner oil cup and fuel filters for water or freezing. Drain any accumulated moisture and bleed the fuel lines.
Manual Section: Finding Trouble, DieselTractor steering clutch friction plates slipping or failing to engage during heavy pushing operations p. 32
Inspect the clutch pedal adjustment on page 32. Measure linkage free play and adjust to maintain proper engagement pressure when operating near the 28.41 HP drawbar limit. If slipping persists under heavy loads, check the steering clutch compartment for oil contamination.
Manual Section: MaintenanceAmmeter shows no charge or fluctuating pointer while engine is running at operating RPM p. 32
Verify the fan and generator belt tension following the maintenance schedule on page 32. Inspect the drive belts on the 4 cylinder engine for cracking or glazing. Adjust the generator bracket to achieve proper belt deflection and clean all battery cable connections.
Manual Section: MaintenanceGasoline engine overheats and water pump leaks coolant from the packing gland area p. 46
Check the troubleshooting steps on page 46. Inspect the radiator fins for debris and verify the fan pulley is not cracked. Drain the cooling system on the 4 cylinder engine, inspect the water pump impeller, and check fluid capacities on page 13 before refilling.
Manual Section: Finding Trouble, GasolineFrequently Asked Questions
How to reset the fuel system on International Harvester T-5 crawler?
To remove trapped air bubbles from the fuel system, which can prevent starting, operate the fuel lift pump priming lever located on the right side of the engine crankcase. Simultaneously, open the vent valves (No. 1, 3, and 4) in the fuel system, and slacken the injector nuts (No. 5) on the No. 1 cylinder, rotating the engine slowly until clear fuel issues. Ensure all vents are closed securely after the procedure.
How do you fix international Harvester T-5 diesel engine turns over but fails to start in cold weather?
Check the troubleshooting procedures on page 41. Verify the fuel system is primed before attempting to draw the rated 28.41 HP. Inspect the air cleaner oil cup and fuel filters for water or freezing. Drain any accumulated moisture and bleed the fuel lines.
How do you fix tractor steering clutch friction plates slipping or failing to engage during heavy pushing operations?
Inspect the clutch pedal adjustment on page 32. Measure linkage free play and adjust to maintain proper engagement pressure when operating near the 28.41 HP drawbar limit. If slipping persists under heavy loads, check the steering clutch compartment for oil contamination.
How do you fix ammeter shows no charge or fluctuating pointer while engine is running at operating RPM?
Verify the fan and generator belt tension following the maintenance schedule on page 32. Inspect the drive belts on the 4 cylinder engine for cracking or glazing. Adjust the generator bracket to achieve proper belt deflection and clean all battery cable connections.
How quickly can I access this manual?
Immediate download of the complete 56-page searchable Operator Manual. Access it on any device, from a laptop at your desk to a phone in the field.
Is this International Harvester T-4, T-5, TD-5 Operator Manual printable?
Absolutely. No DRM or copy protection. Print the whole manual or just the pages you need. Any home or office printer works.
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