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1981 International Harvester S1955 1981 Base U/K

Repair services & inexpensive new parts for 1981 International Harvester S1955 1981 Base U/K with 7.6L 466Cu. In. l6 DIESEL Turbocharged engine.

The 1981 International Harvester S1955 is a robust and capable truck equipped with a 7.6L turbocharged diesel engine, known for its durability and performance in heavy-duty applications. This model is particularly favored for its ability to handle demanding tasks, making it a reliable choice for commercial use. Despite its age, the S1955 can still be a valuable asset with proper maintenance and care, and parts availability has improved due to the strong community of enthusiasts and aftermarket suppliers.

Common Issues

Some common issues reported with the 1981 International Harvester S1955 include:

  • Fuel system problems, particularly with fuel injectors and pumps.
  • Electrical issues, including starter and alternator failures.
  • Transmission fluid leaks and shifting concerns.
  • Engine overheating due to radiator or coolant issues.

Maintenance Tips

To keep your S1955 running smoothly, consider the following maintenance tips:

  • Regularly change the engine oil and filter to ensure proper lubrication.
  • Inspect and replace fuel filters as needed to maintain fuel system efficiency.
  • Check and maintain proper tire pressure and tread depth for safety.
  • Perform routine checks on the cooling system to prevent overheating.

Typical Repair/Owership Cost Ranges

The typical repair and ownership cost for a 1981 International Harvester S1955 can vary widely based on condition and use:

  • Routine maintenance: $500 - $1,500 annually.
  • Major repairs (engine or transmission): $2,000 - $7,000.
  • Parts replacement (e.g., brakes, suspension): $300 - $1,500 per instance.

Buying Advice (What to Inspect)

When considering purchasing a 1981 S1955, inspect the following:

  • Engine condition: Look for leaks, smoke, and listen for unusual noises.
  • Transmission performance: Test drive to ensure smooth shifting.
  • Frame and body: Check for rust and structural integrity.
  • Electrical systems: Verify that all lights, gauges, and electrical components function properly.

FAQ

What type of fuel does the S1955 require?
The S1955 requires diesel fuel, specifically designed for turbocharged engines.

How often should I change the oil?
It's recommended to change the oil every 3,000 to 5,000 miles, or as specified in your owner’s manual.

Are parts readily available for the S1955?
Yes, parts are available through specialized suppliers and some aftermarket sources.

What is the towing capacity of the S1955?
The towing capacity can vary, but it's generally between 10,000 to 20,000 pounds depending on configuration.

How can I improve fuel efficiency?
Regular maintenance, proper tire inflation, and avoiding excessive idling can help improve fuel efficiency.

Is it easy to find a mechanic familiar with this model?
Mechanics experienced with older diesel trucks are often familiar with the S1955; however, it may require some searching.

What are the common upgrades for this truck?
Common upgrades include improved exhaust systems and performance chips for better engine efficiency.

Can I convert the fuel system to biodiesel?
Yes, many owners successfully convert older diesel trucks to run on biodiesel; however, modifications may be required.

Have Questions about International Harvester S1955 1981 Base? Ask the assistant for questions about mileage, performance, repairs, parts, recommended maintenance and more.


Make: International Harvester
Model: S1955
Trim: Base
Year: 1981

Quick Info

Fuel: DIESEL
Aspiration: Turbocharged
Engine Displacement: 7.6L
Engine CC: N/A
Engine CID: 466
Engine Block Type: L
Cylinder Type: U/K
Cylinders: 6
Drive: U/K
Body Type: U/K
Doors: U/K

Repair services & inexpensive new parts for 1981 International Harvester S1955 1981 Base U/K with 7.6L 466Cu. In. l6 DIESEL Turbocharged engine.