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2003 Freightliner FLD120 2003 FLD12066ST Tractor Truck – Long Conventional

Repair services & inexpensive new parts for 2003 Freightliner FLD120 2003 FLD12066ST Tractor Truck – Long Conventional with 12.7L 12686CC 774Cu. In. l6 DIESEL Turbo/Aftercooled engine.

The 2003 Freightliner FLD12066ST is a robust tractor truck designed for long-haul operations. Its key feature is the 12.7L 12686CC 774Cu. In. inline-six diesel engine equipped with a turbo and aftercooler, offering substantial power and efficiency for extensive journeys. The FLD120 series is well-regarded for its durability, reliable performance, and adaptability to various trucking needs, making it a preferred choice for many in the freight industry. The 6 X 6 drive configuration enhances its capability on diverse terrains, ensuring that transport operations remain uninterrupted.

Common Issues

  • Turbocharger wear and failure due to extensive use.
  • Cooling system leaks, especially in the aftercooler.
  • Electrical system issues, often related to aging wiring.
  • Brake system wear, particularly in high-mileage trucks.

Maintenance Tips

  • Regularly check and maintain oil levels to ensure engine longevity.
  • Inspect turbochargers for any signs of wear or leakage.
  • Perform routine inspections of the cooling system to prevent overheating.
  • Ensure the electrical system is regularly checked and any worn wiring is replaced.
  • Keep the brake system in top condition by scheduling periodic maintenance checks.

Typical Repair/Ownership Cost Ranges

  • Turbocharger replacement: $1,500 - $2,500
  • Cooling system repairs: $500 - $1,200
  • Electrical system repairs: $200 - $800
  • Brake system overhaul: $1,000 - $2,000

Buying Advice

  • Inspect the turbocharger for any signs of wear or leaks.
  • Check the cooling system, including the radiator and aftercooler, for leaks or corrosion.
  • Test the electrical system to ensure all components are functioning properly.
  • Examine the brake system for wear and tear, especially if the truck has high mileage.
  • Review maintenance records to ensure regular servicing has been performed.

FAQ

  • What is the typical fuel economy for the 2003 Freightliner FLD120? The fuel economy can vary, but on average, it ranges from 5 to 7 miles per gallon depending on load and driving conditions.
  • How often should the oil be changed? It is recommended to change the oil every 10,000 to 15,000 miles, depending on usage and operating conditions.
  • What is the towing capacity? The towing capacity can vary based on configuration but generally ranges between 80,000 to 130,000 pounds.
  • Are parts readily available for this model? Yes, parts are generally available due to the popularity of the FLD120 series, though some may need to be ordered if not in stock.
  • How reliable is the 12.7L engine? The 12.7L engine is known for its durability and reliability, particularly when maintained properly.
  • What should I look for in terms of engine wear? Look for excessive smoke, unusual noises, or a drop in performance, which may indicate engine wear.

Have Questions about Freightliner FLD120 2003 FLD12066ST? Ask the assistant for questions about mileage, performance, repairs, parts, recommended maintenance and more.


Make: Freightliner
Model: FLD120
Trim: FLD12066ST Tractor Truck – Long Conventional
Year: 2003

Quick Info

Fuel: DIESEL
Aspiration: Turbo/Aftercooled
Engine Displacement: 12.7L
Engine CC: 12686
Engine CID: 774
Engine Block Type: L
Cylinder Type: U/K
Cylinders: 6
Drive: 6 X 6
Body Type: Tractor Truck – Long Conventional
Doors: U/K

Repair services & inexpensive new parts for 2003 Freightliner FLD120 2003 FLD12066ST Tractor Truck – Long Conventional with 12.7L 12686CC 774Cu. In. l6 DIESEL Turbo/Aftercooled engine.