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2004 Freightliner Classic 2004 120 Tractor Truck – Long Conventional

Repair services & inexpensive new parts for 2004 Freightliner Classic 2004 120 Tractor Truck – Long Conventional with 14.6L 14640CC 893Cu. In. l6 DIESEL Turbocharged engine.

The 2004 Freightliner Classic 120 Tractor Truck is a robust long conventional vehicle equipped with a powerful 14.6L turbocharged diesel engine. This model features an 8x4 drive configuration and is designed for heavy-duty hauling, making it a popular choice among long-haul truckers. With its durable build and substantial engine capacity, the Classic 120 is engineered to handle demanding workloads while providing reliable performance on the road. However, like any vehicle, it may experience common issues that require attention and maintenance to ensure longevity and efficiency.

Common Issues

Some typical problems reported by owners of the 2004 Freightliner Classic 120 include:

  • Fuel system issues, such as clogged filters or injectors.
  • Electrical problems, including malfunctioning lights and dashboard displays.
  • Transmission difficulties, particularly with shifting gears smoothly.
  • Cooling system leaks or failures, which can lead to overheating.

Maintenance Tips

To keep your Freightliner Classic 120 running smoothly, consider the following maintenance tips:

  • Regularly check and replace fuel filters to maintain fuel system efficiency.
  • Inspect and service the cooling system, ensuring that the radiator and hoses are in good condition.
  • Perform routine oil changes to keep the engine lubricated and running optimally.
  • Monitor tire pressure and tread depth to ensure safety and fuel efficiency.

Typical Repair/Owership Cost Ranges

Ownership and repair costs can vary, but generally:

  • Routine maintenance (oil changes, filters, etc.): $300 - $600 annually.
  • Repairs for common issues (fuel system, electrical): $500 - $2,500 depending on severity.
  • Major repairs (transmission or engine rebuilds): $3,000 - $10,000.

Buying Advice (What to Inspect)

When considering a purchase of a 2004 Freightliner Classic 120, inspect the following:

  • Engine condition and maintenance history, including any past repairs.
  • Transmission performance during a test drive.
  • Signs of rust or corrosion on the chassis and body.
  • The state of the tires and overall suspension system.

FAQ

  • What is the fuel efficiency of the 2004 Freightliner Classic 120? The fuel efficiency can vary, but it's typically around 6-8 miles per gallon, depending on load and driving conditions.
  • What type of oil should be used in the engine? It is recommended to use high-quality diesel engine oil, typically in a 15W-40 viscosity.
  • Are parts for the 2004 Freightliner Classic 120 readily available? Yes, parts are widely available through various suppliers and online retailers.
  • How often should I service my Freightliner Classic 120? Routine maintenance should be done every 5,000 to 10,000 miles, or as recommended by the manufacturer.
  • What is the typical lifespan of this truck? With proper maintenance, many owners report lifespans exceeding 1 million miles.
  • What should I do if I experience overheating? Check coolant levels, inspect for leaks, and ensure the radiator is functioning properly.

Have Questions about Freightliner Classic 2004 120? Ask the assistant for questions about mileage, performance, repairs, parts, recommended maintenance and more.


Make: Freightliner
Model: Classic
Trim: 120 Tractor Truck – Long Conventional
Year: 2004

Quick Info

Fuel: DIESEL
Aspiration: Turbocharged
Engine Displacement: 14.6L
Engine CC: 14640
Engine CID: 893
Engine Block Type: L
Cylinder Type: U/K
Cylinders: 6
Drive: 8 X 4
Body Type: Tractor Truck – Long Conventional
Doors: U/K

Repair services & inexpensive new parts for 2004 Freightliner Classic 2004 120 Tractor Truck – Long Conventional with 14.6L 14640CC 893Cu. In. l6 DIESEL Turbocharged engine.