2021 Freightliner 122SD 2021 Base Straight Truck – Long Conventional

Common Issues

Some common issues reported with the 2021 Freightliner 122SD include:

• Fuel system leaks due to wear and tear.
• Electrical issues, particularly with the dashboard display.
• Transmission problems under heavy loads.

Maintenance Tips

Regular maintenance is crucial for the longevity of your Freightliner 122SD:

• Change the engine oil and filter every 10,000 miles.
• Inspect and replace air filters as needed, typically every 15,000 miles.
• Check fluid levels regularly and perform coolant system flushes every 30,000 miles.

Typical Repair/Owership Cost Ranges

The cost of ownership and repairs can vary:

• Routine maintenance: $500 - $1,500 annually.
• Major repairs (transmission, engine): $3,000 - $10,000, depending on the issue.
• Parts replacement (brakes, tires): $1,000 - $3,000 annually.

Buying Advice (What to Inspect)

When considering the purchase of a used Freightliner 122SD, inspect the following:

• Check the engine for any signs of leaks or unusual noises.
• Inspect the transmission for smooth shifting and responsiveness.
• Examine the frame and body for any signs of rust or damage.

FAQ

• What is the fuel economy of the Freightliner 122SD? The fuel economy typically ranges from 6 to 8 miles per gallon, depending on load and driving conditions.
• What type of oil should I use for the engine? Use a high-quality synthetic diesel engine oil that meets API specifications.
• How often should I perform maintenance checks? Regular checks are recommended every 5,000 miles, with comprehensive servicing every 10,000 miles.
• Are there aftermarket parts available? Yes, many aftermarket options are available for both performance and cost-saving solutions.
• What is the warranty period for the 2021 Freightliner 122SD? The warranty typically covers 5 years or 100,000 miles, whichever comes first.
• How does the Freightliner 122SD compare in reliability? It is generally regarded as a reliable truck with proper maintenance.
• Can I install upgrades on the Freightliner 122SD? Yes, various upgrades for performance, comfort, and aesthetics are available.
• What is the towing capacity of the 122SD? The towing capacity can range up to 60,000 pounds, depending on the configuration.