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Peterbilt 379: The Ultimate Buying and Selling Guide

A black peterbilt 379 semi truck parked in front of a building

The Peterbilt 379 remains an iconic symbol in the trucking industry, known for its durability, performance, and classic design. This guide is dedicated to helping both buyers and sellers navigate the market for this Peterbilt semi-truck, helping you to make an informed decision whether you’re looking to invest in a used Peterbilt truck or sell your used Peterbilt 379.

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Why Choose a Peterbilt 379?

The Peterbilt 379 isn’t just a truck; it’s a testament to the engineering excellence and innovation that Peterbilt semi-trucks are known for. Known for its exceptional fuel efficiency, aerodynamic design, and unparalleled comfort, the 379 model has become a favorite among long-haul truckers and fleet owners alike. Its technological advancements set it apart, making it not just a vehicle but a reliable business asset. Though Peterbilt has introduced many models over the years, the 379 has earned a special place, celebrated for its robustness and aesthetic appeal.

Buying a Peterbilt 379

New vs. Used

Even though Peterbilt 379s are no longer in production, this semi-truck model continues to be a popular choice for both owner-operators and fleet companies alike. Thanks to Peterbilt’s reputation for durable construction, opting for a used Peterbilt 379 can offer access to a truck with a proven performance track record, making it a potentially advantageous investment.

What to Look for When Buying a Used Peterbilt 379

Entering the used semi-truck market requires diligence. It’s crucial to inspect the engine’s condition, verify mileage, review the maintenance history, and assess overall wear and tear. A professional inspection is recommended to ensure the semi-truck meets your standards. At OTS Truck Centers, we pride ourselves on a rigorous inspection process, offering a selection of quality, used Peterbilt trucks.

The interior of a peterbilt 379 semi truck

Financing and Warranty

Navigating financing options and understanding the importance of warranties are critical steps in the purchasing process. A warranty on a used Peterbilt 379 provides an extra layer of security, covering unexpected repairs and maintenance. When preparing for your next truck purchase, consider these financing and warranty tips:

  • Understand Your Credit Score: Review your credit report and score before seeking financing. A higher score can secure better financing terms.
  • Consider the Total Loan Cost: Evaluate the loan’s total cost, not just the monthly payments. Longer loan terms may mean more paid in interest over time.
  • Make a Substantial Down Payment: If possible, a significant down payment can lower the loan amount, potentially reduce the interest rate, and decrease the total interest paid.
  • Evaluate Warranty Options: Carefully review warranty options. A comprehensive warranty can protect against costly repairs, but understanding coverage details is essential.
  • Budget for Additional Costs: Account for costs beyond the purchase price, such as insurance, taxes, registration, and maintenance, which can impact your overall budget.

Maintaining Your Peterbilt 379

A well-maintained Peterbilt 379 can achieve upwards of 750,000 miles, some reaching over 1,000,000 miles. The key to maximizing your Peterbilt semi-truck’s lifespan and efficiency includes regular servicing, preventive maintenance, and timely addressing of common issues:

  • Engine Maintenance: Regular oil changes with high-quality oil and timely replacement of oil filters are essential.
  • Transmission Care: Maintain the transmission fluid level and quality, adhering to the service interval for fluid and filter changes.
  • Air System Checks: Regularly inspect the air dryer and filters to prevent moisture and contaminants from compromising the braking and air suspension systems.
  • Fuel System: Replace fuel filters as recommended to prevent clogging and maintain optimal fuel efficiency.
  • Tire Maintenance: Monitor tire pressure and tread depth, rotate tires, and align wheels as necessary.
  • Brake System: Regularly inspect brake components and ensure air lines are intact and leak-free.
Under the hood of a peterbilt 379 semi truck

Selling Your Peterbilt 379

Preparing for Sale

Preparing your Peterbilt 379 for sale can significantly enhance its market value. Steps include conducting a detailed inspection, performing necessary mechanical and cosmetic repairs, investing in professional cleaning and detailing, and organizing documentation. These efforts not only increase appeal but also streamline the negotiation process with potential buyers.

Valuation and Pricing

Setting a competitive price for selling your semi-truck requires a comprehensive understanding of the market and your used truck’s condition. Here’s how to ensure your Peterbilt 379 is priced competitively and fairly:

Understand Market Dynamics

  • Research Current Market Trends: Begin with a broad view of the market. Look at the current demand for Peterbilt 379 trucks and how similar models are priced. This research should include various conditions, years, and configurations to give you a solid benchmark.
  • Evaluate Your Truck’s Unique Attributes: Each Peterbilt 379 has its own story, told through its maintenance history, mileage, upgrades, and overall condition. Trucks with lower mileage, recent upgrades, or those that have received meticulous maintenance often command higher prices.

Leverage High-Quality Visuals

  • Invest in Professional Photography: Photos are often the first thing potential buyers will notice. High-quality, professional-grade photographs taken from multiple angles can significantly enhance your listing. Ensure that these photos are taken in good lighting and highlight the unique features of your truck, including any customizations or upgrades that add value.
  • Showcase the Condition: Beyond just capturing the truck’s appearance, photographs should convey the vehicle’s condition. Include images of the engine, tires, and any areas that demonstrate the truck’s well-maintained status or exceptional cleanliness.

Craft a Detailed, Honest Description

  • Be Transparent and Detailed: When writing your description, honesty is key. Provide a comprehensive overview of your Peterbilt 379, including year, model, mileage, engine type, and any other technical specifications.
  • Highlight Selling Points: Make sure to emphasize what sets your used semi-truck apart. This could be anything from a recent engine overhaul, custom features, aftermarket additions, or an exceptional maintenance record. If your Peterbilt semi-truck has been part of a rigorous preventive maintenance program, mention this as a testament to its reliability and condition.
  • Disclose Any Imperfections: Transparency about any issues or imperfections not only builds trust with potential buyers but can also help prevent disputes or dissatisfaction down the line.

Pricing Strategy

  • Set a Competitive Price: Based on your market research and the unique qualities of your Peterbilt 379, set a price that is competitive yet fair. Consider the value added by any upgrades or the condition of your truck relative to similar models on the market.
  • Be Prepared to Negotiate: While you should have a firm understanding of the lowest price you’re willing to accept, be open to negotiations. Semi-truck buyers will appreciate the willingness to engage, which could facilitate a quicker sale.
wheels of a Peterbilt 379 semi truck

Selling Your Used Semi Truck to OTS Truck Centers

At OTS Truck Centers, we understand that selling your semi-truck should be as straightforward and hassle-free as possible. We’ve refined our selling process to be clear, transparent, and efficient, ensuring you enjoy a seamless and rewarding experience. 

Here’s how our streamlined 3-step process works: Connect, Inspect, and Collect. It’s designed to get you from quote to cash as smoothly as possible, often within the same day. Here’s a closer look at each step:

Step 1: We Connect – Starting the Process with Ease

  • Initial Contact: Reach out to us with details about your Peterbilt 379. You can do this through our website, over the phone, or in person at one of our locations. We’ll ask for some basic information about your truck, such as its make, model, year, mileage, and condition.
  • Quick Quote: Based on the information you provide, we’ll give you a preliminary quote within a few days. This quote is crafted to reflect the current market value of your truck and ensure fairness to both parties. The more information and photos you can supply, the more accurate your quote will be. All quotes are contingent upon an in-person inspection. We will send a final, written quote via email.

Step 2: We Inspect – A Comprehensive Evaluation at No Cost to You

  • Convenient Appraisal: We prioritize your convenience. One of our skilled appraisers will come to your location to conduct a thorough inspection of your used semi-truck. This service is offered at no cost to you and is scheduled to fit within your timetable, usually within 24 hours of your initial contact.
  • Transparent Assessment: Our appraiser will inspect your Peterbilt semi-truck in detail, assessing its overall condition, functionality, and any specific features or upgrades. We pride ourselves on transparency and will share the findings of the inspection with you.

Step 3: You Collect – Fast and Flexible Payment Options

  • Immediate Payment: If your used semi-truck meets our criteria and we decide to purchase it, we’re prepared to make immediate payment. Once the inspection is completed and the offer accepted, we can provide payment THAT DAY through a cashier’s check or a bank wire.
  • Flexibility in Payment: We aim to accommodate your needs, offering you the flexibility to apply the payment towards a new purchase from our inventory or to receive the full amount directly. The choice is yours, ensuring the transaction aligns with your financial goals or requirements.

Our process is designed to respect your time and investment, ensuring you receive a fair market value for your truck with the convenience and speed you deserve. Reach out to us today to begin the process and let us take the hassle out of selling your semi-truck.

Legal Considerations and Paperwork

Ensuring a hassle-free transaction involves understanding legal requirements such as title transfer and bill of sale. Organizing maintenance records, warranty information, and obtaining a vehicle history report can significantly boost buyer confidence.

OTS employee shaking hands with customer

Ready to Buy or Sell Your Peterbilt 379?

Buying or selling a Peterbilt 379 is a significant decision that requires careful consideration and planning. Whether you’re in the market for a reliable used Peterbilt 379 or looking to sell your semi-truck, OTS Truck Centers is here to help. Contact us today to learn more about our inventory or to discuss selling your truck. 


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