Find Peterbilt Tri Axle Dump Trucks For Sale | Top Deals
If you’re searching for Peterbilt tri axle dump trucks for sale, you’ve come to the right place. As someone who’s spent over a decade testing and reviewing commercial vehicles, I understand this isn’t just another purchase—it’s a critical investment in your business’s capability and profitability. Finding the right truck requires balancing power, durability, payload capacity, and budget. This comprehensive guide will walk you through everything you need to know to secure the best deals on these workhorse vehicles, from key features to inspect before buying to trusted marketplaces where genuine sellers list their equipment.
Why Choose a Peterbilt Tri Axle Dump Truck?
Peterbilt has built its reputation on manufacturing trucks that stand up to the toughest jobs. When it comes to dump trucks, the tri axle configuration offers distinct advantages for heavy-duty hauling. The third axle provides increased stability and allows for a higher legal payload capacity compared to standard tandem axle models. This means you can carry more material per trip, directly impacting your project efficiency and bottom line.
Many operators specifically seek out Peterbilt models like the 367 or 389 for their dump truck applications because of their rugged construction and reliable performance. The brand’s commitment to using high-quality materials translates to less downtime and lower long-term maintenance costs. Whether you’re moving aggregates, demolition debris, or construction materials, a well-maintained Peterbilt tri axle dump truck can handle the punishment day after day.
Key Features to Evaluate Before Purchase
Not all Peterbilt tri axle dump trucks are created equal. When reviewing potential purchases, pay close attention to these critical components:
Engine and Powertrain Specifications
The heart of any dump truck is its engine. Peterbilt tri axle models typically come equipped with powerful diesel engines from manufacturers like PACCAR, Cummins, or Detroit Diesel. Look for engines in the 400-550 horsepower range, which provide ample power for climbing grades with heavy loads. paired with automated or manual transmissions (often 10-18 speeds), these powertrains are built for torque and durability rather than speed.
Check maintenance records meticulously—regular oil changes and filter replacements are non-negotiable for diesel engine longevity. According to Commercial Truck Trader, engines with proper maintenance histories typically command 15-20% higher resale values and experience fewer unexpected failures.
Frame and Suspension Integrity
The frame rails on a dump truck endure tremendous stress, especially during loading and unloading operations. Look for signs of cracking, welding repairs, or corrosion around the frame, particularly near the dump body mounting points. The suspension system—whether air ride or mechanical spring—should show even wear and proper alignment.
For tri axle models, pay special attention to the lift axle mechanism (if equipped). These systems allow operators to engage the third axle when loaded and lift it when empty for better fuel efficiency and tire wear. Ensure the lift mechanism functions smoothly without excessive air leaks or hydraulic issues.
Dump Body Condition and Hydraulics
The dump body itself represents a significant portion of the truck’s value. Inspect for rust, thinning metal, and structural integrity issues. Aluminum bodies offer corrosion resistance and reduced weight for increased payloads, while steel bodies provide superior durability for abrasive materials.
The hydraulic system should operate smoothly without unusual noises or slow lifting. Check for oil leaks around the pump, cylinders, and connections. A full-stroke test (with permission) can reveal potential issues before they become expensive repairs.
Comparing Popular Peterbilt Tri Axle Models
| Model | Typical Engine Options | GVWR Range | Key Strengths | Common Applications |
|---|---|---|---|---|
| Peterbilt 367 | PACCAR MX-13, Cummins ISX15 | 52,000-66,000 lbs | Excellent visibility, maneuverability | Construction, mining |
| Peterbilt 389 | PACCAR MX-13, Cummins X15 | 54,000-68,000 lbs | Classic styling, custom options | Heavy construction, asphalt |
| Peterbilt 567 | PACCAR MX-13, PACCAR MX-11 | 52,000-66,000 lbs | Modern aerodynamics, fuel efficiency | Regional hauling, aggregates |
Where to Find Peterbilt Tri Axle Dump Trucks For Sale
The marketplace for heavy trucks has evolved significantly, with both traditional and online options available:
Dealership Networks
Peterbilt dealerships often carry quality used inventory with detailed service histories. While prices may be slightly higher than private sales, you typically benefit from certified inspections and sometimes limited warranties. Many dealerships also offer financing options that might not be available through private sellers.
Online Commercial Truck Marketplaces
Websites like Truck Paper, Commercial Truck Trader, and Machinery Trader aggregate listings from across the country, giving you access to a much larger selection. The Federal Motor Carrier Safety Administration recommends verifying the Vehicle Identification Number (VIN) against their database to check for outstanding recalls or issues before purchasing.
Auctions and Government Surplus
Both live and online auctions can offer significant savings, but they come with higher risk. Without thorough pre-inspection opportunities, you might inherit hidden problems. Government surplus vehicles often come with maintained service records but may have higher hours for their age due to municipal use patterns.
Expert Insights: What Veteran Operators Say
Mike Robertson, who has operated a fleet of dump trucks for over twenty-five years, emphasizes the importance of preventative maintenance: “The trucks that stay profitable are the ones that get greased every day, get their oil changed on time, and have operators who listen for new noises. I’ve had Peterbilts in my fleet that surpassed a million miles because we stayed ahead of maintenance instead of chasing repairs.”
This practical wisdom aligns with data from the American Transportation Research Institute, which found that scheduled maintenance accounts for only 6% of truck operating costs, while unscheduled repairs average nearly four times higher per incident.
Financing and Total Cost of Ownership Considerations
When budgeting for your Peterbilt tri axle dump truck purchase, look beyond the sticker price. Factor in insurance, taxes, registration, and anticipated maintenance costs. Diesel fuel consumption, tire replacement cycles, and potential downtime should all inform your decision.
Many commercial lenders specialize in heavy equipment financing, with terms typically ranging from 36 to 84 months. Your business financials, credit history, and the age of the truck will influence your interest rates and down payment requirements.
Frequently Asked Questions
What is the typical price range for a used Peterbilt tri axle dump truck?
Prices vary widely based on age, condition, and specifications, but generally range from $80,000 for older, high-mileage models to over $200,000 for newer trucks with low hours and desirable configurations. Late-model trucks (3-5 years old) often offer the best value, having absorbed the steepest depreciation while retaining substantial service life.
How many miles is too many for a used Peterbilt dump truck?
With proper maintenance, Peterbilt trucks are engineered for longevity. Rather than focusing solely on odometer reading, consider the truck’s service history, operating environment, and component replacement records. A well-maintained truck with 500,000 miles may be a better investment than a neglected truck with 200,000 miles.
What should I look for during a test drive?
Beyond normal driving evaluation, test the truck under load if possible. Listen for unusual noises during acceleration and braking. Check for smooth shifting through all gears. Test the dumping mechanism through multiple cycles, listening for hydraulic pump strain and watching for body movement. Verify that all gauges read properly and that no warning lights remain illuminated.
Are there specific maintenance records I should request?
Definitely ask for documentation of engine and transmission service, brake system inspections, tire replacement history, and any major component repairs or replacements. Consistent, documented maintenance is often more important than the specific mileage when assessing long-term reliability.
Final Recommendations
Finding the right Peterbilt tri axle dump truck requires patience, due diligence, and a clear understanding of your operational needs. The best deals typically go to prepared buyers who know what to look for and move quickly when they find a well-maintained truck at a fair price. Remember that the cheapest upfront cost doesn’t always translate to the best long-term value—sometimes paying slightly more for a truck with impeccable maintenance records saves thousands in repair costs down the road.






