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#BS-2018-PET579-D9152018 Peterbilt 579
Based on reports from 12 owners and 14 recalls for this exact model.
Preliminary Verdict
Proceed with Caution
Based on 12 complaints, 0 crashes, 3 fires, and 14 recalls.
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Mechanic Inspection Checklist
4 owners reported electrical issues — failures commonly reported around 36K miles.
30,000-Mile Cost Projection
Best Case
Most Likely
Worst Case
Top cost driver: Electrical (4 reports).
Also in your report
Owner Intelligence
AI-synthesized themes from real complaints
Buyer Lot Checklist
Questions, test drive checks, walk-away triggers
Negotiation Talking Points
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Buy / Skip Verdict
Final recommendation with conditions
Where the complaints fall
2018 Peterbilt 579: Known Issues & Problem Areas
Electrical Issues
Electrical complaints account for 33% of all reports filed for the 2018 Peterbilt 579, with 4 owners filing complaints with NHTSA. The median mileage at time of complaint is 36,375 miles, suggesting issues tend to surface around the 36K-mile mark.
Brakes Issues
Brakes complaints account for 25% of all reports filed for the 2018 Peterbilt 579, with 3 owners filing complaints with NHTSA. Owners should pay attention to brakes-related symptoms during test drives and pre-purchase inspections.
Steering Issues
Steering complaints account for 17% of all reports filed for the 2018 Peterbilt 579, with 2 owners filing complaints with NHTSA. Owners should pay attention to steering-related symptoms during test drives and pre-purchase inspections.
Suspension Issues
Suspension complaints account for 8% of all reports filed for the 2018 Peterbilt 579, with 1 owners filing complaints with NHTSA. Owners should pay attention to suspension-related symptoms during test drives and pre-purchase inspections.
Data sourced from NHTSA owner complaints and community reports. The full report analyzes severity, repair costs, and failure patterns for each category.
Complaint trend by year
Complaints filed with NHTSA by year for the 2018 Peterbilt 579. Recent trend: decreasing.



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Recall History (14 recalls)
FUEL SYSTEM, OTHER:DELIVERY:HOSES, LINES/PIPING, AND FITTINGS
PACCAR Incorporated (PACCAR) is recalling certain 2015-2018 Kenworth K370, T680, T880 and 2017-2018 Peterbilt 567 and 579 trucks. The plastic fuel tee fittings on these trucks may leak fuel.
FUEL SYSTEM, DIESEL
PACCAR Incorporated (PACCAR) is recalling certain 2017-2018 Peterbilt 367, 389, 567, 579 and 587 trucks, and 2018 Kenworth C500, T680, T800, T880 and W900 trucks equipped with Cummins ISX 15L engines. These engines have a fuel pump whose drive gear could possibly slip on its drive shaft, causing a fuel pump function loss, resulting in an engine stall.
POWER TRAIN:AUTOMATIC TRANSMISSION:CONTROL MODULE (TCM/PCM/TECM)
PACCAR Incorporated (PACCAR) is recalling certain 2018 Peterbilt 567, 579, Kenworth T680, and T880 trucks, equipped with certain Eaton Endurant and PACCAR AMT transmissions. The transmission control module (TCM) may allow the engine to crank briefly even if the transmission shifter is not in neutral. As such, these vehicles fail to comply with the requirements of Federal Motor Vehicle Safety Standard (FMVSS) number 102, "Transmission Shift Lever Sequence/Starter Interlock/Transmission Braking Effect."
ELECTRICAL SYSTEM: INSTRUMENT CLUSTER/PANEL
PACCAR Incorporated (PACCAR) is recalling certain 2017-2018 Kenworth T680 and T880 trucks, and Peterbilt 567 and 579 trucks, all equipped with an automated Eaton UltraShift Plus or Eaton Advantage Transmission with right hand stalk shifter. The display that indicates which transmission gear the driver selected may display incorrectly. The display can indicate 'N' when the shifter is set into 'D' or 'R', and the as a result, the truck will not move. As such, these vehicles fail to comply with the requirements of Federal Motor Vehicle Safety Standard (FMVSS) number 102, "Transmission Shift Lever Sequence/Starter Interlock/Transmission Braking Effect," and number 101, "Control and Displays."
ELECTRONIC STABILITY CONTROL (ESC)
PACCAR Incorporated (PACCAR) is recalling certain 2017-2018 Peterbilt 567 and 579 trucks and 2015-2018 Kenworth T660, T680, T800, T880 and W900 trucks. In the event that the Anti-lock Brake System (ABS) loses battery and/or ignition power to the controller, the dash warning light for the ABS may not illuminate to warn the driver of the loss of ABS. As such, these vehicles fail to comply with the requirements of Federal Motor Vehicle Safety Standard (FMVSS) number 121, "Air Brake Systems," and 136, "Electronic Stability Control System on Heavy Vehicles."
+ 9 more recalls in the full report
Recall severity analysis & seller scripts
The full report rates each recall's severity and gives you scripts for asking the seller about recall completion.
About this data
NHTSA Complaints
Federal database of owner-filed safety complaints. 12 records for this vehicle.
NHTSA Recalls
Manufacturer-issued safety recalls. 14 recalls found for this vehicle.
Repair Cost Data
Real-world repair costs from owner reports and independent databases.
Other Peterbilt 579 Model Years
View all Peterbilt 579 years →2018 Peterbilt 579: Frequently Asked Questions
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