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#BS-2021-KENT44-4A842021 Kenworth T440
Based on reports from 1 owners and 4 recalls for this exact model.
Preliminary Verdict
Green Light
Based on 1 complaints, 0 crashes, 0 fires, and 4 recalls.
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Mechanic Inspection Checklist
1 owners reported brakes issues.
30,000-Mile Cost Projection
Best Case
Most Likely
Worst Case
Top cost driver: Brakes (1 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
Data-backed dollar deductions
Buy / Skip Verdict
Final recommendation with conditions
Where the complaints fall
2021 Kenworth T440: Known Issues & Problem Areas
Brakes Issues
Brakes complaints account for 100% of all reports filed for the 2021 Kenworth T440, with 1 owners filing complaints with NHTSA.
Data sourced from NHTSA owner complaints and community reports. The full report analyzes severity, repair costs, and failure patterns for each category.



Don't negotiate blind — know what this car costs to own
Repair costs • Negotiation scripts • Mechanic checklist • Buy/skip verdict
Recall History (4 recalls)
FUEL SYSTEM, DIESEL:FUEL INJECTION SYSTEM:FUEL RAIL
PACCAR Incorporated (PACCAR) is recalling certain 2018-2021 Peterbilt 337, 348, 365, 367, 520, 567, Kenworth T270, T370, T440, T470, T800 and T880 vehicles. The sealing washer may not seat correctly in the pilot bore holes, allowing the high pressure fuel rail assembly to leak.
FUEL SYSTEM, DIESEL:DELIVERY:HOSES, LINES/PIPING, AND FITTINGS
PACCAR Incorporated (PACCAR) is recalling certain 2021-2022 Peterbilt 536, 537, 548 and Kenworth T270, T280, T370, T380, T440, T470, and T480 vehicles equipped with Cummins L9 diesel engines. A fuel leak may occur from the fuel hose between the fuel pump and the remote fuel filter head.
SERVICE BRAKES, AIR:SUPPLY:RESERVOIR/TANK
PACCAR Incorporated (PACCAR) is recalling certain 2009-2021 Kenworth C500, 2012-2021 Kenworth T440, 2009-2015 Kenworth T660, 2015-2024 Kenworth T680, 2009-2024 Kenworth T800, 2009-2020 Kenworth T370, 2014-2023 Kenworth T880, 2011-2016 Kenworth T470, 2023 Kenworth T480, and 2009-2019 Kenworth W900 vehicles. The air tanks have an insufficient volume of air for the brake system. As such, these vehicles fail to comply with the requirements of Federal Motor Vehicle Safety Standard number 121, "Air Brake Systems."
ELECTRICAL SYSTEM:SOFTWARE
PACCAR Incorporated (PACCAR) is recalling certain 2021-2025 Peterbilt and Kenworth vehicles, equipped with Bendix EC80 Advanced Electronic Control Units (ECU). Please see the recall report for a complete list of models. Electrical noise and low signal to the power line carrier may cause the ECU to incorrectly process commands or stop functioning.
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. 1 records for this vehicle.
NHTSA Recalls
Manufacturer-issued safety recalls. 4 recalls found for this vehicle.
Repair Cost Data
Real-world repair costs from owner reports and independent databases.
Other Kenworth T440 Model Years
View all Kenworth T440 years →2021 Kenworth T440: Frequently Asked Questions
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10 sections of AI analysis based on 1 owner reports. Know before you buy.