2020 Kenworth T440 Problems: 0 Complaints, 4 Recalls

The worst 2020 Kenworth T440 problems

Ranked by number of owner complaints. Mileage and cost come from what owners wrote.

Tap a problem to see which part fails, at what mileage and in which other years.

Service brakes, air: supply: reservoir/tankReported February 23, 2024 · 936 vehicles affected

What is wrong: 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."
Risk: Insufficient air volume can reduce braking performance and increase the risk of a crash.
Remedy: Dealers will install the correct volume air tanks, free of charge. Owner notification letters were mailed August 12, 2024. Additional owner notification letters were mailed October 27, 2025. Owners may contact PACCAR customer service at 1‑425‑828‑5888. PACCAR's number for this recall is 24KWD.

Recall number 24V145000 · Recall details

Steering: critical fastenersReported April 25, 2022 · 17,641 vehicles affected

What is wrong: PACCAR Incorporated (PACCAR) is recalling certain 2018-2020 Kenworth T270, T370, T440, T470, T660, T680, T880, T800, W900, W990; and 2018-2020 Peterbilt 330, 337, 348, 365, 367, 389, 520, 567, and 579 vehicles. The Dana D-Series axle steer arm fasteners that attach the steering arm to the steering knuckle may fail.
Risk: Fastener failure can result in a loss of steering control, increasing the risk of a crash or injury.
Remedy: Dealers will replace and torque the steer arm fasteners, at no charge. Owner notification letters were mailed November 8, 2022. Owners may contact Kenworth customer service at 1‑425‑828‑5888 and Peterbilt customer service at 1‑940‑591‑4220. PACCAR's numbers for this recall are 22 PBB and 22 KWB.

Recall number 22V277000 · Recall details

Electrical system: wiringReported December 29, 2021 · 1,107 vehicles affected

What is wrong: PACCAR Incorporated (PACCAR) is recalling certain 2016-2022 Peterbilt 567, 579, 2021-2022 Peterbilt 536, 2017-2021 Kenworth T880, 2016-2022 Kenworth T680, 2018-2020 Kenworth T440, 2020 Kenworth T270, and 2021 Kenworth T280 vehicles. The methane detection system will not function if the system loses power.
Risk: The operator may be unaware of a system malfunction or the presence of excessive methane levels, increasing the risk of injury or fire.
Remedy: Dealers will re-wire the warning alarm, free of charge. Owner notification letters were mailed December 1, 2022. Owners may contact Peterbilt customer service at 1‑940‑591‑4220, and Kenworth customer service at 1‑425‑828‑5888. PACCAR's numbers for this recall are 21KWH and 21PBN.

Recall number 21V00N000 · Recall details

Fuel system, diesel: fuel injection system: fuel railReported May 26, 2021 · 612 vehicles affected

What is wrong: 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.
Risk: A fuel leak in the presence of an ignition source increases the risk of a fire.
Remedy: Dealers will inspect the rail threads and fuel lines, and replace the rail as necessary, free of charge. Owners may contact PACCAR customer service at 1‑425‑828‑5888 (Kenworth) or 1‑940‑591‑4220 (Peterbilt). PACCAR's numbers for this recall are 21KWC and 21PBD.

Recall number 21V391000 · Recall details

Bulletins tell dealers how to fix known problems. A warranty extension means the manufacturer pays for that repair for longer.

Is the 2020 Kenworth T440 reliable?

Owners have filed 0 complaints about the 2020 Kenworth T440.

What is the most common problem with the 2020 Kenworth T440?

There are not enough complaints to tell.

How many recalls does the 2020 Kenworth T440 have?

4 recalls, covering service brakes, air, steering and electrical system.

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