{"nhtsa_id":11027061,"type":"emissions","type_name":"Emissions","date_added":"2026-01-06","date":"2025-12-13","document_id":"E334","mfr_campaign":"E334","replaces":null,"component":"ENGINE","mfr_system":null,"summary":"Certain vehicle model year 2022 Kenworth chassis equipped with Engine Model Year (EMY) 2021 PACCAR MX engines may have an exempt engine label installed.","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2025/MC-11027061-0001.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2025/MC-11027061-9999.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/11027061","components":[{"id":"engine","name":"Engine","parent":null}],"codes":[],"topics":[],"vehicles":[{"make":"KENWORTH","model":"T880","year_from":2022,"year_to":2022,"match":"exact","vehicle_ids":["2022_kenworth_t880"]},{"make":"PETERBILT","model":"320","year_from":2022,"year_to":2022,"match":"exact","vehicle_ids":["2022_peterbilt_320"]},{"make":"PETERBILT","model":"389","year_from":2022,"year_to":2022,"match":"exact","vehicle_ids":["2022_peterbilt_389"]},{"make":"PETERBILT","model":"520","year_from":2022,"year_to":2022,"match":"exact","vehicle_ids":["2022_peterbilt_520"]},{"make":"PETERBILT","model":"567","year_from":2022,"year_to":2022,"match":"exact","vehicle_ids":["2022_peterbilt_567"]},{"make":"PETERBILT","model":"579","year_from":2022,"year_to":2022,"match":"exact","vehicle_ids":["2022_peterbilt_579"]}],"as_of":"2026-10-19","note":"A bulletin is a manufacturer's communication to its dealers, as NHTSA indexes it. The summary is NHTSA's. The document is the manufacturer's: read it at NHTSA. A bulletin is not a recall, and listing a model year does not mean every vehicle of it is concerned.","attribution":[]}