{"nhtsa_id":11030931,"type":"emissions","type_name":"Emissions","date_added":"2026-04-07","date":"2026-03-21","document_id":"E304","mfr_campaign":"E304","replaces":null,"component":"UNKNOWN OR OTHER","mfr_system":null,"summary":"CARB Chassis Update - Chassis list updated with 5 KW and 31 PB additional chassis.","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2026/MC-11030931-0001.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2026/MC-11030931-9999.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/11030931","components":[],"codes":[],"topics":[],"vehicles":[{"make":"KENWORTH","model":"T660","year_from":2016,"year_to":2018,"match":null,"vehicle_ids":[]},{"make":"KENWORTH","model":"T680","year_from":2016,"year_to":2018,"match":"exact","vehicle_ids":["2016_kenworth_t680","2017_kenworth_t680","2018_kenworth_t680"]},{"make":"KENWORTH","model":"T800","year_from":2016,"year_to":2018,"match":null,"vehicle_ids":[]},{"make":"KENWORTH","model":"T880","year_from":2016,"year_to":2018,"match":"exact","vehicle_ids":["2016_kenworth_t880","2017_kenworth_t880","2018_kenworth_t880"]},{"make":"KENWORTH","model":"W900","year_from":2016,"year_to":2018,"match":null,"vehicle_ids":[]}],"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":[]}