{"nhtsa_id":10142541,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2018-07-02","date":"2018-05-01","document_id":"P36027","mfr_campaign":null,"replaces":null,"component":"TRAILER HITCHES; SUSPENSION","mfr_system":null,"summary":"Operation Name: Hendrickson Trailer Commercial Vehical Systems Document Name: Product Update - ULTRAA-K Slider Box Summary: This document announces certain design changes to Hendrickson's ULTRAA-K slider suspension system.","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2018/MC-10142541-9999.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2018/MC-10142541-0001.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/10142541","components":[{"id":"suspension","name":"Suspension","parent":null},{"id":"trailer-hitch","name":"Trailer hitch","parent":null}],"codes":[],"topics":[],"vehicles":[{"make":"HENDRICKSON","model":"HENDRICKSON","year_from":null,"year_to":null,"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":[]}