{"nhtsa_id":11004931,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2024-07-18","date":"2024-07-18","document_id":"SIL-3144","mfr_campaign":"SIL-3144","replaces":null,"component":"UNKNOWN OR OTHER","mfr_system":null,"summary":"Altec has learned that certain DT85H derricks built from May 2022 to December 2023 equipped with a Parker brand lower control valve might have a lower control valve provided by the manufacturer with under-torqued tie rods.","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2024/MC-11004931-0001.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2024/MC-11004931-9999.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/11004931","components":[],"codes":[],"topics":[],"vehicles":[{"make":"ALTEC","model":"DIGGER DERRICK","year_from":2022,"year_to":2023,"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":[]}