{"nhtsa_id":10143389,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2018-08-06","date":"2018-06-13","document_id":"TSB180081-061320","mfr_campaign":null,"replaces":null,"component":"EQUIPMENT; ELECTRICAL SYSTEM:ALTERNATOR/GENERATOR/REGULATOR; EQUIPMENT ADAPTIVE/MOBILITY","mfr_system":null,"summary":"This Technical Service Bulletin describes the verification and resolution of under-torqued bolts on the stator backing plate of certain generator sets. Affected generators may not show any physical symptoms initially. However, if the bolts are left under-torqued, they may become free and cause damage to the alternator, potentially resulting in a generator failure.","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2018/MC-10143389-9999.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2018/MC-10143389-0001.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/10143389","components":[{"id":"electrical","name":"Electrical system","parent":null},{"id":"equipment","name":"Equipment and accessories","parent":null},{"id":"alternator","name":"Alternator","parent":"electrical"}],"codes":[],"topics":[],"vehicles":[{"make":"CUMMINS","model":"ENGINE","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":[]}