{"nhtsa_id":10034050,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2010-10-13","date":"2010-07-08","document_id":"PI-31768","mfr_campaign":null,"replaces":null,"component":"POWER TRAIN:MANUAL TRANSMISSION","mfr_system":null,"summary":"AMERICAN CATERPILLAR/CATERPILLAR SERVICE CAMPAIGN: SEE DOCUMENT SEARCH BUTTON FOR OWNER LETTER. PRODUCT IMPROVEMENT PROGRAM FOR REWORKING TRAIN 3 PLANET CARRIER AND SHAFTS ON CERTAIN CX31 RETARDER TRANSMISSIONS. THE TRAIN 3 PLANET CARRIER AND SHAFTS NEED TO BE UPDATED ON CERTAIN CX31 RETARDER TRANSMISSIONS DUE TO PREMATURE FAILURE. THIS REWORK WILL INCREASE THE LUBE TO THE PLANETARY. CSC LETTER WAS REC'D. *PE","document":null,"url":"https://open.wenmarpro.com/bulletins/10034050","components":[{"id":"powertrain","name":"Transmission and driveline","parent":null},{"id":"manual-transmission","name":"Manual transmission","parent":"powertrain"}],"codes":[],"topics":[],"vehicles":[{"make":"AMERICAN CATERPILLAR","model":"AMERICAN CATERPILLAR","year_from":null,"year_to":null,"match":null,"vehicle_ids":[]},{"make":"CATERPILLAR","model":"CATERPILLAR","year_from":null,"year_to":null,"match":"exact","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":[]}