{"id":"f540f65e-6355-4e19-9dd7-56183516afd9","companyId":"1416ccb9-98f3-4375-add3-47ee2454a63e","modelName":"Stack AV Autonomous Truck (Peterbilt 579)","slug":"stack-av-truck","description":"Stack AV's autonomous Class 8 truck: a Peterbilt 579 fitted with Stack AV's sensor stack under a PACCAR collaboration, unveiled at ACT Expo in May 2026. Development-stage technology demonstrator, not a commercial or driverless milestone.","formFactor":"truck","maturityStage":"research","lifecycleState":"active","supersededByModelId":null,"specs":{"base":"Peterbilt 579 (PACCAR collaboration)","type":"Class 8 autonomous truck","status":"development-stage demonstrator"},"manufacturerSerial":null,"reviewStatus":"reviewed","sources":[{"url":"https://www.truckinginfo.com/photo-galleries/autonomous-trucks-at-act-expo-2026","title":"Stack AV Peterbilt 579 at ACT Expo 2026 (PACCAR collaboration) (May 8, 2026)","sourceName":"Heavy Duty Trucking"},{"url":"https://www.wpxi.com/news/local/stack-av-unveils-new-autonomous-truck-after-years-stealth-mode/7JOYF7JJ3BBZFHCDVLZZRRA5F4/","title":"Stack AV unveils its autonomous truck (May 8, 2026)","sourceName":"WPXI"}],"aliases":[],"collisionRisk":"low","reviewNote":null,"manufacturerTermForTeleop":null,"createdAt":"2026-05-31T12:24:11.048Z","updatedAt":"2026-05-31T12:24:11.048Z"}