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January 8, 2026 Service bulletin

Cbr

Mack technical service bulletin CBR 820-9 202601 for 2016-2019 Mack Anthem (An), 2019 Mack Granite (GR) and 2008-2018 Mack Cxu and others.

Bulletin number
CBR 820-9 202601
Component
Vehicle speed control
Summary
CBR - Mack Chassis - Engine Brake Only Works With The Brake Pedal, No Function During Cruise. US07 And Newer Emissions, Model Year 2008 And Newer.

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