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December 20, 2025 Service bulletin

Upper Bunk Restraint System – Plastic Gable Retention Field Fix

Mack technical service bulletin CBR 2540 202512 for 2025-2026 Mack Pioneer PR (4) and 2026 Mack Anthem An (4).

Bulletin number
CBR 2540 202512
Component
Unknown or other
Summary
Upper Bunk Restraint System – Plastic Gable Retention Field Fix

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