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October 1, 2026 Service bulletin

Trucks equipped with large sleeper cab variants may experience vibration at speeds 62

Mack technical service bulletin TSB M-818-002 202610 for 2025-2027 Mack Pioneer PR (4) and 2026-2027 Mack Anthem An (4).

Bulletin number
TSB M-818-002 202610
Component
Structure: body
Summary
Trucks equipped with large sleeper cab variants may experience vibration at speeds 62 - 70 mph when operating with an empty or lightly loaded trailer.

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