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June 2, 2026 Service bulletin

To notify dealers and customers that the engine oil specification listed on certain Federal (FED) Tags for...

Pierce technical service bulletin SB_790 for 2002-2026 Pierce Arrow XT, 2002-2020 Pierce Dash and 2002-2026 Pierce Impel and others.

Bulletin number
SB_790
Component
Unknown or other
Summary
To notify dealers and customers that the engine oil specification listed on certain Federal (FED) Tags for units equipped with PACCAR MX-13 engines may be incorrect, and to ensure proper maintenance practices are followed.

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