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May 5, 2026 Service bulletin

(KW) Certain T680 / T800 / T880 / W900 / W990 have updated GHG labels available for order and installation.

Kenworth technical service bulletin 43-087 for 2022-2026 Kenworth T680, 2021-2025 Peterbilt 579 and 2021-2025 Peterbilt 389 and others.

Bulletin number
43-087
Component
Unknown or other
Summary
(KW) Certain T680 / T800 / T880 / W900 / W990 have updated GHG labels available for order and installation.

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