KW Certain vehicle model year 2026 Kenworth chassis equipped with EMY2025 PACCAR MX engines require an...
Kenworth technical service bulletin E340 for 2026 Kenworth T680, 2026 Peterbilt 579 and 2026 Kenworth T880 and others.
- Bulletin number
- E340 (E340)
- Component
- Engine
- Summary
- KW Certain vehicle model year 2026 Kenworth chassis equipped with EMY2025 PACCAR MX engines require an amended engine label. The engine label is now available for order and installation. PB Certain vehicle model year 2026 Peterbilt chassis equipped with EMY2025 PACCAR MX engines require an amended engine label. The engine label is now available for order and installation.
Vehicles covered
- Kenworth T680 2026 2026
- Peterbilt 579 2026 2026
- Kenworth T880 2026 2026
- Peterbilt 567 2026 2026
- Peterbilt 520 2026 2026
- Peterbilt 589 2026 2026
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