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Kenworth T680 Parts — Engines, Transmissions & Drivetrain
Aero linehaul flagship, typically PACCAR MX-13.
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Common Kenworth engines
Frequently asked questions
Are Kenworth and Peterbilt engines interchangeable?
Both are PACCAR brands and often share the MX engine, but fitment still depends on chassis, emissions and calibration. A specialist verifies before shipping.