# How Often Do Semi-Truck Engines Need Their Oil Changed?

> Keeping up with oil changes is one of the simplest yet most crucial ways to extend your truck's life. Diesel engines, especially in hard-working semi-trucks, deal with massive loads and long hauls, so oil that's clean…

- **Source:** [SlashGear](https://www.slashgear.com/1862524/semi-truck-engine-oil-change-interval/?utm_source=gearopen.com&utm_medium=referral&utm_campaign=feed&utm_content=68328fd05bb5d33bedc0a4cb)
- **Published:** 2025-05-25
- **Category:** Cars
- **Tags:** #engines #semi #truck #changed #often #average #change #clean
- **Canonical:** http://localhost:4321/a/68328fd05bb5d33bedc0a4cb

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_GearOpen's distilled summary. The full original article is published at SlashGear (source link above); GearOpen does not republish the source's full text._