# How Many Engine Hours Is Considered A Lot For A Semi-Truck? - SlashGear

> How Many Engine Hours Is Considered A Lot For A Semi-Truck? Truckers estimate that the average maximum mileage for a well-maintained semi-truck is about 750,000 miles before you have to overhaul or replace it.

- **Source:** [SlashGear](https://www.slashgear.com/2278137/how-many-engine-hours-a-lot-for-semi-truck/?utm_source=gearopen.com&utm_medium=referral&utm_campaign=feed&utm_content=6acad46b56059be7f6bc0f4d)
- **Published:** 2026-10-11
- **Category:** Cars
- **Tags:** #engine #hours #semi #truck #considered #important #mileage #slashgear
- **Canonical:** http://localhost:4321/a/6acad46b56059be7f6bc0f4d

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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._