How Often Does a Diesel Truck Need an Oil Change?

Lighter duty vehicles need their oil changed more frequently. Most consumer vehicles need their oil changed every 3,000 miles or so. Light duty commercial vehicles typically need their oil changed around every 5,000 miles.

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Heavy duty vehicles such as semi trucks will typically need an oil change every 25,000 miles. If properly cared for, this could go up to 50,000 miles.

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Most fleets will want to change their oil more frequently to ensure consistent performance, so at around the 16,000 mile mark is when a heavy duty fleet operator should consider changing the oil in their vehicles.

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