Buying A Used Semi Truck | What To Look For When

: Request a detailed history showing regular oil changes (typically every 15,000–30,000 miles for modern diesels), filter replacements, and cooling system flushes.

: Look for oil leaks around the block and gaskets, and signs of coolant residue. what to look for when buying a used semi truck

A truck that doesn't track straight or stay together is a safety hazard and a money pit. New vs. Used Ford Trucks in 2025: A Complete Buyer's Guide : Request a detailed history showing regular oil

: Check for documented engine overhauls, transmission repairs, or aftertreatment (DPF/SCR) service. If an engine was rebuilt, verify it was done by a certified mechanic. 000 miles for modern diesels)

: Ensure oil is clean and free of metal shavings. Milky residue in the oil or coolant suggests cross-contamination. 3. Structural & Mechanical Integrity