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

: Check for excessive crankcase pressure, which can indicate internal engine wear.

: Request a detailed history showing regular oil changes (typically every 15,000–30,000 miles for modern diesels), filter replacements, and cooling system flushes. what to look for when buying a used semi truck

: Use the VIN to check for past accidents, title issues (like salvage or flood brands), and outstanding recalls via the NHTSA Recall Lookup . 2. Under the Hood: The Heart of the Rig

The engine is your most expensive component to repair, making its inspection non-negotiable. A truck that doesn't track straight or stay

: 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.

: Look for oil leaks around the block and gaskets, and signs of coolant residue. : Request a detailed history showing regular oil

: Blue smoke can indicate oil burning, while excessive white or black smoke suggests fueling or aftertreatment issues.