What To Look For When Buying A Used Semi: Truck

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

: 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

: Blue smoke can indicate oil burning, while excessive white or black smoke suggests fueling or aftertreatment issues. what to look for when buying a used semi truck

: 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.

: Ensure oil is clean and free of metal shavings. Milky residue in the oil or coolant suggests cross-contamination. 3. Structural & Mechanical Integrity : Check for excessive crankcase pressure, which can

: Look for oil leaks around the block and gaskets, and signs of coolant residue.

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

Buying a used semi-truck is a high-stakes investment where the right choice fuels your business and the wrong one drains it. While a lower price tag is tempting, "best value"—which factors in reliability, fuel efficiency, and expected longevity—is far more critical than the lowest initial cost. 1. The Paperwork Trail: Evidence of Care