What To Look For When Buying — A Used Semi Truck

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

: 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. what to look for when buying a used semi truck

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