The blaze happened on Route 80 near mile marker 272.1, said White Haven Fire Company. Troopers brought the flames under control by the time firefighters arrived, and a hose was used to soak down the engine compartment, authorities said.
No one was injured, the fire company added.
Daily Voice has reached out to PSP for details on what caused the fire.
Click here to follow Daily Voice Hanover-Penn Township and receive free news updates.