At 8.47pm on Wednesday (6) one crew from Dogsthorpe was called to a fire on Taverners Road in Millfield, Peterborough.
Firefighters arrived to find a truck on fire and extinguished it using a hose reel. They returned to their station by 9.30pm.
The cause of the fire was deliberate. Anyone with information should contact police on 101 or Crimestoppers on 0800 555111.