The Fresno County Sheriff's Office is investigating an arson fire in Coalinga.
The fire started around 4a.m. at the Harris Farms feed lot.
14 tractor trailers were engulfed in flames when firefighters showed up. It took them 45 minutes to put out the blaze.
All 14 tractors were destroyed along with several of the trailers.
Investigators suspect the fire is arson related.
In a written statement, Harris Farms said it is not expecting an interruption in operations. The company hasn't set a dollar amount on the loss.