At 10:37 Saturday, Companies 33 and 31 were sent to the area of MM52.9 SB on I81 for a tractor trailer fire. C133 was advised of multiple calls received. E33 (with 4) and Tanker 33 responded. Crews arrived with fire from the rear tractor axles extending into the trailer. 2 handlines were stretched from E33 and the Tanker picking up the supply. Crews made access through the trailer wall the get water onto the fire in the trailer. Trailer contents was rolled paper. Control was marked 12 mins after arrival. Fire Apparatus cleared at 11:42 and Fire Police remained on scene clearing around 13:30.