Engine 65 was alerted around 1530 hours by MCEOC to assist 68 and 37 on a working Barn Fire.  Chief 37 arrived and found a working hay barn fire with exposures to multiple other buildings.  He set up command and requested 2 additional engines and 6 additional tankers.  E65 arrived 3rd in and sent the crew to assist 37 and 67 crews with ground monitors to slow the fire spread. L37 was flowing it's ladder pipe deep into the fire.  Command requested Berks Ladder 15 to assist on the second barn that was on fire.  Crews continued to work pulling the tin walls and roof off the hay piles while multiple lines flowed.  Draft operations were shut down to open the roads and E68 was relocated to a creek to draft.  E68 shut down due to mechanical issues and E65 was relocated to draft.  Crews worked until around 2030 hours and were returned to service.