Kuhl Hose was dispatched just after 04:00 to assist Wattsburg for a barn fire.  An Engine and 2 Tenders were requested.  Chief 180 arrived on scene and reported a pole barn heavily involved in fire.  683, 686, & 685 responded.  683's crew pulled a hand line from Engine 172 and assisted with fire knockdown / containment.  Crews were on scene for several hours.