At 04:45 this morning the alarm went out for a Trailer Fire on Cemetery Rd, Unity Twp, just outside of the Crabtree city limits.  Assistant 34-1 arrived & found a mobile home with several additions 3/4 involved with all occupants out.  Engine 34 with a crew of 4 arrived next & began the suppression utilizing a 2 1/2" & 1 3/4" attack line.  Rescue 34 arrived next & set up scene lighting & assisted in the attack.  Mutual aid companies arrived and assisted with water supply, suppression & extensive overhaul.  Crews out 3 1/2 hrs.  Units on the scene 34, 75, 77, 79, 84, 90, 114.