Station was alerted for a house fire fully involved. C-2 went responding and was advised by Caroline the fire was possibly in Dorchester but couldn't confirm. C-2 AOL with one vacant single wide trailer fully involved w/ 217 est "Preston Rd' command. C-2 advised Caroline that the fire was in Dorchester county and make sure they had been alerted. C-1 AOL with 116 and was put to work as Fire Attack. E 204 AOL and pulled two lines to start exterior attack. and E102 AOL soon after and helped the crew from E204 with knocking the fire. The scene was placed under control and turned over to FM office for investigation after a extensive overhaul. Units cleared @ 02:30hrs.