One that might do it for you is a Thompson 51' trawler listed by a private seller on boattrader, under Thompson trawler for sale, asking $35,000, in Camden NC. Phone 920 664 5054.
1977 boat, 2x Cat 3208 na, hours unk, but seller says no oil burn, 1600 gal fuel, 400 water. 51' LOD, 53 overall...