Foucault Trailer Sales in Sudbury offers customers a wide variety of new and used RVs and trailers. We also purchase your used models, and will sell your RV for you on consignment upon request. Foucault Trailer Sales stocks a large inventory of ultra-light, travel, 5th wheel and park model trailers. Call today for more information, or come by to have a look at all of our trailers. more... See more text