Cartwright Trailer Sales and Service now carries Trinity trailers. Trinity's Eagle Bridge trailers have been engineered to be the lightest weight and most durable live bottom trailers available. These trailers are lighter than the competition, sometimes as much as a ton lighter, which allows for higher payloads and greater throughput. Trinity takes pride in their craftsmanship and stands behind the conveyor trailers we have for sale. Trinity trailer takes being one of the premier semi trailer manufacturers in the USA seriously and this can be seen in the products they produce.