July 1978: Leveraging the firm's modern manufacturing campus, production of Heavy Haulers boat trailers is launched in Crosby-Ironton. Sold through Scorpion and Arctic dealerships (as well as a private-label), Heavy Haulers will be capable of handling boats as large as 26' and weighing nearly 10,000 pounds. Crosby-Ironton Courier. See Terms of use. Link to Home.