Van-type trailers represent the majority of demand in any given year. From 2017 to 2021, dry and reefer vans accounted for more than 75% of all trailers sold in the US. Dry vans represented 61% of production, while reefer vans were 15% of the market. Flatbeds, the third-largest trailer category, averaged 9% of production. The remaining seven trailer categories represent almost 15% of the market