Curtainside Trailers For Sale

Curtainside trailers, often built as a flatbed with a rolling curtain or Conestoga-style tarping system, fill the gap between a standard flatbed and a dry van. They give you side-loading access for forklifts while keeping freight protected from weather, road spray, and most in-transit debris. For shippers handling palletized building products, bagged materials, paper, steel, crated machinery, or other freight that does not need a fully enclosed van, a curtainside can improve loading speed without giving up securement options.

The biggest buying decision is the body style and curtain system. Some units are true curtainside trailers with fixed roof structures and retractable side curtains. Others are flatbeds equipped with a Conestoga rolling tarp system that slides forward or backward over the deck. Both designs are common in 45-foot and 48-foot lengths, with 102-inch width being standard. Aluminum construction is popular for lower tare weight and higher payload, while steel or composite builds may appeal to buyers focused on durability and lower acquisition cost. Floor type matters too. Aluminum floors save weight, but wood floors and nailer strips can be more forgiving for certain freight and forklift traffic.

Axle layout, kingpin setting, and suspension spec should match the lanes you run and the freight you load. Sliding tandems offer flexibility for bridge laws and dock positioning, while fixed spread axles are common on lightweight aluminum trailers built for payload and stability. Air ride suspension is the norm because it helps protect delicate cargo and reduces shock transfer. Buyers should also look closely at inside clearance, curtain condition, roof bows, roller tracks, bulkheads, crossmember spacing, and winch-track layout. Many curtainside and Conestoga trailers are equipped with sliding winches, straps, coil packages, chain racks, toolboxes, and nailer strips, so the trailer can handle both palletized freight and more specialized securement needs.

Condition on this category is often about the moving parts as much as the frame. Inspect curtain wear, tears, latch systems, buckles, tarp tension, roller operation, and water sealing points. On Conestoga systems, make sure the frame rolls smoothly and the tarp structure is not bent or binding. Check for forklift damage in the floor, side rail wear, corrosion around crossmembers, and tire and brake condition, especially on older spread-axle units. A well-spec'd curtainside trailer can reduce tarping labor, shorten loading time, and expand the kind of weather-sensitive flatbed freight a carrier can accept.