About End-Dump Semitrailers
Dump trailers are a type of specialized semi-trailer designed to haul debris, building materials, logs, boulders, rough matter, and other payloads that can be hauled and then dumped en masse. There are several dump trailer types and they come in a variety of sizes, making them a versatile option for construction, energy, and other industrial applications.

Mac Trailer MACsimizer Half Round End-Dump Trailer
Much like a dump truck, an end-dump trailer unloads by extending a hydraulic cylinder beneath the payload in order to tip up the front end to an angle up to 45 degrees, causing loaded material to slide to the rear and exit the trailer through a gate on its end. Of course, an end-dump semitrailer can carry much more material per trip than a standard dump truck, which makes these trailers a good fit for large-scale material stockpiling in the construction, agriculture, and mining industries, among others. They can also operate within tighter space constraints than can bottom-dump trailers, but can in some cases be less stable during unloading due to the need to elevate the load, especially when unloading on surfaces that aren’t level.
Dump Trailer Distinctions
By comparison, belly-dump trailers are designed like a hopper on wheels and are typically loaded from the top and unloaded by opening one or more gates situated along the trailer’s bottom, often while in motion to create a material windrow. And as their name implies, side-dump trailers offload their contents by tipping the entire payload to the left or right along a central pivot point. These trailers are typically semi-cylindrical in shape and use hydraulic cylinders to tilt the payload to one side.
Construction
Although many segments of the semitrailer market are increasingly moving toward aluminum construction for its lighter tare weights and higher payloads, end-dump trailers commonly have dump beds constructed of steel plate. These trailers are often used to haul rough materials such as large stones and demolition waste, where durability is a key factor. Some, like Mac Trailer’s Mac Steel end-dump trailer combine a steel dump bed with options for aluminum draft arms, dollies, fenders, wheels, and more, which Mac says add up to weight savings in excess of 1,000 pounds (453 kilograms).
Find The Right End-Dump Semitrailers
You’ll find a big selection of new and used end-dump trailers for sale on TruckPaper.com from such leading manufacturers as Armor Lite, Arne’s, East, Mac, Manac, Trailstar, Travis, Vantage, and others.