How Many Yards of Material Can a Side Dump Trailer Hold?

A side dump trailer can typically hold between 21 to 26 cubic yards of material, depending on the trailer size and design. This capacity makes side dumps ideal for hauling large loads of dirt, gravel, or debris quickly and efficiently while offering fast, stable unloading.

Hauling is all about efficiency. When hauling loads of material, you typically want to make as few trips as possible to get the job done quickly so you can move on to other tasks. Side dump trailers are well suited for this purpose. 

You can look at side dump trailer capacity numbers to do some math before starting, however, there’s more to it than that, as conditions can also be a factor. How many yards of material go into a side dump trailer can change if the ground is wet and muddy or the terrain is predominantly hilly or bumpy, at least with many products from side dump trailer manufacturers.

However, Demco side dump trailers perform well in all conditions, and we’re sure that once you start working with us, you’ll wonder why you didn’t make that decision sooner. Below are the side dump trailer specs of our entire line, so you can choose the model that best fit your needs.

Tandem Axle Side Dump Trailer Specs

Demco’s tandem axle side dump trailer capacity is something to behold. We offer these models with air ride and spring ride suspensions to fit your current hauling setup, so you won’t have to worry about getting these trailers around. The air ride suspension model has trailer lengths of either 35 or 40 feet, and each can haul up to 21.4 cubic yards of material.

These side dump trailers can do it all, including dump on either side, ride smoothly, and change direction easily compared to models from other side dump trailer manufacturers. The only other difference between these two models is the tub. The 40-foot trailer comes standard with a tub of 34 feet, and the 35-foot trailer’s tub is 30 feet.

Demco also offers two models of side dump trailers with spring suspension. Like their tandem axle air ride suspension counterparts, they come in 35- and 40-foot lengths. The 35-foot trailer has a side dump trailer capacity of 21.4 cubic yards, but our 40-foot model can handle up to 24.2 cubic yards.

Triple Axle Side Dump Trailer Specs

If you need something a bit sturdier regarding the number of axles, Demco has you covered with our Triple Axle Side Dump Trailer line. We offer eight models within our line of air ride suspension models, and the capacity for each is below:

• 35’ trailer with 30’ tub – 21.4 cubic yards
• 40’ trailer with 34’ tub – 24.2 cubic yards
• 42’ trailer with 34’ tub – 24.2 cubic yards
• 44’ trailer with 34’ tub – 24.2 cubic yards
• 44’ trailer with 37’ tub – 26.1 cubic yards
• 46’ trailer with 34’ tub – 24.2 cubic yards

Our 44’ with 34’ tub and 44’ with 37’ tub sizes each offer two models, so you can decide which side dump trailer specs work best for you based on those details. Aside from seeing just how many yards of dirt fit in the side dump, the bottom line with these high-end pieces of equipment is that they offer huge capabilities and endless levels of performance.

If you prefer or need spring ride suspension, Demco has several options in this regard as well. Below, you’ll find the side dump trailer capacity for each:

• 35’ trailer with 30’ tub – 21.4 cubic yards
• 40’ trailer with 34’ tub – 24.2 cubic yards
• 42’ trailer with 34’ tub – 24.2 cubic yards
• 44’ trailer with 34’ tub – 24.2 cubic yards

Quad Axle Side Dump Trailer Specs

Demco also has a complete inventory of quad-axle models, and we offer them with air ride suspension. Their capacities are as follows:

• 44’ trailer with 34’ tub – 24.2 cubic yards
• 44’ trailer with 37’ tub – 26.1 cubic yards

Demco offers a second model with a 44’ trailer and a 37’ tub. Its side dump trailer capacity is 26.1 cubic yards, which should keep the number of loads needed to complete as low as possible.

The Quint Axle Side Dump Trailer Specs

You need a lot of stability if you need five axles on your side dump trailer. Demco can make that happen with our model CR445-AR-FLS-RL-3726. This model's side dump trailer capacity is 26.1 cubic yards, and you get the same low center of gravity for ease of movement. You’ll only need 20 seconds to empty your load, so you won’t waste time waiting to move on to your next haul.

Side Dump Truck Boxes

A lot of hauling jobs need to occur in relatively tight spaces. In those situations, the larger models detailed above may not be what you need. Demco offers a mounting kit for shorter trailers so you can easily affix your side dump trailer to your tractor or truck’s chassis and get moving. You won’t have to worry about fit or stability, and you’ll be able to save a lot of time getting in and out of those smaller spaces with this functionality at your disposal.

Demco Side Dump Trailer Trains

If you have a massive amount of material to haul, tackling this job with just one side dump trailer may not make sense. You may need more than one working for you at any given time. Demco has the answer with our side dump trailer train configurations that will keep things moving on a job site, on your land, or wherever else you need to do a lot of clearing and hauling and do it quickly.