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SmithCo’s side dump trailers are built to withstand the toughest job sites. With construction grade tires and an ability to haul dirt, rock, millings, riprap and other materials, our trailers are an ideal choice for the everyday challenges of the construction industry.

Construction pup cp30


SmithCo’s Construction Pup is designed for both off-road construction and agriculture.

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SmithCo’s Truck Mount Box is a shorter, easier to transport, fully functional side dump trailer that can be mounted to a tractor or truck chassis.



SmithCo’s SX1 Single Axle side dump trailer is primarily used in situations when maneuverability is an issue, or in a doubles operation.



SmithCo’s SX2 Tandem Axle side dump trailer is one of our most popular and versatile models.

Smithco sx3 triple axle side dump trailer


SmithCo’s SX3 Three Axle side dump is a popular choice in states allowing extended gross weights for 5-axle+ trailer/truck combos.

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SmithCo’s SX4 Four Axle side dump trailer is primarily used in states that allow extended weights and is usually part of a line-haul application.



SmithCo’s SX5 Five Axle side dump trailer is similar to the four axle model, but features a liftable/steerable axle added behind the landing leg area.

Double Tub

Double Tub Series

The SmithCo Double Tub Series is our SX Series frame mounted with two or three tubs instead of one.

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