SX4

Four Axle Side Dump Trailer Find dealers closest to your location. 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. The SX4-4936 is the most popular length for a four axle trailer. Lift axles and steerable axles are common options to add on this series. Specs shown are for 46’ frame length; other configurations available. 8’ 7” at Tub side, 9’ 10” at Center 1/4" Thick, AR450 Steel (or equivalent) 3/16” Thick , AR450 Steel (or equivalent) is optional External column supports, no center tub divider Push Bar Type, Bolt-On Polyurethane, any combination of gray, white or black Special colors available upon request