SX3

Three Axle Side Dump Trailer Find dealers closest to your location. SmithCo’s SX3 Three Axle side dump is a popular choice in states allowing extended gross weights for truck/trailer combinations with more than five axles. The SX3-4234 and SX3-4636 are the most common three axle trailer sizes but lengths run from SX3-3734 to SX3-5036. Shorter to mid-length trailers tend to be used for everyday construction jobs, while the longer three axle trailers are frequently used for line-haul applications. Specs shown are for 41’ 5” frame length; other configurations available. 1/4" Thick, AR450 Steel (or equivalent) 3/16" Thick, AR450 Steel (or equivalent) is Optional External Column Supports, No Center Tub Divider Polyurethane, any combination of gray, white or black Special colors available upon request We tipped a few end dumps over, came across side dumps, ended up switching to SmithCo, and the rest is history; that's all we own. We've never tipped over a SmithCo. The tarps operate well. We like the frames; the frames don't twist. If you're asking for a suggestion on what I'd do different, I don't know what it would be. We really put them to the test. We just got done with a 3-year project at the airport, and we put over 200,000 tons of broken concrete into [SmithCo] side dumps, crushed it, and hauled it back out on the runway. Months of big excavators throwing concrete in them, and they never skipped a beat.