Smithco Model 4000

By Walt Moore, Senior Editor | September 28, 2010

SmithcoSmithco manufactures a wide range of side-dump trailers, including the four-axle model 4000, which has a tub 36 feet long and provides a volume of 24 cubic yards in its round-bottom configuration and 25 cubic yards in the flat-bottom style. The design of Smithco trailers, says the company, accommodates bulk materials, as well as boulders, rip-rap, demolition materials and tree stumps. Bulk materials, such as dirt, sand and gravel, says Smithco, can be stockpiled or spread in windrows at up to 20 miles per hour. Typical dump cycles are estimated at 15–20 seconds.

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