View 17 Photos View 0 Videos 2024 SmithCo SX3-42-34 Side Dump Trailer - As New $92,500 USD Near new Side Dump - Light use. Has only hauled crushed Gravel, under 10,000 Miles Excess to needs at moment,Located near Helena, Montana ConditionUsedUsage10,000 MilesRear AxleTri Axle MLS Number14129886CategorySpecialty Trailers Last Updated2/17/2026 LocationHelena, MT, US Sold BySeattle Tractor International, Inc. (855) 977-___ SHOWNUMBERCall Seller Email Seller Save More Info