Used Dump Trucks For Sale
Used dump trucks with steel or aluminum bodies, AR floors, and lift axles, optimized for payload, asphalt or aggregate, corrosion control.
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About Used Dump Trucks
Material and floor thickness drive wear life and tare weight. Steel bodies with 3/16 to 1/4 inch AR floor plates handle rock and demo without oil canning, scuff liners protect sidewalls, and tailgate hardware should have minimal slop. Aluminum bodies drop 1,500 to 2,500 pounds of tare for more payload on sand, gravel, or asphalt, but dent more easily and are not ideal for large rip rap or demo. Half round bodies concentrate strength in the shell and run lighter, elliptical offers a blend of strength and clean release, square box bodies pair well with underbody hoists and spreading work. UHMW or QuickSilver style liners reduce carryback, speed dump cycles, and protect floors, especially with asphalt.
Thermal integrity matters for hot mix, look for insulated bodies with double walls, foam or mineral wool, and tight tailgate seals to slow heat loss and prevent segregation. Exhaust body heat diverters, heated rear aprons, and asphalt rated tarps help maintain temperature from plant to paver. Poly liners with asphalt release coatings reduce stick and preserve surface finish, pay attention to thermal bridges at crossmembers, sills, and tailgate hinges that can pull heat from the load.
Corrosion resistance is a long term cost item. Salt and wet aggregate attack steel frames and subframes, stainless hardware, sealed harnesses, quality primer and topcoat, and proper isolators between aluminum bodies and steel subframes limit galvanic activity. Double frames add bending strength for off road abuse but increase tare and can trap moisture, inspect for rust jacking between liners. For driveline durability, 1,650 to 2,050 lb ft engines, 8LL or 13 speed manuals or heavy duty automatics, 18 to 20k steer axles, 40 to 46k tandem rears with locking differentials, and job site friendly suspensions like Hendrickson Haulmaax, Mack Camelback, or Chalmers deliver traction and dump stability. Spec brakes, tires, and hoists for the heaviest use case, stability at full tip is the safety margin that pays every day.
Frequently Asked Questions
What body material and floor thickness should I choose for my application?
For rock, demo, and shot material, a steel body with AR400 to AR500 floor in 1/4 inch is common, with 3/16 inch acceptable for mixed aggregate. For sand, gravel, and asphalt, an aluminum body trims 1,500 to 2,500 pounds of tare and boosts payload, often with a 3/16 inch 5454 or 5083 plate floor. Add scuff liners on the sides for loader abuse, and consider a UHMW liner to protect the floor and speed clean release.
How do half round, square box, and elliptical dump bodies compare?
Half round bodies run lighter and resist denting because the curved shell carries the load, they excel with rock and are simple to keep clean but are harder to tarp tight. Square box bodies maximize volumetric capacity and pair well with spreading, barn door tailgates, and underbody hoists. Elliptical designs split the difference, they clean out well, keep a lower center of gravity than a tall box, and handle mixed duty without excess tare.
Do I need an insulated body for asphalt and how is heat maintained?
Yes for consistent mat quality and longer haul routes. Insulated bodies use double walls with foam or mineral wool to retain heat, tight tailgate seals reduce edge cooling, and asphalt rated flip tarps keep heat and moisture out. Many trucks route exhaust through a body heat diverter to warm the floor, and poly liners with approved release agents help prevent sticking without pulling heat rapidly from the mix.
What axle configuration should I consider to maximize legal payload?
Bridge law and local rules dictate spacing and allowable weights, so regional spec is key. Tandems are versatile, tri axles add a pusher or tag to raise legal gross without a long wheelbase, and quads increase payload where laws allow. Lift axles with proper spacing, steerable or non steer, help balance weight on the road and can be raised for job site maneuvering to reduce scrub and wear.
How can I manage corrosion on a dump truck used around salt or wet aggregate?
Start with good paint and undercoating on the frame and body sills, stainless or zinc plated hardware, sealed electrical connectors, and drain paths that do not trap slurry. If pairing an aluminum body to a steel subframe, use proper isolators to limit galvanic reaction. Inspect double frame areas for rust jacking, wash frequently, and touch up chips promptly, a small investment in coating and wash cycles prevents expensive structural repairs later.