Tandem Quarter Frame

BOX Floor & gate: HARDOX® 450; SIDEWALLS: HARDOX® single wall
LANDING GEAR Pin Style 2 speed landing gear with fullwidth front mud flaps
SUSPENSION IMT (30,000 lbs.) air suspension; higher weight capacity per axle & large more stable airbags
TIRES Cooper® 16 ply tires
HARDOX® 450 FLOOR STANDARD No crossmembers underneath the box, with solid seam welds, (superior clean out, no floor wash boarding & improved durability)
PAINT Fully sandblasted, polyurethane primed & polyurethane painted with Dupont™ Imron® paint

Toughness and reliability are built into every detail of the Neustar Tandem Quarter Frame trailer. Standard features include Hardox® 450 floor, walls, and gate to withstand years of rough treatment, solid seam welding for added strength and better cleanout, and exceptionally durable Hardox® Wear Parts that increase service life and reduce maintenance costs. Neustar trailers are 5X more durable and 10% lighter than the competition. Experience improved maneuverability and weight distribution with the Neustar Quarter Frame trailer, which can also be customized to your specific requirements.

Features & benefits

Hardox® In My Body Certified

The Neustar Tandem Quarter Frame trailer is Hardox® In My Body certified, assuring you that we built it to the highest standards, giving you unsurpassed performance and durability. Hardox is 5X as strong as mild steel, and much lighter. It can double the life of your equipment and increase your payload capacity and fuel efficiency.

All Features & Options

The Toughest Frame

The frame web and flanges of our Tandem Quarter frame are built with Strenx® high tensile steel. Strenx® is twice as strong and 30% lighter than commonly used structural steel. Reduce the trailer’s weight while increasing your payload and performance.

All Features & Options

Superior Suspension

Our Tandem Quarter Frame comes standard with IMT air ride suspension featuring larger and more stable airbags. Their 30,000 lb weight capacity per axle increases your payload by 20% over the competition.

All Features & Options

Top Quality Finish

Neustar Quarter Frame trailers are solid seam welded to improve strength and durability. Our boxes are sandblasted, primed, and topcoated with Dupont® polyurethane giving a flexible surface that is resistant to chemicals, weather, humidity, and abrasions. Our attention to detail gives you superior quality and looks.

All Features & Options

All features & options

All Features


  • 54″ side walls, Hardox® (Single Wall) formed with 4×6 top rail
  • 64″ front wall 3/16″ Hardox® 450 steel
  • 60” tailgate 3×4 tubular construction Hardox® 450 lined
  • 3/16 or 1/4″ Hardox 450 floor
  • Drivers side mounted steps
  • 6″ painted sideboards


  • Web: Strenx® high tensile steel
  • Flange: Strenx® high tensile steel
  • Extendable pin style landing gear
  • Coupler plate 1/2″
  • 2 Speed crank down landing gear


  • External Mailhot 235 or 250


  • Roll Rite Flip


  • Polished aluminum front fender
  • Mudflaps: 30″ NeuStar with aluminum


  • IMT (30,000 lbs), air ride
  • Stemco seals
  • 16 1/2″ x 7″ P20-20 linings with dust shields
  • 30-30 Spring brake
  • Haldex ABS braking system
  • Auto slacks
  • Air system per CMVSS


  • 10-stud cast unimount hub & drum long stud
  • 22.5-10 hole steel unimount – powder coated white
  • 11 R 22.5 tubeless 16 ply radials


  • Fully sandblasted steel
  • Polyurethane primer & paint – Dupont
  • Dupont DOT reflective tape
  • LED lights & sealed phillips wire harness


  • Approximate weight: +/- 14,300 lbs (tandem
  • Approximate capacity: +/- 32 cubic Yards

All Options


  • 1/4″ Hardox® 450 floor
  • 42” 48” 60” Various Sidewall heights
  • Front mounted aluminum ladder
  • Paint color change box & frame
  • Extra Amber LED Side Lighting
  • Steel extensions (replaces wood boards)
  • 9″ base hoist
  • Box vibrators


  • High lift gate
  • Combination gate
  • Center chute
  • Sealed tailgate (C with 4 tailgate locks)


  • Single lift axle (front or rear – fully automatic)


  • 24.5″ tires
  • Aluminum rim package (outside polished, inside machined)


  • Electric tarp; Air flip
  • Asphalt tarp (Neoprene)
  • Aluminum flip (mesh or neoprene)


Level up to Hardox

Hardox In My Body® represents first-rate equipment that delivers unsurpassed performance. So, when you see the Hardox® In My Body sign you can be sure you’re getting a superior product manufactured using Hardox® wear plate by a qualified program member.

How we can help

Custom Quote

Fill out our NeuStar Product Quote Request form, and will get back to you within one to three business days to refine the details of your quote.
Request Quote

Get a brochure

Download the brochure for the Tandem Quarter Frame. The brochure provides you with all the information you need about the product. If you have any questions please reach out to us via the contact form. Or, call us. We are here to help.
view & Download

Sales & service

Your Neustar Gravel Box is supported by a strong network of local sales and service centers. Every Neustar dealer has the necessary in-stock parts to ensure a quick turnaround. Fast, reliable service means less downtime and greater productivity.
Find a dealer