Tri-County Trailers

7'x16' Iron Bull Gooseneck Dump

Iron Bull DTG21 triple axle dump trailer is a heavy hauler built to help you get the job done. New engineered one-piece necks and 21,000 lbs. of GVWR provide substantial lifting power, while top-tier components and rugged construction deliver dependable performance.

With a heavy-hauling 83" x 16' triple 7k axle configuration and a total GVWR of 21,000 lbs., this trailer is ideal for construction, agricultural, or commercial operations. 7k brake axles and radial tires provide a solid foundation and ample stopping power. Primer and powder-coat finishes provide a rugged look with a showroom shine. Hydraulic cylinders and remote-operated hydraulic pumps provide the muscle for demanding loads.

Made in the USA, this trailer includes lifetime TecNic LED lighting and deep-cycle batteries. It also comes equipped with a standard tarp kit, stake pockets, locking pump box, 5-position adjustable coupler, multi-function gate, and a 110V wall-outlet charging receptacle. The 83" wide 21k gooseneck features three cambered 7k electric brake axles and the following standard features:

Standard Features
  • 6" x 12 lb I-Beam Frame
  • 12" I-Beam Neck and Risers
  • 2 5/16" Adjustable Coupler
  • 3" x 3/16" Channel Crossmembers
  • Slide-in Ramps
  • Full Length Bed Runners and Ramp Pockets
  • 10 Gauge 24" Steel Sides
  • 7 Gauge Steel Flooring
  • Weld-On Diamond Plate Fenders
  • Locking Pump Box
  • 2-10k Drop-Leg Jacks
  • Cambered Spring Axles
  • Multi-leaf Slipper Spring Suspension
  • E-Z Lube Hubs
  • 235/80R16 Radial Tires with 8 Hole Wheel
  • Standard Stake Pockets
  • Spare Tire Mount (Weld On)
  • Three-Way Gate
  • Double Acting Power Unit
  • 5" x 16" Hydraulic Cylinder
  • Scissor Hoist
  • 4 Standard 3" D-Rings
  • Flow Control Valve
  • All Lighting DOT Approved
  • Black Powder Coat
  • Standard Retractable Tarp Kit
  • Molded Sealed Harness with Resistors
  • LED Voltage Indicator in Remote
  • Built-In 5 amp Battery Charger
  • Deep Cycle Batteries
  • 7-Way Receiver Female Plug with Adapter
  • Sealed Lifetime LED Lighting

This New Iron Bull gooseneck dump trailer combines heavy-duty construction, hydraulic capability, and practical standard equipment for demanding hauling applications.
7'x16' Iron Bull Gooseneck Dump
MSRP: $19,500
Our Price: $17,400
Financing as low as $342.82/mo
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Trailer Specs
Stock Number: 118000
VIN: 3EUDG1637V1118000
Condition: New
Year: 2027
Manufacturer: Iron Bull
Model: DTG 7X16 21K GOOSENECK TELESCOPIC DUMP TRI-AXLE
Weight (lbs): 0 lbs
Length: 16'
Width: 7'
Height:
GVWR: 21,000
Features: