Stay informed and let an expert guide you.

21GX

Triple Axle Extra Wide Dump Trailer

The 21GX Triple Axle Low Profile Extra Wide Dump Trailer from Big Tex is a heavy-duty gooseneck dump trailer. This unit is designed with the user in mind, easily handling its 21,000-lb payload capacity.

Interested in purchasing this trailer?

Locate a 21GX

Specs...

360°

AXLE (3) 7,000# EZ Lube w/Elec. Brake
JACK Dual 12,000# Side Wind Drop Legs
TIRE ST235/80 R-16 Load Range E
FLOOR 10 Gauge Smooth Steel
FRAME 8" x 3" Rectangular Tubing
WHEEL 16" x 6"; HD Black Mod 8 Bolt
FINISH Superior Quality Finish is Applied for a Highly Decorative and Protective Finish.
LIGHTS L.E.D. D.O.T. Stop, Tail, Turn & Clearance
TONGUE 10" I-Beam
COUPLER 2-5/16" Adjustable Pipe
FENDERS Double Square Broke Diamond Plate
G.V.W.R. 21,000#
ELEC. PLUG 7-Way RV
HITCH TYPE Gooseneck
SUSPENSION Multi-Leaf Slipper Spring w/Equalizer
CROSSMEMBERS 6" Channel, 3" x 3" Tubing
BED LONG SILS 5" Channel
FINISH (Prep) Steel is Cleaned to Ensure a Professional Smooth Finish.
SAFETY CHAINS 3/8" Grd. 70 w/Safety Latch Hook (2 each)
BED SIDE RAILS 6-1/2" Formed Angle
BED CROSSMEMBERS 3" Channel
G.A.W.R. (Ea. Axle) 7,000#

Models

Model Weight Description
21GX-16 6,230# 83" x 16' Triple Axle Extra Wide Gooseneck Dump

& Features

  • Gooseneck

    Gooseneck

    Gooseneck configuration for strength and stability.

  • 45 Degree Dump Angle

    45 Degree Dump Angle

    Steeper dump angles ensure cleaner dump outs.

  • Lockable Pump & Battery Box

    Lockable Pump & Battery Box

    This lockable box protects the battery and pump from damage and theft.

  • EZ Lube Hubs

    EZ Lube Hubs

    Making basic maintenance easier to keep up.

  • Top Wind Drop Leg Jack

    Top Wind Drop Leg Jack

    Overbuilt and easy to use, this jack provides ample lift and stability.

  • Dexter Brand Axles

    Dexter Brand Axles

    Dexter Axles outperform all others for strength and a smooth ride.

The 21GX also comes equipped with:

  • Lockable Pump & Battery Box Mounted in Front of Bed
  • J-Hooks for Tie Down
  • Fully Formed Shroud for Tarp
  • Self Contained Electric/Hydraulic Scissor Lift
  • Combo Gate
  • 24", 12 Ga. Sides
  • 10 Ga. Floor
  • Stake Pockets (Sides & Front)
  • EZ Lube Hubs
  • Dexter Brand Axles
  • 110V Charger
  • (4) 1/2" D-Rings Inside Bed
  • Nev-R-Adjust Electric Brakes
  • Cambered Axles
  • Spare Tire Mount
  • Diamond Plate Fenders
  • Grommet Mount Sealed Lighting
  • L.E.D. Lighting Package
  • Protected Wiring
  • Complete Break-A-Way System w/Charger
  • Radial Tires
  • 2" Square Tubing Top Rail

Stillwell Jacks

Optional Equipment

Category Description
BODY 24" Expanded Metal Side Extensions (16)
BODY 3 Solid Sheet Metal Sides (16)
BODY 4 Solid Sheet Metal Sides (16)
BODY Removable Deck on the Neck- Bolt On (8 W x 6 L)
CARGO CONTROL Crank Style Roll Tarp
JACK Dual 2-Speed Landing Gear
POWER 5 Watt Solar Charger
POWER Wireless Remote
RAMPS 7 Slide In Ramps
TIRE/WHEEL Spare Tire (ST235/80 R-16 LR-E)
TIRE/WHEEL Spare Tire Upgrade (ST235/85 R-16 LR-G)
TIRE/WHEEL Tire Upgrade (ST235/85 R-16 LR-G)