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(855) 9BIGTEX
924-4839
Big Tex 21GX Triple Axle Extra Wide Gooseneck Dump

The large and powerful 21GX Triple Axle Extra Wide Gooseneck Dump Trailer from Big Tex can carry nearly 15,000 pounds with ease. Not only can this powerful dump trailer handle an impressive payload, but it also offers 8.3 cubic yards of box capacity. A fully formed shroud for a trap and 24-inch sides keep your loads secure, and a 45-degree dump angle makes for easy dumping when you reach your destination.

STANDARD SIZES:
  • 83" x 16'
G.V.W.R. Rating:
21,000#
Trailer WEIGHT:
  • 6,230#
Trailer Payload:
14,770#
Key features
  • 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
  • 45 Degree Dump Angle
  • Stake Pockets (Sides)
  • Dexter Brand Axles
  • 110V Charger
  • (4) 5/8” D-Rings Inside Bed
  • Nev-R-Adjust Electric Brakes
  • Cambered Axles
Specifications
Model# Weight Description
21GX-16 6,230# 83” x 16’ Triple Axle Extra Wide Gooseneck Dump
Trailer Weights & Capacities
Length Empty Weight Payload Box Capacity
21GX-16 6,230# 14,770# 8.3 Cubic Yards
G.V.W.R. 21,000#
G.A.W.R. (Ea. Axle) 7,000#
Coupler 2-5/16” Adjustable Pipe
Safety Chains 3/8” Grd. 70 w/Safety Latch Hook (2 each)
Jacks Dual 12,000# Side Wind Drop Legs
Neck 10” I-Beam
Frame 8” x 3” Rectangular Tubing
Crossmembers 6” Channel, 3” x 3” Tubing
Bed Crossmembers 3” Channel
Bed Long Sils 5” Channel
Bed Side Rails 6-1/2” Formed Angle
Fenders Double Square Broke Diamond Plate
Axles (3) 7,000# EZ Lube w/Elec. Brake
Suspension Multi-Leaf Slipper Spring w/Equalizer
Tire ST235/80 R-16 Load Range E
Wheel 16" x 6"; HD White Mod 8 Bolt
Floor 10 Gauge Smooth Steel
Lights LED D.O.T. Stop, Tail, Turn, & Clearance
Elec. Plug 7-Way RV
Finish (Prep) Steel is Cleaned to Ensure a Professional Smooth Finish
Finish Superior Quality Finish is Applied for a Highly Decorative and Protective Finish
  • 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
  • 45 Degree Dump Angle
  • Combo Gate
  • 24”, 12 Ga. Sides
  • 10 Ga. Floor
  • Stake Pockets (Sides)
  • EZ Lube Hubs
  • Dexter Brand Axles
  • 110V Charger
  • (4) 5/8” 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
  • Hoist Comparison
Category Description
JACKS Dual 2-Speed Landing Gear
TIRE/WHEEL Spare Tire (ST235/80 R-16 LR-E)
TIRE/WHEEL Tire Upgrade (ST235/85 R-16 LR-G)
TIRE/WHEEL Spare Tire Upgrade (ST235/85 R-16 LR-G)
RAMPS 7’ Slide In Ramps
POWER Wireless Remote
POWER 5 Watt Solar Charger
BODY Removable Deck on the Neck-Bolt On (8’ W x 6’ L)
BODY 24" Expanded Metal Side Extensions (16')
BODY 3' Solid Sheet Metal Sides (16')
BODY 4' Solid Sheet Metal Sides (16')
CARGO CONTROL Crank Style Roll Tarp