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.

THIS MODEL IS TEMPORARILY UNAVAILABLE

Please reach out to your local dealer for any current inventory of this model.
Based on what you're looking for, you may be interested in these similar models: 25DU

Specs...

21GX
AXLE (3) 7,000# EZ Lube w/Elec. Brake
JACK Dual 12,000# Drop Leg - Side Wind
TIRE ST235/80 R-16 Load Range E
FLOOR 10 Gauge Smooth Steel
FRAME 8" x 3" Rectangular Tubing
WHEEL 16" x 6"; 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 Pin (25K)
FENDERS 9" x 112" 14 Ga. Diamond Plate Double Square Broke
G.V.W.R. 21,000#
ELEC. PLUG 7-Way RV
HITCH TYPE Gooseneck
SUSPENSION Multi-Leaf Slipper Spring w/Equalizer
FINISH (Prep) Steel is Cleaned to Ensure a Professional Smooth Finish.
SAFETY CHAINS 3/8" Grd. 70 w/Safety Latch Hook (2 each)
DUMP BODY SIDES 24" Tall Sides (12 Gauge)
BED CROSSMEMBERS 3" Channel, 16" Centers
DUMP BODY TOP RAIL 2" x 2" Square Tubing
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:

  • Round Adjustable Pin 2-5/16" Gooseneck Coupler (25K)
  • Dual 12,000# Drop Leg (Side Wind)
  • Lockable Pump & Battery Box Mounted Between Jacks
  • 24" Tall, 12 Gauge Sides w/Formed Channel Supports
  • 10 Gauge Steel Floor
  • Fully Formed Tarp Shroud on Front
  • Crank Style Roll Tarp - Standard Equipped
  • Tarp Rod Included to Secure Tarp on Rear
  • J-Hooks on Sides & Rear for Tarp Control
  • Stakepockets Along Sides
  • Self Contained Electric/Hydraulic Scissor Hoist
  • Power Up/Gravity Down Hydraulic Pump
  • 12V Interstate Deep Cycle Battery
  • 110V On-Board Battery Charger (5 Amp)
  • Dexter Brand Axles
  • Cambered Axles /EZ Lube Hubs
  • Nev-R-Adjust Electric Brakes on All Hubs
  • Grommet Mount Sealed Lighting
  • L.E.D. Lighting Package
  • Sealed, Modular Wiring Harness
  • Complete Break-A_Way System
  • Zip Breakway Cable
  • Diamond Plate Fenders
  • 2" Square Tubing Top Rail on Dump Bed
  • Combo Gate (Barn Doors & Spreader Gate)
  • (4) 1/2" D-Rings Inside Bed to Secure Equipment
  • Spare Tire Mount
  • Radial Tires

& Components

Optional Equipment

Category Description
BODY 24" Expanded Metal Side Extensions
BODY 3 Solid Sheet Metal Sides
BODY 4 Solid Sheet Metal Sides
BODY Removable Deck on the Neck- Bolt On (8 W x 6 L)
CARGO CONTROL Crank Style Roll Tarp
COUPLER 30,000# Square Adjustable Screw Type Coupler
JACK Dual 2-Speed Landing Gear
JACK Dual Elec/Hyd Jacks by Stillwell
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)

Big Tex Trailers reserves the right to change price, design, material and/or specifications without notice or obligation.