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21GX
Big Tex 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.

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)
Specifications
Line Drawing for 21GX
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
16' 6,230# 14,770# 8.3 Cubic Yards
Features
G.V.W.R. 21,000#
G.A.W.R. (Ea. Axle) 7,000#
Coupler 2-5/16" Adjustable Pin (25K)
Safety Chains 3/8" Grd. 70 w/Safety Latch Hook (2 each)
Jacks Dual 12,000# Drop Leg - Side Wind
Tongue 10" I-Beam
Frame 8" x 3" Rectangular Tubing
Bed Crossmembers 3" Channel, 16" Centers
Fenders 9" x 112" 14 Ga. Diamond Plate Double Square Broke
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"; Black Mod, 8 Bolt
Floor 10 Gauge Smooth Steel
Lights L.E.D. 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.
Standard Equipment
  • 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
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)
How to pick the right trailer for your needs.