Big Tex 20GX Mega Duty Tandem Axle Gooseneck Dump

The 20GX dump trailer provides the muscle to handle hefty loads. 10,000 pound torsion axles and a heavy-duty dump box mean the 20GX is ready to work.

  • 82-1/2" x 16'
G.V.W.R. Rating:
  • 22,000#
Trailer WEIGHT:
  • 6,550#
Trailer Payload:
  • 15,450#
Key features
  • Low Profile Deck Clearance
  • Torsion Axles and Super Single Wheels
  • 10 Gauge Sides
  • Heavy Duty Steel Floor
  • Rear Combo Gate
  • Premium Cambered Axles
Line Drawing for 20GX
Model# Weight Description
20GX-16 6,550# 82-1/2" x 16' Mega Duty Tandem Axle Gooseneck Dump
Trailer Weights & Capacities
Length Empty Weight Payload Box Capacity
16' 6,550# 15,450# 8.3 Cubic Yards
G.V.W.R. 22,000#
G.A.W.R. (Ea. Axle) 10,000#
Coupler 2-5/16" Round Adj. Pin (25K)
Safety Chains 3/8" Grd. 70 w/Safety Latch Hook (2 each) WHEEL
Jacks Dual 12,000# Drop Leg- Side Wind
Fenders 9" x 72" 14 Ga. Diamond Plate Double Square Broke
Axles (2) 10,000# Oil Bath w/Electric Brakes
Suspension Torsion Axles
Tire ST235/75 R-17.5 Load Range J
Wheel 17.5" x 6.75"; Black Mod, 8 Bolt
Floor 7 Gauge Smooth Steel
Lights L.E.D. D.O.T. Stop, Tail, Turn and 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)
  • 10" I-Beam Frame and Neck
  • Dual 12,000# Drop-Leg Jacks (Side Wind)
  • Lockable Pump and Battery Box Mounted Between Jacks
  • 36" Tall, 10 Gauge Sides w/Formed Channel Supports
  • 7 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 and Rear for Tarp Control
  • Stakepockets Along Sides
  • Self Contained Electric/Hydraulic Scissor Hoist
  • Power Up/Power Down Hydraulic Pump
  • 12V Interstate Deep Cycle Battery
  • 110V On-Board Battery Charger (5 Amp)
  • Cambered Torsion Axles w/ Oil Bath Hubs
  • Forward Self Adjusting Electric Brakes on All Hubs
  • Grommet Mount Sealed Lighting
  • L.E.D. Lighting Package
  • Sealed, Modular Wiring Harness
  • Complete Break-A-Way System
  • Zip Breakaway Cable
  • Diamond Plate Steel Fenders
  • 3" x 2" Rectangular Tubing Top Rail on Dump Bed
  • Combo Gate (Barn Doors and Spreader Gate)
  • Rear Stabilizer Stands
  • (4) 1/2" D-Rings Inside Bed to Secure Equipment
  • Spare Tire Mount
  • Radial Tires
  • Spare Tire and Wheel- Standard Equipped
Optional Equipment
Category Description
BODY 4 Solid Sheet Metal Sides
BODY Removable Deck on the Neck- Bolt On (8 W x 6 L)
JACKS Dual 2-Speed Landing Gear
JACKS Dual Elec/Hyd 12,000# Jacks by Stillwell
POWER 5 Watt Solar Charger
POWER Wireless Remote
RAMPS 6.5 Slide In Ramp Package
How to pick the right trailer for your needs.