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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.

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AXLE (2) 10,000# Oil Bath w/Electric Brakes
JACK Dual 12,000# Drop Leg- Side Wind
NECK 10" I-Beam
TIRE ST235/75 R-17.5 Load Range J
FLOOR 7 Gauge Smooth Steel
WHEEL 17.5" x 6.75"; 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 and Clearance
COUPLER 2-5/16" Round Adj. Pin (25K)
FENDERS 9" x 72" 14 Ga. Diamond Plate Double Square Broke
G.V.W.R. 22,000#
MAIN FRAME 10" I-Beam 19#
SUSPENSION Torsion Axles
FINISH (Prep) Steel is Cleaned to Ensure a Professional Smooth Finish.
SAFETY CHAINS 3/8" Grd. 70 w/Safety Latch Hook (2 each) WHEEL
DUMP BODY SIDES 36" Tall Sides (10 Gauge)
DUMP BODY TOP RAIL 3" x 2" Rectangular Tubing
G.A.W.R. (Ea. Axle) 10,000#
DUMP BODY CROSSMEMBERS 3" Channel, 16" Centers


Model Weight Description
20GX-16 6,550# 82-1/2" x 16' Mega Duty Tandem Axle Gooseneck Dump

& Features

  • Low Profile Deck Clearance

    Low Profile Deck Clearance

    30" Deck clearance makes loading and unloading debris and heavy equipment a cinch.

  • Torsion Axles and Super Single Wheels

    Torsion Axles and Super Single Wheels

    The torsion axles and super single wheels provide heavy-duty cargo capacity.

  • 10 Gauge Sides

    10 Gauge Sides

    Heavy duty steel sides with 36" height for ideal cargo containment.

  • Heavy Duty Steel Floor

    Heavy Duty Steel Floor

    10 Gauge steel floor

  • Rear Combo Gate

    Rear Combo Gate

    Multi-functional rear gate that can be used as a spreader gate or open as barn doors.

  • Premium Cambered Axles

    Premium Cambered Axles

    Premium brand axles with forward self-adjusting electric brakes.

The 20GX also comes equipped with:

  • 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

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