2026 Big Tex Trailers 20GX 20GX-16

2026 Big Tex Trailers 20GX 20GX-16

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  • Year 2026
  • Make Big Tex Trailers
  • Model 20GX
2026 Big Tex Trailers 20GX 20GX-16

2026 Big Tex Trailers 20GX 20GX-16

2026 Big Tex Trailers 20GX 20GX-16

Mega Duty Tandem Axle Goosneck Dump

Need a big dump trailer with muscle? Built to take on heavy-duty, hefty loads, the 20GX Mega Duty Tandem Axle Gooseneck Dump has the power you need. Tough enough for the most demanding industries and environments, this trailer is packing 10,000 lbs. Torsion Axles with Super Single Wheels for big hauls. And you won't have to worry about space because the 20GX has a rugged dump box with high sides that add cubic capacity for larger loads. Best of all, its user-friendly low-profile design and optional slide-in ramp package make loading and unloading heavy equipment a quick and easy job for anyone. Next time the going gets tough, put some muscle into it.

Features may include:

Equipment Ready
  • Comes standard with 4 D-rings to secure equipment and available ramps, ready to get your heavy equipment to the big job.
Effortless Maintenance
  • Forward, self-adjusting brakes make brake maintenance a breeze. The system automatically adjusts the brake shoes as they wear down, eliminating the need for manual adjustments.
More Accessible
  • This model come standard with all the essentials, including a 12K Jack, Side Steps, Tarp Kit, Onboard Battery Charger, and Rear Combo Gates, giving you a well-rounded hauling experience.
Rear Combo Gate
  • A multi-functional rear gate with both barn doors and spreader gate that makes it easy to load, unload, or spread.
36" Sides with 10-Gauge Walls & a 7-Gauge Floor
  • Heavy-duty, steel sides and a 7-Gauge steel floor support your haul, keeping cargo contained and secured for the journey ahead.

Dimensions

Dimensions A: 192" | B: 115-1/4" | C: 76-3/4" | Sides: 36" Tall (10 Ga) with formed Channel Supports
Length Bed: 16' | Tongue: 92"
Width Bed: 83"
Coupling Round Adjustable Pin 2-5/16" Gooseneck Coupler

Capacities

Cargo Capacity 15450 lbs
Axle Capacity, Rear 10,000 lbs cambered axles with Oil Bath and Valcrum Caps

Weights

GVWR 22000 lbs
Gross Axle Weight Rating, Rear 10000 lbs
Dry Weight 6550 lbs

Chassis

Chassis Crossmembers: 3" Channel on 16" Centers | Tongue: 10" I-Beam | Tie Downs: (4) 1/2" D-Rings Inside Bed to Secure Equipment, Along Sides and Rear for Cargo Control
Mainframe 10" I-Beam
Axle Count 2

Lights and Safety

Lighting Recessed, Grommet-Mounted L.E.D. Lighting
Safety Features Safety Chains: 3/8" Grade 70 w/ Safety Latch Hook (2 ea) | Break-Away: Complete Breakaway System w/ Zip Breakaway Cable

Electric

Electrical Trailer Plug: 7-Way RV | Battery: 12V Deep Cycle | Charger: 5A 110V on Board Battery Charger
Harness Wiring: Sealed, Modular Cold-Weather Wiring Harness

Suspension

Suspension Torsion Axles

Wheels & Tires

Tires, Rear Specification ST235/75 R-17.5 Load Range J Radial | Spare Tire & Wheel: ST235/75 R-17.5 LR-J
Wheels Black Mod Steel

Brakes

Brake System Type Forward Self-Adjusting Electric Brakes on Both Axles

Features

Features Jack: Dual 12,000 lbs Drop-Leg Jack (Side Wind) | Fenders: 9" x 72" 14 Ga. Diamond Plate Double Broke | Stake Pockets: Stake Pockets Along Both Sides | Bolt Pattern: 8-Lug | Spare Mount: Side Spare Tire Mount | Paint Type: Professional Finish w/ Primer Standard | Gate: Rear Combo Gate (Barn Doors & Spreader Gate) | J-Hooks: Along sides and rear for Cargo Control | Ram: Self-Contained Scissor | Stabilizers: Rear Stabilizer Stands | Steps: Convenient Side-Step to Access Top Rail | Storage: Lockable Pump and Battery Box mounted between front Jacks | Tarp: Fully-Formed Tarp Shroud with Tarp & Rear Tarp Rod Holders | Top Rail: 3"x 2" Rectangular Tubing | Steps & Handles: Convenient Side-Step to Access Top Rail
Construction Material Floor: 7 Gauge Smooth Steel
Hitch/Type Gooseneck

Color

Color Option Black

Hydraulics

Hydraulic Pump Power: Power Up/Power Down & Gravity Down Hydraulic Pump

Product Photography