Tri-County Trailers

7'x14' Big Tex Dump

14GX Heavy Duty Tandem Axle Gooseneck Dump

For the ultimate in strength and durability, the 14GX Heavy Duty Tandem Axle Extra Wide Gooseneck Dump Trailer features a robust structure and frame plus a heavy-duty dump box with 10-Gauge steel floors. It is designed to handle heavy-duty and extra-wide loads with superior stability and efficiency.

Standard Features and Available Options:
  • Axles: 2 - 7,000# Premium, Cambered Axles with Quick-Lubricating Hubs; drop axles lower deck height to 24" from ground
  • Brakes: Forward self-adjusting electric brakes on both axles
  • Suspension: Multi-leaf slipper spring with equalizer
  • Tongue: 8" seamless I-beam integrated with frame (10#)
  • Coupler: Round adjustable pin 2-5/16" gooseneck coupler; adjustable pintle in channel in lieu of coupler
  • Safety Chains: 3/8" Grade 70 with safety latch hook (2 each)
  • Jack: Dual 12,000# drop-leg jack, side wind; dual 2-speed landing gear
  • Frame: 8" I-beam (10#)
  • Cross-Members: 3" channel on 16" centers
  • Floor: 10-Gauge smooth steel
  • Fenders: 9" x 72" 14 Ga. diamond plate double broke
  • Ramps: Not included; 6.5' slide-in ramp package available
  • Stake Pockets: Along both sides, quantity varies by length
  • Trailer Plug: 7-way RV
  • Lights: Recessed, grommet-mounted L.E.D. lighting
  • Wiring: Sealed, modular cold-weather wiring harness
  • Tires: ST235/80 R-16 Load Range E radial tires
  • Bolt Pattern: 8-lug
  • Wheels: Black mod steel
  • Spare Mount: Side spare tire mount
  • Spare Tire: Not included; spare tire and wheel (ST235/80 R-16 LR-E) and spare tire upgrade (ST235/80 R-16 LR-G) available
  • Paint: Professional finish with primer standard; black paint color
  • Tie-Downs: (4) 1/2" D-rings inside bed; along sides and rear for cargo control
  • Break-Away Kit: Complete breakaway system with zip breakaway cable
  • Battery: 12V deep cycle
  • Charger: 5A 110V on-board battery charger
  • Deck on Neck: Removable bolt-on deck, 8' W x 6' L
  • Gate: Rear combo gate with barn doors and spreader gate
  • J-Hooks: Along sides and rear for cargo control
  • Power: Power up/power down and gravity down hydraulic pump; 5 Watt solar charger; wireless remote
  • Ram: Self-contained scissor
  • Sides: 24" tall (10 Ga.) with formed channel supports; 4' solid sheet metal sides
  • 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 and rear tarp rod holders
  • Top Rail: 3" x 2" rectangular tubing
  • Steps and Handles: Convenient side-step to access top rail

Built for demanding hauling applications, this gooseneck scissor dump combines heavy-duty construction, hydraulic operation, cargo-control features, and durable components for dependable performance.
7'x14' Big Tex Dump
MSRP: $15,170
Our Price: $12,700
Financing as low as $250.22/mo
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Trailer Specs
Stock Number: 479795
VIN: 16V3D2223T5479795
Condition: New
Year: 2026
Manufacturer: Big Tex Trailer Manufacturing, Inc.
Model: 14GX 83X14 15.9K GOOSENECK SCISSOR DUMP
Weight (lbs): 4,805 lbs
Length: 14'
Width: 7'
Height:
GVWR: 15,900
Features: