2027 Big Tex 3XGN-20+5 

2027 Big Tex 3XGN-20+5

3XGN

Super Duty Tandem Dual Gooseneck

Take on the toughest hauls with the 3XGN super duty tandem dual gooseneck trailer. Built for heavy-duty jobs, this powerhouse packs 15,000-lb axles and a 30,000-lb G.V.W.R. to move your heaviest equipment — even through rough terrain. Whether you're in construction, industrial work, or a heavy equipment dealership, you need a strong and reliable solution every day. This trailer — and all our products from Big Tex Trailers — is built to work as hard as you do.

Pipe Spools, Rub Rail and Stake Pockets

Equipped with heavy duty 3/8" side rails, stake pockets, and chain spools to maximize your ability to secure and protect whatever you’re hauling.

Oil Bath Axles with Forward Self Adjusting Brakes and Valcrum Caps

Designed with reliability in mind, these axles provide long-term durability and hauling strength along with being easier to maintain.

Optional Mega Ramps

Provide a loading surface that covers almost the complete deck width, delivering maximum stability and flexibility during loading.

Dual Two Speed Landing Gear

Always ready to help stabilize your load during loading, unloading, or storage.

Features May Include:

Axles    

• 2 - 15,000# Dual Wheel w/ Oil Bath & Valcrum Caps

Brakes    

• Forward Self-Adjusting Electric Brakes on Both Axles

Suspension    

• Heavy Duty 44,000# Adjustable

Coupler    

• 2-5/16” Ball, Adjustable Square Crank

Safety Chains    

• 1/2" Grade 80 w/ Safety Latch Hook (2 ea)

Jack    

• Dual Two Speed Landing Gear- 50K lbs. Capacity (Bolted On)

Frame    

• 12" I-Beam, 22# up to 30'. 14" I Beam on 30'+ Long

Cross-Members    

• 6" I-Beam, 16" Centers

Floor    

• Treated Pine Floor

Ramps    

• 5’ Double Hinged Spring Assist Flip-Over Ramps, (STA Models Do Not Include Ramps)

Dovetail    

• 5' Cleated Dovetail (Standard on D5A Models)
• Straight Deck (available on 36' and 40' lengths)

Stake Pockets    

• Stake Pockets Along Both Sides, 24" O.C. (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    

• ST215/75 R-17.5 Load Range H (Dual)

Bolt Pattern    

• 8-Bolt

Wheels    

• 17.5" HC x 6.75", 8x275 MM BC Hub Pilot; Dual Wheel

Spare Mount    

• Top of Neck Spare Tire Mount

Spare Tire    

• Spare Tire & Wheel (ST215/75 R-17.5 LR-H)

Paint Type    

• Professional Finish w/ Primer Standard

Paint Color    

• Black

Rubrail    

• 3/8” Heavy Duty Rub Rail on Both Sides

Break-Away Kit    

• Complete Breakaway System w/ Zip™ Breakaway Cable and Charger

Mudflaps    

• Standard

Storage    

• Front Lockable Toolbox Uprights

Cargo Winch    

• Sliding Winch Track (standard on Trailer 28' or Longer )

Pipe Chain Spools    

• 1-1/4” Pipe Chain Spools Between Stake Pockets Pockets

Steps & Handles    

• (2) Retractable Side Bed Steps + Handles

Twist Guard™    

• Included on trailers 28' and Longer
• Options:
• Air Brake Assembly w/ABS on Front, Spring Brake Chambers & Auto Slacks
• Electric Over Hydraulic Brakes (Drum)
• Dual Electric Over Hydraulic Landing Gear by Stillwell™
• Low Profile Tool Box 12” x 18” x 36” (Side Mount)
• Removable Deck on the Neck- Bolt On (8' W x 6' L)
• 4" Sliding Winch (Each)
• 4" Weld-On Winch (Each)
• Sliding Winch Track (Per 6' Section), for trailers less than 33' long
• 4" x 30' Strap
• Extra 5/8" D-Rings