Trailers / Flatbed Goosenecks & Deck-Overs / Flatbed Goosenecks


Super Duty Tandem Dual Gooseneck

Haul big and heavy with the 3XGN Super Duty Tandem Dual Gooseneck Trailer, a super heavy-duty gooseneck trailer that’s packing 15,000-lb axles to transport the heaviest equipment—even in difficult and rugged conditions. That’s why this trailer is designed with a 30,000 lbs G.V.W.R., giving construction contractors, industrial operations, and heavy equipment dealers the strength and dependability needed to handle their day-to-day grind. From top to bottom, it’s built to work hard just like you do.


Model Pull Type GVWR Empty Weight Cargo Capacity Bed Length Bed Width Tongue Length
3XGN-40 Gooseneck 30000 lbs 10370 lbs 19630 lbs 40' 102" 97"
3XGN-36 Gooseneck 30000 lbs 9290 lbs 20710 lbs 36' 102" 97"
3XGN-35+5 Gooseneck 30000 lbs 10200 lbs 19800 lbs 40' 102" 97"
3XGN-30+5 Gooseneck 30000 lbs 9800 lbs 20200 lbs 35' 102" 97"
3XGN-28+5 Gooseneck 30000 lbs 9140 lbs 20860 lbs 33' 102" 97"
3XGN-25+5 Gooseneck 30000 lbs 8440 lbs 21560 lbs 30' 102" 97"
3XGN-20+5 Gooseneck 30000 lbs 6980 lbs 23020 lbs 25' 102" 97"

Standard Feature Available Options
Axles 2 - 15,000# Dual Wheel w/ Oil Bath & Valcrum Caps
Brakes Forward Self-Adjusting Electric Brakes on Both Axles Air Brake Assembly w/ABS on Front, Spring Brake Chambers & Auto Slacks Electric Over Hydraulic Brakes (Drum)
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) Dual Electric Over Hydraulic Landing Gear by Stillwell™
Frame 12" I-Beam, 22# up to 30'. 14" I Beam on 30'+ Long
Cross-Members 6" I-Beam, 16" Centers
Floor Treated Pine or Douglas Fir
Ramps 5’ Double Hinged Spring Assist Flip-Over Ramps, (Straight Deck Models do not Include Ramps)
Dovetail 5' Cleated Dovetail (standard on +5 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 Low Profile Tool Box 12” x 18” x 36” (Side Mount) Removable Deck on the Neck- Bolt On (8' W x 6' L)
Cargo Winch Sliding Winch Track (standard on Trailer 28' or Longer ) 4" Sliding Winch (Each) 4" Weld-On Winch (Each) Sliding Winch Track (Per 6' Section), for trailers less than 33' long
Pipe Chain Spools 1-1/4” Pipe Chain Spools Between Stake Pockets Pockets 4" x 30' Strap Extra 5/8" D-Rings
Steps & Handles (2) Retractable Side Bed Steps + Handles
Twist Guard™ Included on trailers 28' and Longer

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