TANDEM - DUAL WHEEL GOOSENECK

Model: FMAX216

30,000 – 40,000 GVWR and up to 1,800 pounds lighter curb weight than the competition. Need we say more? #doWORK

Build Your Own Trailer

Engineered to Deliver

We set out to design, engineer, and build our own I-beams. Now we have an almost infinite control over the shape of the beams. We’re able to optimize the performance of the steel by putting it to work where we need it most. No dead weight. No added reinforcements needed. Our beams are the tallest and strongest in gooseneck trailers, with the best strength-to-weight ratios on the road.

Fleetneck Logo

FMAX216

Diamond C FMAX216 Fleetneck Engineered Beam Gooseneck Trailer

Standard Features

30,000 lb GVWR. Choose from 20′ – 44′ length. Features a 16″ or 18″ Low Profile Engineered Beam Frame and 2 – 16,000 lb Heavy Duty Dexter Axles.

Diamond C FMAX215 Fleetneck Engineered Beam Gooseneck Trailer

Upgrades

Popular upgrades include: 40k GVWR Package, Blackwood Lumber, Sway Control, and our 102″ Underslung Dunnage Rack. Choose between Max Ramps, 12′ Hydraulic Dovetail, or Straight Deck with Ramps.

FMAX Overview Diagram
  1. The Neck – Curves distribute force throughout the neck so there is no concentration of stress in corners like traditional goosenecks.
  2. The Deck – It’s low profile for easy access. Tire-covers are HD 3/16” diamond plate. Boards are capped at each end of the deck for added durability.
  3. The Camber – The deck and frame have a slight camber when not loaded. When loaded, it flexes as necessary to level but never sags like traditional goosenecks.
  4. The Lace-rail – Channel-Iron for durability and versatility with no notches or cut-outs for maximum strength. Includes stake-pockets and pipe-spools.
  5. The Box – It’s big and roomy. The lid is curved for added rigidity and gas spring assisted for easy operation.
  6. The Steps – The retractable front deck steps solve the common issue of traditional front deck steps being bent in low clearance situations. The mid-deck side turn signal step makes for easy access when equipment is loaded.
  7. The I-Beams – We engineer the beams, optimize them, and build them for each trailer configuration just like semi trailer manufacturers have been for decades. Our I-beam frames are taller, stronger, and lighter than your neighbor’s. 14-16” tall. Standard steel bends at 36 ksi. Our beams are built using steel rated at 50 ksi minimum.

Fleetneck Engineered Beam

Thank you for considering a Fleetneck. We respect the money that you’ll spend on a gooseneck trailer and yearn to make sure that our trailer is one that takes good care of you for years to come.

12' Hydraulic Dovetail

12’ long with easy to climb, 12.5 degree approach angle. Blackwood rubber-infused runners for traction. Automatic latch for easy operation. Includes wireless remote control.

Watch Video
Sheffield Financial Logo

Finance Your Trailer

Finance a brand new FMAX216 with interest rates as low as 6.99% through our financing partner Sheffield Financial.

Diamond C Warranty Logo

Quality You Can Trust

Every Diamond C Trailer comes with an industry leading 3 year warranty. We are proud of our trailers and stand by them. Find out more here.

Fleetneck Style

Choose Tail Style:

Max Ramps

44” wide ramps for MAX versatility. 50 ksi steel ramp frames x 4 frames per ramp for MAX strength. HD Spring loaded for easy lifting from deck and from ground. For safe, stable loading.

Watch Video
Close
Reset
12' Hydraulic Dovetail

12’ long with easy to climb, 12.5 degree approach angle. Blackwood rubber-infused runners for traction. Automatic latch for easy operation. Includes wireless remote control.

Watch Video
Close
Reset
Straight Deck

Includes 96" Rear Slide-In Ramps (3" Channel). Single piece bumper with light protection.

Close

Length/Width

GVWR

Reset

Includes 40K Adjustable Coupler and Frame/Neck Reinforcements

Close

Ramps

Dove

12' Fully Automatic

12.5 degree load angle with Blackwood infused lumber included.

Close
Reset

Jack

2 - 12,000 lb Drop-Leg Jacks

Two heavy duty, square, drop-leg trailer jacks with a side-wind handles. Constructed of engineered alloys for enhanced strength, stability and side-load capability.

Close
Reset
Reset
2 - 10,000 lb Hydraulic Jacks

A must have for anyone who hooks and unhooks their trailer often! Fast, convenient, and strong.

Close
Reset

A must have for anyone who hooks and unhooks their trailer often! Fast, convenient, and strong.

Close
Reset

Battery/Charger

Optional w/ Hydraulic Dove or Jack options

Paint Type

DM Difference Maker Coating System Logo

We partnered with Sherwin Williams to develop our own custom designed powder coat finishing system that provides long-lasting, rugged, and beautiful trailer finishes.

Close

Paint Color

Reset
Reset
Reset
Reset
Reset

Axles

Brakes

Reset

Frame

16Close
18Close

Cross-Members

Reset

Floor

2

Installed after painting to ensure no framing is left unfinished. Floor is secured with 5/16" screws and a bolt-on board cap.

Close
Reset
Reset
Blackwood Lumber Outer

Blackwood is rubber infused, pressure treated pine flooring that provides enhanced traction in the wettest conditions, outstanding impact resistance in the toughest environments, and increased flooring lifespan from its no fade, no crack technology.

Watch Video
Close
Reset
Blackwood Lumber Full

Blackwood is rubber infused, pressure treated pine flooring that provides enhanced traction in the wettest conditions, outstanding impact resistance in the toughest environments, and increased flooring lifespan from its no fade, no crack technology.

Watch Video
Close
Reset

(On Every Cross-Member)

Close

Neck

Deck on the Neck

7' x 8' Weld-on/Bolt-on Deck with Clearance Lights

Close

(In Top of Neck. Not Applicable w/ Chain Tray)

Close

Coupler

30,000 lb Bulldog BX1

Round Adjustable

Close
Reset

Heavy-duty, high-strength, steel construction with an easy to use vertical adjustment design for a quick and secure connection on the road.

Close

(Round Adjustable)

Close

Storage

(In Top of Neck)

Close

Lace Rail

Tie Downs

Stake Pockets

Slide Track & Ratchets

Reset
Add Slide Track

(Includes 1 welded ratchet between wheels)

Close

Steps

Wiring

Lights

All LED Lights

Waterproof, all rubber-mounted, impact resistant, wired with a heavy duty wiring harness.

Close

Sway Control

Tire Size

Wheel Color

Spare Mount

Spare Wheel Color

Reset

Spare Tire Size

Reset

Suspension

Reset
Air Ride Suspension w/o Lift AxleClose
Reset
Air Ride Suspension w/Lift AxleClose

Spread Axle

Reset

(only on 35' length and higher)

Close
Reset

(only on 35' length and higher)

Close