The HDT-GN 210 is the dual-axle heavyweight of Diamond C’s tilt gooseneck lineup. The "210" designation identifies its Dual 10,000 lb Axles, which push the trailer into a 23,000 lb GVWR class. This model is engineered for those who need to haul maximum weight on only two axles, providing the heavy-duty payload of a dually with the maneuverability and lower maintenance of a single-wheel setup.

KEY STANDARD FEATURES
Dual 10,000 lb Torsion Axles The core of the 210 package is the pair of 10k Lippert Torsion axles. These massive axles provide an incredibly smooth, independent suspension for each wheel.

• The Benefit: It offers a heavy-duty 20k+ GVWR without the "scrubbing" and extra tire maintenance of a triple-axle trailer.

17.5" 18-Ply Commercial Tires To support the 10,000 lb per-axle load, this trailer comes standard with 215/75R17.5 18-ply radial tires. These are commercial-grade, all-steel tires designed for high-heat, high-mileage, and heavy vertical loads, far outlasting standard 16" tires.

Engineered Beam Frame Diamond C uses its patented Engineered Beam technology, where the frame is custom-fabricated in-house from Grade 80 steel. By deepening the beam at the center and tapering it toward the ends, they create a frame that is stronger yet lighter than a traditional 12" I-beam.

Hydraulically Dampened Gravity Tilt This system uses a heavy-duty cushion cylinder with an adjustable speed-control valve. You simply unlatch the deck and drive your equipment on; the weight of the machine controls the descent, ensuring a smooth, safe transition without the need for electric pumps or batteries.

12" Curved Gooseneck (Fleetneck 2.0) Standard on the 2026 model is the signature curved neck. By using a single piece of fabricated steel and eliminating 90-degree welds, Diamond C removes the most common stress-fracture points found in traditional goosenecks.

Massive Diamond Plate Neck Box Built into the neck is a full-width storage box with a gas-shock assisted lid. It is large enough to house multiple sets of chains, binders, and tools, keeping your main deck clear for your equipment.

New Warranty 2.0 (2026 Standard) This trailer is backed by Diamond C’s updated protection suite: a 6-year structural warranty, a 3-year paint warranty, and a 2-year comprehensive warranty. Because it uses torsion axles, you also receive an industry-leading 11-year axle warranty.

PERFECT FOR
The HDT-GN 210 is the premier choice for heavy equipment owner-operators and hotshot haulers. It is specifically designed to carry large, heavy equipment (like a Cat 299D3 or Deere 333G) that would overtax an 8k axle trailer. It’s the perfect solution for those who want the highest possible payload in a tandem-axle configuration for easier maneuvering in tight job sites.

Why choose the HDT-GN 210 over the competition?

1. THE CAPACITY: Dually Power, Single-Wheel Simplicity

• The 210 package gives you 20,000 lbs+ of GVWR on just four tires. You get the payload needed for the heaviest skid steers and compact track loaders without the extra toll costs and tire maintenance of a dually.

2. THE TIRES: 18-Ply Commercial Strength

• Standard 14-ply tires can’t handle the weight of serious machinery over long distances. Our 17.5" 18-ply tires are designed for the long haul, resisting blowouts and flat spots even under maximum load.

3. THE FRAME: Engineered Beam Technology

• Don't pull "dead weight." Our Engineered Beam frame is custom-profiled to put the strength exactly where the weight of your machine sits. It’s a lighter, stronger trailer that gives you more legal payload for your business.

4. THE TILT: Simple, "Set-It-and-Forget-It" Loading

• No ramps to lift, no batteries to charge. The hydraulically dampened tilt uses physics to do the heavy lifting. Just drive on, and the trailer levels out automatically.