18K Gooseneck Trailer for Sale: Weight, Price & Specs

Key Takeaways

• An 18K gooseneck trailer pairs an 18,000 lb GVWR with a gooseneck hitch, giving contractors and hot shot haulers enough capacity for skid steers, mini excavators, and oversized loads without moving up to a dual-wheel class.

• Buyers often default to the lightest or cheapest option and end up with a trailer that flexes under real working loads or runs short on deck length when hauling more than one piece of equipment.

• The two strongest 18K builds in stock right now at Poplar Bluff Trailer are the Diamond C FMAX208 28' x 102" Engineered Beam Gooseneck and the Maxx-D GSB10230 30' x 102" Gooseneck Flatbed, each suited to a different workload.

• The 2025 Diamond C FMAX208 carries a 12,040 lb payload on a 28-foot deck at $17,998 cash (typical retail $22,995), while the 2026 Maxx-D GSB10230 adds a 25' flat plus 5' dovetail layout at $13,500 cash (typical retail $15,995).

• Poplar Bluff Trailer stocks both the Diamond C FMAX208 and the Maxx-D GSB10230 with daily inventory updates, online financing, and a 1 to 5 day purchase cycle for buyers across Missouri, Illinois, and the Mid-South.

Looking for the Best 18K Gooseneck Trailer? Start Here 

The two 18K gooseneck trailers worth comparing right now at Poplar Bluff Trailer are the Diamond C FMAX208 28' x 102" Engineered Beam Gooseneck and the Maxx-D GSB10230 30' x 102" Gooseneck Flatbed. The Diamond C runs 28 feet with a low-profile engineered beam frame and MAX ramps, while the Maxx-D stretches to a 30-foot deck (25' flat + 5' dovetail) on a 12" I-beam frame for a longer working platform at a lower price. Which one fits depends on whether you prioritize a tighter, ramp-assisted load profile or a longer deck for multi-piece hauls.

The 18K class is the sweet spot for hot shot haulers, contractors, and equipment operators who need serious capacity in a tandem-axle, single-wheel package without stepping into the higher-priced 24K-plus dual-wheel category. Below, each model is broken down by specs and price so you can match the right trailer to your actual workload.

Which 18K Gooseneck Trailers Are Worth Buying Right Now?

Here's a breakdown of the top 18K gooseneck trailers currently available at Poplar Bluff Trailer, with real specs so you can make a direct comparison.

Diamond C FMAX208 28' x 102" 18K Engineered Beam Gooseneck

The Diamond C FMAX208 pairs heavy-duty capacity with a low-profile design and Diamond C's signature MAX ramps for safe, ramp-assisted loading.  

The Diamond C FMAX208 is one of the most capable 18K builds you'll find. It uses an engineered beam frame, which means the structural integrity is optimized for load distribution rather than just raw steel thickness. This translates to a lighter trailer that still handles serious loads without flexing under pressure.

The 2025 model currently in stock at Poplar Bluff Trailer stretches 28 feet long by 102 inches (8 ft 6 in) wide, and delivers a payload capacity of 12,040 lbs against its 18,000 lb GVWR. It loads via MAX ramps, making equipment like skid steers and mini excavators straightforward to get on and off the deck.

Key Specs & Features

• GVWR: 18,000 lbs

• Payload Capacity: 12,040 lbs

• Length: 28 ft

• Width: 102 in (8 ft 6 in)

• Frame: Engineered beam construction

• Loading: Max ramps

• Condition: New (2025)

• Neck: 12" Engineered Neck

• Floor: 2" Treated Floor

• Dovetail/Ramps: 60" Self Cleaning Dove W/ Max Ramps

• Coupler: 25K (2-5/16" Ball) - Round Coupler

• Jacks: Dual 12K Drop-Leg Jacks

Price

The 2025 Diamond C FMAX208 is listed at $17,998 cash at Poplar Bluff Trailer, but it typically retails for $22,995. 

Maxx-D Trailers GSB10230 30' x 102" 18K Gooseneck Flatbed

The 2026 Maxx-D GSB10230 features a standard height I-beam neck that includes a front toolbox, winch plate, and spare tire mount. 

The 2026 Maxx-D GSB10230 measures 30 feet long and 102 inches wide, configured as a 25' flat deck plus 5' dovetail with included MAXX-D ramps for easy equipment loading. With an 18,000 lb GVWR, it's built for hot shot haulers, contractors, and equipment operators who need serious capacity in a tandem-axle single-wheel package without stepping into the higher-priced 24K-plus dual-wheel class. 

Key Specs & Features

• GVWR: 18,000 lbs

• Deck Length: 30 ft (25' flat + 5' dovetail)

• Width: 102" (8'6")

• Frame: 12" x 14lb I-Beam with Torque Tube

• Neck: Standard Height I-Beam with Front Toolbox, Winch Plate, and Spare Mount

• Coupler: 2 5/16" 30K Round GN Coupler

• Jacks: 2 – 10K Drop-Leg Jacks

• Axles: 2 – 8K Electric Brake Axles

• Suspension: Slipper Spring

• Tires: (5) ST215/75R17.5 H (Singles)

• Floor: 2x8 Treated Wood

• Loading: MAXX-D Out Ramps (5' Dovetail)

• Color: Maxx-D Gray Metallic & Primer

• Condition: New

Price

The Maxx-D GSB10230 30' x 102" 18K Gooseneck Flatbed is available at Poplar Bluff Trailer at a cash price of $13,500, but typically retails for $15,995. 

Best 18K Gooseneck Trailers: Summary Table

Match the Right 18K Gooseneck to Your Workload at Poplar Bluff Trailer

Poplar Bluff Trailer serves contractors, haulers, and heavy-duty users across the Mid-South with real-time inventory accuracy and competitive pricing. 

For most professional haulers, the choice comes down to deck length and loading style. The Diamond C FMAX208 wins on engineered beam efficiency and ramp-assisted loading at 28 feet, while the Maxx-D GSB10230 adds five feet of working deck and a flat-plus-dovetail layout at a lower cash price.

Visit Poplar Bluff Trailer to see the latest 18K gooseneck inventory and lock in current cash pricing.

Browse our inventory for the right 18K gooseneck trailer.

Frequently Asked Questions (FAQs)

What is the payload capacity of an 18K gooseneck trailer?

Payload capacity on an 18K gooseneck trailer typically falls between 11,980 lbs and 12,880 lbs, depending on the model and the trailer's weight. The 18,000 lb GVWR is the total system limit, so the heavier the trailer's frame and components, the less usable payload you get.

What is the difference between an 18K and a 21K gooseneck trailer?

The core difference is Gross Vehicle Weight Rating. An 18K trailer is rated to 18,000 lbs total, while a 21K trailer is rated to 21,000 lbs. That extra 3,000 lbs of GVWR typically translates to a meaningfully higher payload, as seen with the Load Trail GN8324, which hits a 21,000 lb GVWR and 15,310 lbs of payload using three 7,000 lb torsion axles instead of two.

How long are most 18K gooseneck trailers?

Most 18K gooseneck trailers range from 24 to 28 feet in deck length, with 24-foot models being the most common configuration. The Diamond C FMAX208 stands out in this class with its 28-foot deck, giving you an extra 4 feet of loading room compared to 24-foot competitors. That additional length can allow you to haul a second piece of smaller equipment alongside a primary load, improving efficiency on multi-stop job days.

Are 18K gooseneck trailers good for hauling equipment like skid steers?

An 18K gooseneck trailer is an excellent match for hauling skid steers. Most compact and mid-size skid steers weigh between 7,500 and 10,000 lbs operating weight, which falls well within the 11,980 to 12,880 lb payload range of an 18K gooseneck. The wide 102" deck also gives you room to clear typical skid steer track widths without crowding the side rails.

Does Poplar Bluff Trailer offer financing options?

Yes, at Poplar Bluff Trailer, we offer flexible financing with an easy credit application process, no early payoff penalty available through most lenders, and no money down with approved credit. This makes it especially convenient for contractors and small business owners who want to align trailer payments with incoming job revenue rather than paying a lump sum upfront. 

*Note: Prices shown are estimates based on current market conditions at the time of writing and may change without notice. Confirm trailer availability, specifications, and final pricing directly with Poplar Bluff Trailer.