Best Kingpin For Gooseneck Trailer: 10 Adapters Compared

#1 · Best Overall

1. TOWGUARD 3-inch Raised Adapter

• Compatible with Vehicle Type: Truck

Best for: High-capacity raised-base towing.

Why it ranks #1: Its stated 38,000-pound GTW rating leads this group, and the reinforced ribs and 3-inch raised base distinguish its heavy-duty design.

A 3-inch raised base paired with a stated 38,000-pound gross trailer weight capacity defines the TOWGUARD adapter for buyers needing added height and a high listed rating. Its reinforced steel construction includes integrated gussets, which the listing says increase rigidity and help prevent breakage under heavy towing stress.

The raised base provides three inches of lift, which the listing says enhances trailer clearance and helps accommodate different towing scenarios. Integrated gussets reinforce the steel adapter, and the stated 38,000-pound GTW capacity gives buyers a defined load ceiling. The title specifies a 2-5/16-inch gooseneck ball connection and four washers. These features support a buyer comparing clearance and load needs, though the supplied facts do not provide a separate adjustable-height range.

Skip it if you need height adjustment rather than a 3-inch lift; the TOWGUARD listing gives no adjustable range for this raised base.

The TOWGUARD suits buyers seeking a 3-inch lift and a stated 38,000-pound GTW limit for a 2-5/16-inch ball setup. Its raised base is not listed as adjustable, so confirm that fixed lift works for your clearance needs.

Listed on Amazon as: Kingpin to Gooseneck Ball Adapter 3" Raised Reinforced Rib for 2-5/16'' Fifth Wheel Gooseneck Ball Hitch Adapter, Fit for Tractor, Load Capacity 38,000 lbs, Replace#2085295 with Four Washer

#2 · Best 30,000-Pound Option

2. springcraze SC31 Adapter

• Material: Alloy Steel
• Material Type: Alloy Steel
• Compatible with Vehicle Type: Tractor, Trailer, RV

Best for: Rated heavy-duty trailer towing.

Why it ranks #2: This forged-alloy adapter specifies a 30,000-pound GVW capacity, a 2-inch kingpin, a 2-5/16-inch ball, and four anti-tilt washers.

A stated 30,000-pound gross vehicle weight capacity makes the springcraze SC31 relevant to buyers evaluating a heavy-duty kingpin-to-gooseneck conversion. The forged alloy-steel body connects a 2-inch kingpin to a 2-5/16-inch ball, while powder coating and phosphate treatment address corrosion exposure.

The SC31 combines a 30,000-pound GVW rating with forged alloy steel, giving buyers both a stated load limit and a specified construction material. Its 2-inch kingpin and 2-5/16-inch ball identify the connection sizes for tractor, trailer, or RV use. The powder and phosphate coatings are listed to resist salt spray, rain, and temperature shock, supporting outdoor towing conditions. Four anti-tilt PU washers are included as an accessory intended to improve stability.

Skip it if you need a capacity above 30,000 pounds or a height-adjustable adapter; the SC31 listing specifies neither higher rating nor adjustment.

Choose the SC31 if your tractor, trailer, RV, and load fall within its 30,000-pound rating and its 2-inch-to-2-5/16-inch connection sizes. Its corrosion coatings and anti-tilt washers add relevant details, but it is not height-adjustable.

Listed on Amazon as: Kingpin to Gooseneck Ball Adapter – 2-5/16'' Fifth Wheel Gooseneck Ball Hitch Adapter, Fit for Tractor or Trailer Fifth Wheels, Load Capacity 30,000 lbs,Replace #2085295 with 4 PU Washer

#3 · Best Chrome Finish

3. Nilight 93211A Adapter

• Material: Alloy Steel
• Material Type: Alloy Steel
• Compatible with Vehicle Type: Tractor

Best for: Chrome-finished 30,000-pound towing.

Why it ranks #3: It states a 30,000-pound maximum load and combines forged-steel, one-piece construction with a chrome-plated finish.

A chrome-plated finish distinguishes the Nilight adapter, with the listing linking that surface treatment to corrosion resistance, reduced friction, and increased hardness. It also uses forged steel with one-piece machining and states a 30,000-pound maximum load, giving buyers finish, construction, and capacity details together.

The chrome-plated surface is specified to resist corrosion and reduce friction, making finish a relevant consideration for exposed towing equipment. Forged steel and one-piece machining are listed for strength and durability, while the stated 30,000-pound maximum load defines a capacity boundary. The title specifies a 2-5/16-inch gooseneck ball, and compatibility lists tractors. The included-components field identifies one adapter, so buyers can account for the supplied component when planning their setup.

Skip it if you need a rated capacity above 30,000 pounds or listed RV compatibility; Nilight specifies a 30,000-pound maximum and tractor compatibility.

The Nilight suits tractor owners seeking a chrome-plated adapter with a stated 30,000-pound maximum load and 2-5/16-inch ball connection. Keep the capacity and listed tractor compatibility in view when deciding whether it matches your towing setup.

Listed on Amazon as: Nilight Fifth Wheel to Gooseneck Ball Adapter, Kingpin to 2-5/16 Inch Gooseneck Ball Towing Receiver Adapter for Trailer Tractor w/ 30,000lbs Max Load, Silver

#4 · Best 1.5-Inch Lift

4. springcraze SC32 Raised Adapter

• Material: Alloy Steel
• Material Type: Alloy Steel
• Compatible with Vehicle Type: Truck, Tractor

Best for: Compact 1.5-inch lift setups.

Why it ranks #4: The 30,000-pound GVW adapter specifies a 1.5-inch raised base, forged alloy steel, a 2-inch kingpin, and a 2-5/16-inch ball.

A 1.5-inch raised base gives the springcraze SC32 a defined lift for buyers who need added ground clearance without the listed 3-inch rise of some adapters. It connects a 2-inch kingpin to a 2-5/16-inch gooseneck ball and carries a stated 30,000-pound GVW capacity.

The SC32 pairs its 1.5-inch lift base, which is stated to increase ground clearance, with a 30,000-pound GVW capacity. Forged alloy steel specifies its construction, while the 2-inch kingpin and 2-5/16-inch ball identify the connection sizes. Powder coating and phosphate treatment are listed to resist salt spray, rain, and temperature shock, making the finish relevant for varied outdoor conditions. The listing names trucks and tractors as compatible vehicle types.

Skip it if you need more than a 1.5-inch lift; the SC32 lists that fixed raised base rather than a height-adjustable range.

Choose the SC32 if a 1.5-inch lift, 30,000-pound GVW rating, and specified kingpin and ball sizes suit your truck or tractor setup. The fixed lift is the key boundary when determining whether it provides enough clearance.

Listed on Amazon as: Kingpin to Gooseneck Ball Adapter 1.5" Raised Reinforced Rib for 2-5/16'' Fifth Wheel Gooseneck Ball Hitch Adapter, Fit for Tractor, Load Capacity 30,000 lbs, Replace#2085295 with Four Washer

#5

5. Misakomo Ball Adapter

• Material: Alloy Steel
• Material Type: Alloy Steel
• Compatible with Vehicle Type: Truck, Tractor, Trailer

Best for: Forged-steel adapter buyers.

Why it ranks #5: Its one-piece alloy-steel construction connects a 2-inch kingpin to a 2-5/16-inch gooseneck ball, though no capacity is supplied.

One-piece machined forged-steel construction is the Misakomo adapter’s defining feature, giving buyers a solid connection for converting a fifth-wheel kingpin to a gooseneck ball. Its 2-inch kingpin and 2-5/16-inch ball specifications identify the connection sizes, while a protective coating addresses exposure to weather and rust.

The adapter pairs alloy-steel construction with one-piece machining, which the listing says distributes force evenly and resists breakage. That construction is relevant to buyers who want a single adapter between a fifth-wheel kingpin and a gooseneck ball rather than a height-adjustable coupler. The listed 2-inch kingpin and 2-5/16-inch ball dimensions define its connection points; the protective coating is intended to help resist rust during outdoor use. Vehicle compatibility lists trucks, tractors, and trailers.

Skip it if you need a stated load rating or adjustable height; this listing supplies neither specification for the Misakomo adapter.

Choose this Misakomo adapter if your setup uses a 2-inch kingpin and 2-5/16-inch gooseneck ball, and you value forged, coated steel. Its listing does not establish a capacity or height-adjustment range, so those needs remain boundaries.

Listed on Amazon as: Fifth Wheel to Gooseneck Adapter, Kingpin to Gooseneck Ball Hitch Adapter

#6

6. Lamerto C5G1216 Adapter

• Material: Stainless Steel
• Material Type: Stainless Steel
• Compatible with Vehicle Type: Car, Trailer, Truck

Best for: Height-adjustable cushioned towing.

Why it ranks #6: This cushioned fifth-wheel adapter adjusts from 12 to 16 inches and includes a safety chain, with a stated 20,000-pound GTW.

A 12-to-16-inch adjustable height range gives the Lamerto C5G1216 a practical fit-tuning feature for fifth-wheel kingpin boxes converted to gooseneck towing. Its sliding collar and set screws lock a selected height, while built-in cushioning is intended to reduce shock and vibration transmitted during towing.

The adjustable body moves from 12 to 16 inches between the gooseneck ball top and kingpin plate, allowing height selection for the trailer setup. A sliding collar with set screws locks that position, while the built-in cushioning structure is intended to reduce towing shock and vibration and protect the hitch and kingpin. The listing also specifies a heavy-duty safety chain and a 20,000-pound gross trailer weight capacity. Verified facts state installation requires no drilling or welding.

Skip it if you need capacity above 20,000 pounds or a fixed-height adapter; the Lamerto C5G1216 is adjustable but has that stated limit.

The Lamerto suits RV and trailer owners who need height adjustment, cushioning, and a safety chain in a gooseneck conversion. Its 20,000-pound GTW rating is a firm boundary, and the 12-to-16-inch range should suit the required setup.

Listed on Amazon as: C5G1216 12"-16" Adjustable Height Cushioned 5th Wheel to Gooseneck Adapter w/Safety Chain for Camper/RV/Trailer's Kingpin Box, Fifth Wheel to Gooseneck Coupler Towing Adapter, GTW 20000

#7

7. Weonefit C5G1216 Adapter

• Material: Alloy Steel, Metal

Best for: Adjustable-height RV conversion.

Why it ranks #7: It offers 12-to-16-inch adjustment, cushioning, and a safety chain, with stated 20,000-pound towing and 4,000-pound pin-weight capacities.

The Weonefit C5G1216 adjusts from 12 to 16 inches, letting buyers set adapter height within that range for a camper, RV, or trailer kingpin box. Its sliding collar and set screws secure the selected position, and the cushioned adapter is rated for 20,000 pounds of towing capacity.

The 12-to-16-inch height range and sliding collar with set screws let owners adjust and lock the adapter position for their kingpin-box setup. Its stated 20,000-pound towing capacity and 4,000-pound pin-weight capacity provide separate load figures for evaluating use. The listing identifies conversion to a gooseneck hitch and warns against trucks with beds shorter than six feet or cushioned-style kingpin boxes. Those explicit fit boundaries matter before installation.

Skip it if you have a truck bed shorter than six feet or a cushioned kingpin box; Weonefit explicitly advises against those setups.

This Weonefit adapter fits buyers needing adjustable height and stated towing and pin-weight limits for an RV or trailer conversion. Its six-foot bed and kingpin-box cautions are important boundaries, so rule out those setups before choosing it.

Listed on Amazon as: C5G1216 12"-16" Adjustable Height Cushioned 5th Wheel to Gooseneck Adapter, for Camper/RV/Trailer's Kingpin Box, Towing Capacity 20000 Lbs, with Safty Chain

#8

8. MARKETTY Ball Adapter

• Material: Alloy Steel
• Material Type: Alloy Steel
• Compatible with Vehicle Type: Trailer, Truck

Best for: Basic 2-5/16-inch ball conversion.

Why it ranks #8: This alloy-steel adapter is listed for a fifth-wheel kingpin and 2-5/16-inch gooseneck ball, but the supplied data gives no capacity.

The MARKETTY adapter’s stated 2-5/16-inch gooseneck-ball connection gives fifth-wheel owners a clear connection-size reference for a kingpin-to-ball conversion. Its title identifies the adapter’s purpose, and the specifications list alloy steel, making this a straightforward option to assess when those are the details available.

The product title describes a fifth-wheel kingpin adapter for a 2-5/16-inch gooseneck ball, identifying the conversion use and ball size. Its alloy-steel specification gives buyers a material reference, while truck and trailer compatibility indicates the listed vehicle categories. The supplied details do not state an installation process, height range, or towing capacity, so the listing supports a basic connection and material check rather than detailed load planning or setup comparison.

Skip it if you require a published load rating or setup instructions; the MARKETTY details supplied here do not include either.

This MARKETTY adapter may suit buyers whose main requirements are a kingpin-to-2-5/16-inch-ball conversion and alloy-steel construction. Treat the sparse listing as a boundary: it does not provide capacity, height adjustment, or installation guidance.

Listed on Amazon as: Gooseneck Ball Adapter – Fifth Wheel Kingpin to 2-5/16 Inch Gooseneck Ball Towing Receiver Adapter -Black

#9

9. Hezaosth Pop-Up Adapter

• Material: High Strength Carbon Steel
• Material Type: High Strength Carbon Steel
• Compatible with Vehicle Type: Tractor, Truck

Best for: Quick-change trailer setups.

Why it ranks #9: Its pop-up design describes switching a gooseneck trailer coupler toward a fifth-wheel pin, the reverse of the primary conversion sought.

A sliding coupler and main-pin adapter make the Hezaosth useful for buyers who switch between gooseneck and fifth-wheel trailer connections. Its 4-inch round coupler fits a standard gooseneck-style trailer coupler tube, and the listed procedure slides components into the sleeve and secures them for conversion.

The extra-heavy-duty wall tube coupler slides down from the outer clamping sleeve, then the SAE-standard main-pin adapter slides into the sleeve and is secured. That stated sequence gives buyers a defined conversion workflow rather than requiring a permanently fixed connection. The listing identifies a 4-inch round coupler and compatibility with semi-trailer tractors or pickup trucks with fifth wheels. High-strength carbon steel and a rust-proof finish are also specified, supporting use where corrosion resistance matters.

Skip it if you need a stated load rating or an adjustable-height range; the Hezaosth listing provides neither specification.

This suits buyers who need to change trailer connection types using a sliding sleeve and main-pin adapter, with a listed 4-inch round coupler. Check that your workflow matches its tube-and-sleeve arrangement; no capacity figure is provided.

Listed on Amazon as: Gooseneck to 5th Wheel Adapter/Pop-Up Gooseneck Trailer Hitch King Pin

#10

10. Wallace Forge Kingpin Adapter

• Material: Alloy Steel
• Material Type: Alloy Steel
• Compatible with Vehicle Type: Trailer

Best for: U.S.-made adapter shoppers.

Why it ranks #10: The listing identifies a gooseneck-to-kingpin adapter, which does not match the sought kingpin-to-gooseneck conversion direction.

Made in the U.S.A. is the clearest differentiator of this Wallace Forge gooseneck-to-kingpin adapter, giving buyers a specific domestic-origin detail when selecting a trailer connection component. Its listed alloy-steel material and 32-pound item weight offer two concrete product facts, but the supplied specifications do not describe dimensions or capacity.

The Wallace Forge listing identifies the adapter as alloy steel and gives an item weight of 32 pounds. Those facts help buyers understand the material and that this is a substantial component to handle during installation or storage, although the listing does not explain an installation method. Its title identifies a gooseneck-to-kingpin conversion purpose, and compatibility is listed for trailers. No connection dimensions or towing rating are supplied, limiting how much setup planning the listing supports.

Skip it if you need published dimensions, capacity, or an installation procedure; the supplied Wallace Forge details do not specify them.

Consider this Wallace Forge adapter if U.S. origin and alloy-steel construction matter for a trailer conversion. The 32-pound listed weight is relevant for handling, but buyers needing confirmed dimensions or capacity will find those details outside the supplied listing.

Listed on Amazon as: Wallace Forge Gooseneck to Kingpin Adapter – Made in U.S.A