Best Goose Neck For 5Th Wheel: Adapters Compared

#1 · Best Overall

1. Lamerto C5G1216 Adapter

• Weight: 27.8 kg
• Material: Stainless Steel
• Compatible with Vehicle Type: Car, Trailer, Truck

Best for: Cushioned kingpin conversion.

Why it ranks #1: This kingpin-mounted adapter combines 12–16-inch adjustment, cushioning, a safety chain, and a stated 20,000-pound gross trailer weight rating.

A sliding collar with set screws lets this Lamerto adapter adjust from 12 to 16 inches, giving fifth-wheel owners a way to tune connection height for a trailer setup. Its built-in cushioning is intended to reduce towing shock and vibration, while the included safety chain adds a specified safety component.

The 12-to-16-inch height range and collar-and-set-screw adjustment provide a way to lock in a chosen height at the kingpin connection. Lamerto says the cushioned structure reduces shock and vibration, which can help protect the trailer kingpin and gooseneck hitch during towing. The adapter mounts directly to the kingpin, and the supplied facts say conversion requires no drilling or welding. It is listed for most camper, RV, and trailer kingpin boxes, with a heavy-duty safety chain included.

Skip it if you need a connection height outside the 12-to-16-inch adjustment range; this model does not cover those heights.

This Lamerto suits owners converting a camper, RV, or trailer kingpin box who want adjustable height, cushioning, and a safety chain. Its usable height range is 12 to 16 inches, and the listed fit is for most kingpin boxes.

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

#2 · Best Pin Capacity

2. LKOBERTF C5G1216 Adapter

• Weight: 44 lb
• Material: Iron
• Compatible with Vehicle Type: RV

Best for: Cushioned adjustable RV conversion.

Why it ranks #2: Its stated 20,000-pound towing and 4,000-pound pin capacities accompany adjustable 12–16-inch height and 360-degree polyurethane cushioning.

Its internal polyurethane cushioning acts as a 360-degree shock absorber, aiming to reduce bounce, vibration, and trailer-frame stress during travel. The LKOBERTF adapter also adjusts from 12 to 16 inches and is rated for 20,000 pounds towing with 4,000 pounds of vertical pin weight.

The 360-degree polyurethane cushioning is intended to manage vibration and frame stress, while the 12-to-16-inch height range lets owners tune the kingpin-to-gooseneck connection for a particular RV setup. Heavy-duty iron construction accompanies stated limits of 20,000 pounds towing and 4,000 pounds vertical pin weight. Those figures give buyers concrete boundaries when matching a trailer. The adapter converts an RV's kingpin box to a gooseneck connection, so the listed height and load limits should guide selection.

Skip it if you need a towing capacity above 20,000 pounds; the NUOVEPE Gooseneck Hitch Plate is rated to 30,000 pounds.

Choose the LKOBERTF for an RV kingpin-box conversion when adjustable height and 360-degree cushioning are priorities. Keep the trailer within its 20,000-pound towing and 4,000-pound vertical pin weight ratings, and use its 12-to-16-inch range as the fit boundary.

Listed on Amazon as: C5G1216 12"-16" Adjustable Height Cushioned 5th Wheel to Gooseneck Adapter, GTW 20000 lb Fifth Wheel to Gooseneck Coupler Towing Adapter with Cushioning for Camper RV Trailer Kingpin Box

#3 · Best Safety Kit

3. GELUOXI C5G1216 Adapter

• Weight: 27.8 kg
• Material: Alloy Steel
• Compatible with Vehicle Type: Trailer, Truck

Best for: Cushioned adjustable RV adapter.

Why it ranks #3: This cushioned kingpin adapter lists 20,000-pound gross capacity, 4,000-pound tongue weight, 12–16-inch adjustment, and included safety chains.

This GELUOXI C5G1216 combines 12-to-16-inch height adjustment with cushioning in every direction, giving RV owners both a way to set connection height and a feature intended to absorb towing movement. Its stated limits are 20,000 pounds gross vehicle weight and 4,000 pounds tongue weight.

The sliding collar and set screws allow height adjustment between 12 and 16 inches, helping accommodate different kingpin-to-hitch setups within that range. GELUOXI describes cushioning through 360 degrees and up-and-down movement, connecting its design to shock management while towing. The adapter converts a trailer kingpin for a gooseneck hitch and includes safety chains. Alloy-steel construction is specified, while the stated 20,000-pound gross vehicle weight and 4,000-pound tongue weight define the load boundaries to observe.

Skip it if you need a gross vehicle weight rating above 20,000 pounds; the CURT 16055 is listed at 25,000 pounds.

The GELUOXI is a fit for RV and camper owners seeking adjustable kingpin conversion, multi-direction cushioning, and included safety chains. Keep the setup within its stated 20,000-pound gross vehicle weight and 4,000-pound tongue weight limits.

Listed on Amazon as: C5G1216 12"-16" Adjustable Cushioned 5th Wheel Gooseneck Adapter, Replacement for RV Camper Trailer, GTW 20000 Lbs, with Safty Chain

#4

4. Bicos C5G1216 Adapter

• Compatible with Vehicle Type: Truck

Best for: Height-adjustable cushioned conversion.

Why it ranks #4: The adjustable cushioned adapter is listed for 20,000 pounds and includes a safety chain, though the listing provides fewer fit and load details.

Its 12-to-16-inch adjustable height gives fifth-wheel owners a way to set the gooseneck connection at a chosen height when converting a camper or RV trailer. The Bicos C5G1216 is specified for 2-5/16-inch gooseneck hitch balls, making that ball size the key compatibility detail to check.

The adjustable 12-to-16-inch range provides height choice for different truck-and-trailer setups, while the cushioned adapter format converts a fifth wheel to a gooseneck connection. Its listed 2-5/16-inch ball application identifies the hitch-ball size it is intended to use. Bicos lists the unit for trucks and includes a gooseneck adapter; the supplied information does not describe a locking mechanism or installation process, so the product's clearest selection points are height range and ball size.

Skip it if you use a gooseneck ball other than 2-5/16 inches; this adapter's listed application is limited to that size.

Choose the Bicos C5G1216 if you need a cushioned fifth-wheel conversion with 12-to-16-inch height adjustment for a camper or RV trailer. Its fit depends on using a 2-5/16-inch gooseneck ball.

Listed on Amazon as: C5G1216 Fifth Wheel to Gooseneck Cushioned Trailer Hitch Adapter 12"-16" Adjustable Height Fifth Wheel to Gooseneck Cushioned Trailer Hitch Adapter for Camper RV Trailers 20000lbs with Safe Chain

#5 · Highest Capacity

5. NUOVEPE Gooseneck Hitch Plate

• Weight: 15.94 kg
• Material: Heavy Duty Hardened Steel
• Compatible with Vehicle Type: Gooseneck Trailers, Truck

Best for: High-capacity rail-mounted towing.

Why it ranks #5: Its 30,000-pound gross trailer weight and 6,500-pound vertical-load ratings lead this group, and it fits standard fifth-wheel rails.

A 30,000-pound gross trailer weight rating and 6,500-pound maximum vertical load distinguish this NUOVEPE plate for demanding towing loads. It converts standard fifth-wheel rails to a gooseneck connection and includes a 2-5/16-inch ball, allowing a rail-equipped truck to use that hitch format.

The heavy-duty hardened-steel construction accompanies a stated 30,000-pound gross trailer weight rating and 6,500-pound maximum vertical load, giving buyers clear load limits to compare with their trailer. Universal compatibility with industrial-standard fifth-wheel rails supports use in trucks already equipped with that rail type. The included 2-5/16-inch ball provides the gooseneck connection point. The listing names dump, gooseneck, boat, and farm-related trailer uses, but buyers should stay within the stated ratings.

Skip it if you need an adapter that attaches directly to a trailer kingpin box; this plate mounts in fifth-wheel rails.

Pick the NUOVEPE plate if your truck has standard fifth-wheel rails and your towing setup calls for its 30,000-pound gross trailer weight and 6,500-pound vertical-load ratings. Its rail-mounted format is the deciding fit boundary.

Listed on Amazon as: Gooseneck Hitch Plate, 5th Wheel Adapter with 2-5/16" Ball

#6 · Best Offset Option

6. CURT 16055 Rail Gooseneck Hitch

• Weight: 40 lb
• Material: Alloy Steel
• Compatible with Vehicle Type: Truck

Best for: Removable offset rail adapter.

Why it ranks #6: This rail-mounted option is rated for 25,000 pounds and has a welded 2-5/16-inch ball that can be positioned with a 3-inch rearward offset.

Four-pin installation and removal lets the CURT 16055 come out of industry-standard fifth-wheel rails for easier truck-bed access. It also offers a welded 2-5/16-inch ball and a 3-inch rearward offset option, giving rail-equipped pickup owners flexibility in gooseneck trailer positioning.

The four-pin attachment is the practical advantage for owners who switch between towing and open-bed use, since the hitch can be installed or removed from standard fifth-wheel base rails. Positioning over the axle or flipping the unit for a 3-inch rearward offset gives two placement configurations. Its welded 2-5/16-inch trailer ball supports gooseneck connections, and the stated 25,000-pound capacity provides a load ceiling for trailer selection.

Skip it if you need a gross trailer weight capacity above 25,000 pounds; the NUOVEPE Gooseneck Hitch Plate is rated to 30,000 pounds.

Choose the CURT 16055 if you already have standard fifth-wheel rails and value removable four-pin mounting plus a rearward offset option. Its 25,000-pound capacity and 2-5/16-inch ball are important boundaries for the towing setup.

Listed on Amazon as: CURT 16055 5th Wheel Rail Gooseneck Hitch, 25,000 lb, 3" Offset

#7

7. CURT 16085 Spyder Adapter

• Weight: 50 lb
• Material: carbide
• Compatible with Vehicle Type: Truck

Best for: Rail-mounted 25K gooseneck conversion.

Why it ranks #7: The rail-mounted Spyder fits industry-standard fifth-wheel base rails, carries a 25,000-pound gross rating, and includes a welded 2-5/16-inch ball.

The CURT 16085 Spyder uses four-pin mounting on industry-standard fifth-wheel base rails, allowing a pickup owner to remove it for truck-bed access. Its welded 2-5/16-inch ball and 25,000-pound gross trailer weight rating establish the connection size and load limit for gooseneck towing.

Compatibility with industry-standard base rails means this adapter serves trucks already set up with fifth-wheel rails, while four-pin installation and removal supports switching back to bed use. The welded 2-5/16-inch ball supplies the gooseneck connection point without a separate ball listed in the features. CURT rates the Spyder for up to 25,000 pounds gross trailer weight, giving buyers a specific limit to match against their trailer and towing requirements.

Skip it if you need a gross trailer weight rating above 25,000 pounds; the NUOVEPE Gooseneck Hitch Plate is rated to 30,000 pounds.

Choose the CURT 16085 Spyder for a rail-equipped pickup where removable four-pin mounting and a welded 2-5/16-inch ball suit the workflow. Its 25,000-pound gross trailer weight rating is the key load boundary.

Listed on Amazon as: CURT 16085 Spyder 5th Wheel to Gooseneck Adapter Hitch, Fits Industry-Standard Rails, 25,000 lbs, 2-5/16-Inch Ball

#8

8. BwxaAau C5G1216 Adapter

• Weight: 63.8 lb

Best for: Height-tuned RV adapter.

Why it ranks #8: This RV-focused C5G1216 offers 12–16-inch vertical adjustment, but its supplied listing does not state a load rating or safety-chain inclusion.

The BwxaAau C5G1216 adjusts vertically from 12 to 16 inches, giving RV and trailer owners a way to fine-tune trailer posture for different truck setups. A red trigger lever is specified for connection and release, offering a defined control point in the coupling workflow.

Vertical adjustment across the 12-to-16-inch range supports tuning the trailer's stance, while the cast-metal construction is described as intended to sustain consistent loads on highway and rural routes. The red trigger lever is identified for smooth connection and release, so it gives users a specific operating control rather than an unspecified coupling method. The listing identifies this as a fifth-wheel-to-gooseneck adapter for RV use; it does not provide a towing-capacity rating in the supplied specifications.

Skip it if you need a published towing-capacity rating before choosing an adapter; the supplied specifications for this model provide none.

Consider the BwxaAau for an RV setup where 12-to-16-inch height tuning and a trigger-lever connection control match your workflow. Its key decision boundary is that the supplied specifications do not state a towing-capacity rating.

Listed on Amazon as: C5G1216 12"-16" Adjustable Cushioned 5th Wheel Gooseneck Adapter, For RV

#9

9. Sidasu Gooseneck Adapter

• Weight: 30 lb
• Material: Alloy Steel
• Compatible with Vehicle Type: Tractor, Truck

Best for: Heavy-load alloy-steel adapter.

Why it ranks #9: The listing claims a 30,000-pound load capacity and alloy-steel construction, but gives less precise fit and connection detail than higher-ranked choices.

A 30,000-pound load capacity is the central specification of the Sidasu fifth-wheel-to-gooseneck adapter, aimed at truck and tractor towing applications. Its alloy-steel body has a black waterproof powder finish, which the listing says is rust- and wear-resistant for exposure to varied weather conditions.

The stated 30,000-pound capacity gives buyers a clear load figure to compare with their trailer, while the alloy-steel construction supplies the listed material basis for the adapter. Sidasu describes its black waterproof powder finish as rust- and wear-resistant, a practical consideration for use in rain, snow, hail, and other named conditions. The product is listed for trucks and tractors. Supplied facts describe connection to a 2-inch gooseneck hitch ball, making that size a key compatibility check.

Skip it if you use a gooseneck ball other than 2 inches; the supplied connection information specifies a 2-inch ball.

The Sidasu is aimed at truck or tractor owners seeking a high-capacity alloy-steel adapter for varied weather exposure. Check the supplied 2-inch ball connection detail and keep towing within the stated 30,000-pound capacity.

Listed on Amazon as: 5th Wheel to Gooseneck Adapter,30,000lbs Large Load Capacity

#10

10. springcraze SC01-1 Adapter

• Weight: 15 lb
• Material: Alloy Steel
• Compatible with Vehicle Type: Truck

Best for: Four-inch square-tube adapter.

Why it ranks #10: This adapter is specified for a 4-inch square outer tube, a narrow fit condition with no stated capacity or height adjustment.

The springcraze adapter is identified specifically for a 4-inch square outer tube, making tube geometry the first selection point for buyers converting a fifth-wheel setup. Its alloy-steel construction and 15-pound listed weight provide the available material and handling details for this truck-compatible gooseneck ball adapter.

The product title's 4-inch square outer-tube specification defines the intended interface, so buyers can compare that measurement with their existing tube before selecting it. Alloy steel is the listed material, and the 15-pound weight gives a concrete figure for handling during installation or removal. It is identified as a truck-compatible gooseneck ball adapter. The supplied product facts do not provide a towing-capacity rating or additional adjustment range, so the tube size remains its clearest documented fit criterion.

Skip it if you have an outer tube other than 4-inch square; this model's stated fit is limited to that tube geometry.

The springcraze suits a buyer whose setup uses the specified 4-inch square outer tube and who wants an alloy-steel gooseneck ball adapter. Its documented fit is narrowly defined, and the supplied facts give no towing-capacity rating.

Listed on Amazon as: Fifth Wheel to Gooseneck Adapter for 4" Square Outer Tube