• Weld On Outer Gooseneck Trailer Tube Stems: Weld-on Round & Square tube stem sleeve for inner stem tube gooseneck couplers.
• Used by Gooseneck Trailer Manufacturers: Commonly used by Gooseneck trailer manufacturers. Professional welding required.
• 20" Height With Heavy Duty Design & Reinforced Neck Collar: Thick-wall tube steel with reinforce the heavy-duty collar at the lower neck for additional strength.
• 4 Sizes to Choose From: 4.5" OD Round or Square Sleeve to fit 4" Round or Square Inner stem with gooseneck coupler with straight pin holes. 5" OD to fit 4.5" Square inner stem with gooseneck coupler with straight pinhole. 5" OD to fit 4.5" Square inner stem for Diamond C bolted stem.
• Outer Gooseneck Stem Sleeve Kit Includes Everything You Need:  Includes weld on outer sleeve size and style selected that is 20" Height. Includes through pin holes, 2 set bolts with jam nuts, along with safety through pin & clip. 4.5" OD / 4" ID has 3/4" diameter through pin & clip included. 5" OD / 4.5" ID has 1" diameter through pin & clip included with. Diamond C style does not have a through pin but uses bolts.
• Cap Top To Keep The Elements Out: Top sleeve is capped to prevent water and debris accumulation.
• Professional Welding Required for Installation: Professional welding is required for proper installation and weight rating.
• Raw Steel Finish: Square outer stems can be welded onto a gooseneck trailer with set bolts in the front or the back.
• Looking for a gooseneck coupler? Check out our Shocker Gooseneck Couplers.

FAQ for Gooseneck Trailer Towing

• • Advantages of Air Hitches
  • Gooseneck Trailer Chucking
  • How To Fix Truck Squatting
  • Do I Have a Gooseneck or 5th Wheel?
  • Type of Round Gooseneck Stems
  • Do I Need an Offset Gooseneck Coupler?
  • What is Towing Capacity?
  • Shocker Gooseneck Hitch Uses
  • Types of Trailers for Towing with a Pickup Truck
  • Types of Gooseneck Balls
  • Why Grease Your Hitch Ball?
  • How to Back Up a Gooseneck Trailer?
  • How To Level Trailer

The weld on thick wall outer tube square stem neck for a gooseneck coupler is available in 4″ square or 4″ round with 3/4″ diameter pin holes or 4.5″ square with 1″ diameter pin hole with 2 set bolts and jam nuts along with safety through pin with clip. Weld on square stems are up to 40,000 lbs GTW and round tubes are rated up to 30,000 lbs GTW. This is a Heavy Duty weld on neck that gooseneck trailer manufacturers use. It comes in raw steel, and the tube is designed to be welded onto the front of a gooseneck trailer. Lower collar offers additional strength. These round and square outer gooseneck coupler sleeves are fabricated from thick-walled 1/4″ steel, with precision tolerance. Available for 4″ round or square gooseneck couplers or 4.5″ square gooseneck couplers. The top is capped to prevent water and debris accumulation. They are 20″ in height. Does not include inner tube gooseneck coupler. Professional welding is required for welding the outer tube to the gooseneck tongue. Manufactured by Shocker Hitch.

California Residents: Prop 65 Warning