• Safer Smoother Towing with Built in Air Ride for Your Diamond C Gooseneck Trailer: Improves your ride, easier on you, your equipment, plus reduces wear & tear on pickup & Diamond C trailer. Built-in air ride system for a smoother towing experience. Just add air depending on the weight of your trailer and its’ contents. An air spring bag is simply the best cushion device on the planet. This hitch directs the tow resistance through the air ride system, producing a smooth ride. Patent #’s 11,370,257 B1 & D898,628.
• Quick & Easy Installation on Your Gooseneck Trailer In Minutes: Completely replaces your factory gooseneck stem & coupler with Gooseneck Surge Air System & Coupler. Watch Installation Video.
• Shock Dampening & Absorbing Action Make It Easier on You & Equipment: Effectively absorbs the jerking, tugging, bumps & damaging forces experienced when towing on rough roads & concrete highway with a typical hard connection. Helps eliminate jerks, bucking, bangs & chucking felt when towing. Built in air ride system along dual external  bump cushions, plus internal bump inside of air spring bag offer heavy duty, yet very smooth performance.
• Adjustable for Tow Weight – Easily Adjust for Best Ride & Load Control: The Air Ride System sits behind your gooseneck hitch and out of the way. You will find the advantage of the Gooseneck Air Shocker is your ability to adjust air pressure for best ride and load control. View our Shocker PSI Air Pressure tuning guide. Heavy loads, Watch: just add air.
• Reduces Stress, Wear, Tear & Breakage on Truck, Trailer & Cargo: Air ride reduces wear & tear on the driveline and frame. Less stress & breakage on welded. Treat yourself, passengers, animals, & equipment, and your passengers to a much smoother ride. You’ll never go back to the continual bumps, jerks, and vibrations.
• 30,000 lbs to 40,000 lbs Tow & 7,000 lbs tongue weight: Available with dual latching Shift Lock gooseneck coupler. All 9" offset coupler & demco coupler options have 6,000 lbs TW. 2-5/16" ball shift lock coupler has 30,000 lbs GTW and 3" ball coupler has 40,000 lbs GTW & 8,000 lbs TW.
• Provides Comfort & Control with Simple Pivot Design: With a smoother ride. Your Shocker air hitch absorbs the thumps, bumps, and jerks you feel when towing your gooseneck trailer. The Gooseneck surge air hitch system allows for better control of your pickup & trailer. Uses a rocker arm pivot design which produces a front and back motion, much different than other cushion hitches on the market. Our design eliminates the need for parallel linkages, shock absorbers, torsion arms, and other over engineered gadgets.
• Choose Dual Latching Shift Lock® or Demco Coupler: Patented gooseneck coupler. Shift lock is the only gooseneck coupler that captures ball on both sides. At a glance, you can see if the coupler is locked on the ball. Easy to use handle to hook up and disconnect the coupler from the ball.  Patent #’s 11,370,257 B1 & D898,628. Demco ez latch coupler automatically latches on to ball, flip handle up to unhook.
• Choose for 2-5/16" or 3" gooseneck hitch balls: & has 3 height adjustment holes. (Standard coupler extends 3" forward from your factory coupler or choose 9" extension for short bed pickups. Extender coupler option is great for extra cab clearance.). 2-5/16" coupler is rated at 30,000 lbs GTW and 3" coupler is rated at 40,000 lbs GTW & 8,000 lbs tongue weight.
• Gooseneck Air Hitch System Includes: Complete Shocker Gooseneck Surge® air hitch with built-in air ride system & dual bump cushions, replacement inner tube stem Shift Lock or Demco gooseneck coupler. Choose for 2-5/16" ball, 3" ball or kingpin option. Kingpin option also available for low-profile 5th wheel plates like on flatbed trucks. Not for use with camper 5th wheel plate.
• Custom Fit Thick Wall Heavy Duty Stem Options: Diamond C gooseneck trailers have 100mm (3-15/16") round stems & 4" round stem with angled pin holes (pin Not straight) as well has 4" square with straight pin holes, square stems with top crank along with the 4-1/2" stem with bolted pattern. Or choose the new patent pending round multi-fit stem.
• Saves Fuel: Customers using the gooseneck air hitch report saving one mile or more per gallon.
• Optional Gooseneck Locks: Shift lock box style coupler & set bolt lock kit is part # SH-GK30P-400GL-BLK. Box style coupler lock is SH-GK340P-BLK. Pad lock style shift lock coupler lock is: SH-9000-Lock and the Demco box lock & set bolt lock is part #SH-GDSP-400GL-BLK. Demco pad lock style options is SH-9100. Set bolt lock, part # SH-400GL-ISP-BLK available and sold separately.
• Order by Trailer Manufacture: Find your Gooseneck Hitch by Trailer Brand.
• Not sure what size round gooseneck stem you have? See our gooseneck stem selection guide.
• Safety Note: Towing capacity is limited by lowest rated component.

Air ride upgrade for your Diamond C gooseneck trailer. The revolutionary Shocker Gooseneck Surge® air hitch & coupler is the ultimate in gooseneck trailer towing for your Diamond C gooseneck trailer. Available with 30,000 lbs to 40,000 lbs GTW. This shock-absorbing cushion hitch is the only air ride hitch to exclusively work in a forward and back motion, which is oftentimes this is the biggest jerk you feel when towing a gooseneck trailer. Make gooseneck towing easier on you, your equipment, and cargo. Reduces breakage and gives you a way smoother ride. Works great on Diamond C dump, flatbed, tilt & deck over gooseneck trailers. The built-in air ride system absorbs the road shock and filters the bumps, bugs, jerks, chuck and tugs through the air ride system creating a smoother, safer towing experience for you, your pickup, your trailer & the contents.  Featuring the patented Shift Lock® coupler for a 2-5/16" or 3" hitch ball or a Demco auto latching coupler for 2-5/16" ball.  Completely replaces the factory 4" round, 4" square, 4.5" square stem & coupler on a Diamond C gooseneck trailers. The shock-absorbing gooseneck hitch for a Diamond C flatbed or dump gooseneck trailer is made for smooth and safe towing, whether you are towing occasionally or a hotshot truck driver hauling cargo all over the country. Works great on Diamond C gooseneck-style end dumps & flatbed trailers. Fine-tune for your weight, heavier loads just add air. Even saves fuel, as customers report 1 mile or more per gallon improvements. Completely replaces your factory stem & coupler with the Gooseneck Surge Air system & coupler. Watch Installation Video Manufactured by Shocker Hitch® USA

Note:  Diamond C gooseneck trailers have 4"round stems with angled/slotted hole for the pin, and a 4" or 4.5" square tube stem with a top crank. Some 2021 Diamond C trailers have 100mm stems with angled holes. We also have the new patent pending multi-fit stem options. The Shocker gooseneck surge air hitch attaches easily to your trailer in minutes. Replacement inner tube stem has 3 adjustment holes and the coupler extends 3" forward from the factory location, or you can also order it 9" forward for short bed pickup trucks.

Adds life to your pickup & gooseneck trailer by reducing wear and tear on driveline and frame! Treat yourself, your equipment, and your passengers to a much smoother ride. You’ll never go back to the ‘old days’ of continual bumps, jerks, and vibrations. Join the list of satisfied customers who are using Shocker hitches.  If even saves fuel, customers using the gooseneck air hitch report saving one mile or more per gallon.

California Residents: Prop 65 Warning