
Shocker 40K Air Ride for American Hauler Gooseneck Trailer - Square 4.5" Straight Pin, 3" Shift Lock Coupler – Square 4.5″ Straight Pin, 3″ Shift Lock Coupler
$2,183.98
$2,284.78 save $100.80
or as low as $182/mo with flexible financing — 4, 6, or 12 months. Options at checkout.
Smooth Air Ride
Patented air-bag suspension absorbs road shock between truck and trailer for a noticeably calmer ride.
Reduces Trailer Sway
Air cushioning keeps the trailer tracking straight through rough pavement, expansion joints, and crosswinds.
1-Year Manufacturer Warranty
Every Shocker Hitch is covered for 365 days against defects in material or workmanship, plus a 60-day satisfaction guarantee.
Fast Installation
Drop-in fit using standard hitch pins — no drilling, welding, or special tools required to install.
Stop destroying your trailer and cargo.
Every bump, pothole, and expansion joint sends a violent jolt through your trailer frame, damaging cargo and wearing out your truck. Shocker Air Ride Hitches absorb that punishment at the coupling, before it reaches your trailer.
Upgrade your heavy duty gooseneck trailer, with a 40,000 lbs gooseneck air hitch & coupler for 3" gooseneck ball. The HD air ride Shocker Gooseneck Surge® air hitch is the ultimate in smooth gooseneck trailer towing to cushion your towing. This patented, revolutionary air ride shock absorbing cushion hitch is the only air ride hitch to exclusively work in a forward and back motion, which is often times this is the biggest jerk you feel when towing a gooseneck trailer. Filters the bucking and chucking through the air ride system making it smoother every mile. Design for hot shot gooseneck trailer operators and heavy-duty gooseneck trailer towing. Smoother gooseneck towing every mile. Fits American Hauler Gooseneck Trailers with a 4.5" (4-1/2") Square Inner Tube Stem with Straight Pin Holes. The built in air ride system filters the road shock through the air ride system creating a smoother, safer towing experience for you, your pickup, gooseneck trailer, cargo & equipment. Increase load control with adjustable air ride and reduces damage on truck, trailer and cargo. Optimized by tow weight. Since you can adjust the air, you can fine tune for tongue weight & best ride for when you are fully loaded or towing an empty trailer. The Shift Lock® gooseneck air coupler captures both sides of the ball and you can easily see if it is locked with a glance. It offers up to 8,000lbs tongue weight. Whether you are a occasionally tow or are doing hotshot trucking, this gooseneck hitch adds instant air ride to your hauling. This is the preferred gooseneck air hitch for hotshot trucking operators and haulers. And considered the one best hot shot trucking accessories. Available for Gooseneck trailers with square tube stems. This shock absorbing, dampening and filtering air ride hitch works great on gooseneck style end dumps, flatbed, race haulers, livestock, toy haulers, tilt, horse trailers and more. Installs in minutes and Completely replaces your factory gooseneck stem & coupler. Featuring 3 height adjustment holes & extends your hitch 3" forward. Made by Shocker Hitch® USA.
- Safer Smoother Towing with Built-in Air Ride for American Hauler Gooseneck Trailer: Improves your ride, easier on you, your equipment, plus reduces wear & tear on pickup & American Hauler gooseneck race car 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. Provides Comfort & Improves Control Towing with a Gooseneck: The smoother towing you get makes it easier on you, your passengers, animals, cargo & trailer. The patented design filters the natural tugs between trailer and pickup, giving you more control &comfort towing a gooseneck trailer. By giving you improved control of your tow vehicle & trailer, it is safer. The Gooseneck surge air hitch system allows for better control of your pickup & the trailer it is towing. 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, just add air. Reduces Stress, Wear, Tear & Breakage on Truck, Trailer, Race Car & Cargo: Air ride reduces wear & tear on the driveline and frame. Less stress & breakage on welded. Treat yourself, passengers, animals, & equipment to a much smoother ride. You’ll never go back to the continual bumps, jerks, and vibrations. Shock Dampening & Absorbing Action Makes It Easier on You & Equipment: Effectively absorbs the jerking, tugging, bumps & damaging forces experienced when towing on rough roads & concrete highways 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. Quick & Easy Installation on Your Gooseneck Trailer In Minutes: Completely replaces your factory gooseneck stem & coupler with Gooseneck Surge Air System & Coupler. Air Ride Installs in Minutes on Gooseneck Trailer. 30,000 lbs or 40,000 lbs GTW & 7,000 lbs tongue weight: Dual latching Shift Lock gooseneck coupler for 2-5/16" or 3" goose ball. 9" offset coupler has 6,000 lbs tongue weight. 2-5/16" coupler has 30,000 lbs GTW & 3" coupler has 40,000 lbs GTW. Choose for 2-5/16" or 3" gooseneck hitch balls: Has 3 height adjustment holes. (Standard coupler extends 3" forward from your factory coupler, 6,000 lbs tongue weight on 9" offset & all demco couplers and 7,000 lbs TW standard air hitch with shift lock). 2-5/16" coupler has 30,000 lbs GTW & 3" coupler has 40,000 lbs GTW. Choose Dual Latching Shift Lock® or Demco Coupler: Patented gooseneck coupler. Shift lock is the only gooseneck coupler that captures the 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 onto ball; flip the handle up to unhook. Shock Dampening & Absorbing Action: Effectively absorbs the jerking, tugging, bumps, and damaging forces experienced when towing on rough roads & concrete highways with a typical hard connection. Custom Fit Thick Wall Heavy Duty Stem Options: American Hauler gooseneck trailers have a 4" square stem or 4.5" square stem for American Hauler Gooseneck Trailers, perfect for our patent pending square multi-fit stem. 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® gooseneck coupler for 2-5/16" ball or 3" ball. Kingpin option is also available for low-profile 5th wheel plates, like on flatbed trucks. Not for use with camper 5th wheel plate. Simple Pivot Design: 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. 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. Not Sure What You Need To Order? Order by Trailer Manufacture. Click this link to find Gooseneck Air Hitches by Trailer Brands. Got a Short Bed Pickup? Check out our all new air ride hitch with 9" gooseneck extension coupler. If you have a gooseneck trailer 3" goose ball, check out our 40,000 lb gooseneck air ride hitch with 3" ball coupler. Safety Note: Towing capacity is limited by lowest rated component.
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Still researching?
Skip the product wall — these are the four guides every buyer actually opens before they decide.
Installation Guide
Step-by-step videos for every Shocker family. What's in the box, what tools you need, and how long it takes.
Watch the installAir Pressure Setup
How to dial in air pressure by trailer weight so the ride is right the first time and the hitch lasts longer.
See psi by loadTowing Capacity Guide
Match GTW, tongue weight, and receiver size to your truck class so you don't over- or under-buy.
Read the guideConfigure Your Hitch
60-second fit quiz — answer a few questions about your truck and trailer, get a tailored recommendation.
Start the quiz
- 1-Year Manufacturer Warranty
- 60-Day Returns
- 20,000+ Customers
- Ships from Canada
