Shocker Hitch — Air Ride Towing Hitches
Shocker 40K Gooseneck Square Stem & 3" Shift Lock Coupler SL-SQ-STR-SL40-RAW

Shocker 40K Square Gooseneck Stem & Coupler for 3" Ball - 40,000 lbs - Square 4" Straight Pin, Raw Steel

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$459.99 CAD

$684.73 save $224.74

or as low as $39/mo with flexible financing — 4, 6, or 12 months. Options at checkout.

Free shipping over $150Ships from Canada1-year warranty60-day returns
Standard

SKU: SL-SQ-STR-SL40-RAW

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The details that matter

Product overview

Heavy-duty adjustable 4" square gooseneck stem & Shift Lock® coupler for 3" gooseneck ball. Inner 4" square tube replacement gooseneck coupler that fits into a 4-1/2" outer stem tube on a gooseneck trailer.

What’s included

  • Includes complete replacement inner square tube gooseneck stem to replace 4" or 100mm (3-5/16") stems along with Shift Lock® gooseneck coupler for 3" gooseneck ball.
Full product description

Heavy-duty adjustable 4" square gooseneck stem & Shift Lock® coupler for 3" gooseneck ball. Inner 4" square tube replacement gooseneck coupler that fits into a 4-1/2" outer stem tube on a gooseneck trailer. Replace or update your gooseneck trailers coupler with the patented dual latching 40K Shift Lock gooseneck coupler for 3" ball by Shocker Hitch.

Replaces 4" or 100mm (3-15/16") square stem with straight pin holes. Stem offers 4 height adjustment holes that are 3/4" in diameter for the safety pin holes. This comes in raw steel, for you to paint or powder coat. Upgrade your gooseneck trailer with the easy to use, 3" Shift Lock gooseneck coupler for gooseneck trailers.

This is built heavy duty and is rated at 40,000 lbs GTW with 8,000 lbs tongue weight. The Shift Lock gooseneck coupler that captures ball on both sides. Plus, at a glance, you can see if it's locked onto the ball. Just use the shifter handle to lock it on to the ball or to release it from the gooseneck ball.

The dual latching rods are made with 3/4" diameter 1045 steel to lock the ball in place. Works great on gooseneck style trailers; dumps, equipment, flatbed, race trailers and more. Completely replaces your factory stem & gooseneck coupler. Installs in minutes. Patent # 11,370,257 B1. Made by Shocker Hitch® USA in Jamestown, ND

All features & technical notes

Features

4" Square Gooseneck Stem & Shift Lock Gooseneck Coupler for 3" Ball: Inner 4" square tube replacement gooseneck coupler that fits into a 4-1/2" outer stem tube on a gooseneck trailer. Completely replaces your factory gooseneck stem & coupler. Installs in minutes. This comes in raw steel for you to paint or powder-coat.

4" Stem has 4 Adjustment Holes & Fits 3" Gooseneck Hitch Balls: Replaces 4" or 100mm (3-15/16") square stem with straight pin holes. Stem offers 4 height adjustment holes that are 3/4" in diameter for the safety pin holes.

Includes Inner Tube Square Stem & 3" Shift Lock Gooseneck Coupler: Includes complete replacement inner square tube gooseneck stem to replace 4" or 100mm (3-5/16") stems along with Shift Lock® gooseneck coupler for 3" gooseneck ball. Patented 40K Shift Lock® Dual Latching Coupler for 3" Ball: Patented game changing design.

Dual latching design 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 40,000 lbs GTW & 8,000 lbs Tongue Weight: Built for heavy-duty gooseneck towing to provide years of performance.

Heavy Duty Thick Walled Stem with Extra Strong Plating for Welded Stem & Coupler Connection: Stems are thick walled with additional plating for superior strength to weld 3" coupler to stem for long term strength and durability. Optional Shift Lock Gooseneck Locks: Box style coupler & set bolt lock kit is part # SH-GK30P-400GL-BLK.

Box style coupler lock is SH-GK340P-BLK. Puck style coupler lock is: SH-9000-350. Set bolt lock, part # SH-400GL-ISP-BLK available and sold separately. Optional Outer Gooseneck Square Sleeve Tube: Does not include weld on outer gooseneck square sleeve tube. They are sold separately. The Shift Lock coupler is also available on Gooseneck Surge Air Hitches.

Installation

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