Couplers & Jacks

10k Dump Jack

Upgrade to a 10,000 lbs high capacity jack for your bumper-pull dump trailer.

  • Spring loaded drop leg for easy retracting
  • Lift capacity 10,000 lbs
  • Static capacity 12,000 lbs
  • Side wind handle

Gooseneck to Kingpin Adapters

Our Gooseneck to Kingpin Adapters allow you to pull our gooseneck trailers with a fifth wheel hitch. Simply slide the adjustable height gooseneck coupler down out of the outer clamping sleeve on the neck and slip the kingpin adapter up into the sleeve and pin it in place taking care to tighten the set screw(s) to prevent movement.

These kingpin adapters are equipped with 2″ SAE Kingpins and have a black powder coat finish.

Gooseneck to Kingpin Adapter Features

  • 2′ SAE King Pin
  • Black Powder Coat Finish
  • Two Handles
  • 30k capacity
  • Round Gooseneck Kingpin Adapter PJ Part #: 140300
  • Square Gooseneck Kingpin Adapter PJ Part #: 140301
  • Square Gooseneck Kingpin Adapter w/ 18″ bolster plate PJ Part #: 140302
  • Side wind handle

Jost 2-Speed Jacks

Jost jacks have quickly become one of the most popular two speed trailer jacks on the market.
They have a patented internal gear box that protects the gearing from abuse and minimizes water intrusion.
  • Made in the USA
  • Fits FS, FD, LD, FY, LY, TD, T9, & SY trailers
  • 50k lifting capacity per pair
  • Internal Two-Speed Gearbox
  • A400 Dropleg Model
  • Spring loaded drop leg for quick retraction
  • Legs are sealed to keep water out
  • Slide handle in and out to change gears
  • 5 year warranty
  • Low gear, 32 turns = 1′ of travel
  • High gear, 3.5 turns = 1′ of travel
  • Standard jack on our Stepdeck Trailer
  • Note: Jost jacks are liquid painted (not powder coated)

Bulldog BX1 Couplers

BX1 Adjustable Couplers (25k & 30k)

The BX1 has several great improvements over the previous model. Please watch the video below for a comparison of what makes the BX1 the best gooseneck coupler in the industry.

Effective November 2012 all PJ Goosenecks ordered with a round coupler will receive a Bulldog BX1 standard.

  • Has dual grease fittings to grease the ball and locking plate for smooth operation
  • Bottom socket plate is 50% larger than competitors, making it much easier to position the ball under the socket
  • Can be operated easily with one hand and is extremely simple to lock and unlock
  • Moving the handle to the bottom of the coupler allows for more vertical adjustment since there is no longer handle assembly on the tube. A “shorty” version is available, which is especially useful for lifted trucks.
  • The BX1 is a direct replacement for our previous Bulldog Coupler
  • The ball fits better and reduces jarring by having an additional contact point
Play Video about Bulldog Coupler Video Placeholder

Two Speed Jacks

Two Speed Jacks Features
Our two speed Bulldog jacks make cranking loads both faster and easier.
  • Use low gear for full power (loaded)
  • Use high gear for speed (unloaded)
  • Spring loaded drop leg for easy retracting
  • Lift capacity 10,000 lbs
  • Static capacity 12,000 lbs
  • Planetary gear box (switch gears in any position)

Hydraulic Trailer Jacks

PJ Hydraulic Jack Option
The PJ Trailers self-contained hydraulic jacks make raising and lowering your trailer as simple as pressing a button.
This option is becoming more popular due to the amount of energy it takes to raise and lower the trailer. Not only do hydraulic jacks save your back, they also save you time by reducing 1-2 minutes required to raise a trailer to around 5-10 seconds.
You also will no longer need to bend over to raise & lower the jack foot after the trailer has been hitched to the truck.
Hydraulic Jack Features
  • 12k Jack Rating
  • Hydraulic Power Up & Down
  • KTI Hydraulic Unit
  • Interstate Deep Cycle Battery
  • Two-Button Remote
  • Hydraulic Unit and Battery Contained in Locking Front Toolbox
  • Hydraulic Unit and Battery can be mounted in a side mount toolbox for an additional charge
  • Dealer Code: -JA06
Play Video about PJ Hydraulic Jack Demo

At Nationwide Trailers, we have trailer couplers and jacks for sale that will help you get the most out of your trailer. Whether it’s a hydraulic trailer jack or a 10k spring-loaded jack, you can find everything you need at our locations in Texas, Oklahoma and Arkansas.

Trailer Jacks for Sale

One of the most important features for efficiency is a good trailer jack. When you buy the right trailer jack, you can raise and lower your trailer easier to make connecting and disconnecting the trailer a smoother process. A jack also keeps your trailer level when it’s not attached to the tow vehicle and stabilizes it for loading and unloading when it’s parked.

Here are our different trailer jacks for sale:

  • 10k dump jack: Our 10k dump jack has a high capacity of 10,000 lbs. for your bumper-pull dump trailer. It it spring-loaded drop leg and has a side wind handle and a static capacity of 12,000 lbs.
  • Jost two-speed jacks: Jost jacks are top of the line and also a popular two-speed trailer jack option. They have an internal gearbox that helps protect them from abuse and stops any water from getting inside.
  • Two-speed jacks: We carry two-speed jacks from Bulldog that make it faster and easier to crank your loads. You can use the low gear for full power when you’re loading and use the high gear for speed when you’re unloading. The lift capacity is 10,000 lbs.
  • Hydraulic trailer jacks: PJ hydraulic jacks are self-contained and help you raise and lower your trailer simply by pressing a button. It has a 12k jack rating and a two-button remote to reduce the time it takes to raise and lower your loads.

Trailer Couplers for Sale

Your trailer coupler gets bolted or welded onto the end of your trailer’s tongue. It should fit over the tow vehicle’s hitch ball. When you buy a trailer coupler, you need to make sure you’re choosing the right replacement for your type of trailer and what you want to use it for.

Additional coupler options:

  • Bulldog BXI couplers: BXI adjustable couplers at Nationwide Trailers are some of the best gooseneck couplers in the industry. Each coupler has dual grease fittings for smooth operation and can be operated with one hand.
  • Gooseneck to kingpin adaptors: Our other trailer couplers for sale include gooseneck to kingpin adaptors that let you pull your gooseneck trailer with a fifth wheel hitch. It features two handles, a black powder coat finish and side wind handle.

Buy Trailer Jacks and Couplers From Nationwide Trailers

Whenever you want to buy new trailer couplers or are looking for trailer jacks for sale, come to one of our locations in Texas, Oklahoma and Arkansas. We have a large inventory of trailers as well as custom options to help you find the best option. Contact us today to learn more about our accessories, trailer jacks and trailer couplers.

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