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KINGPIN

Standard king-pin with 10" round bolster plate fitted to 18" long square or round tube. Durable Black powder coat finish. Fits standard  gooseneck trailer coupler tubes.  Allows Gooseneck trailers to be pulled with Semi-Tractors.

30,000lb Trailer Rating

*Pull your Gooseneck Trailer with a pickup

or Semi-Tractor*

MODEL Fits
   
GN5 Standard 4" I.D. Round Trailer Coupler Tube
GN6 4-1/2" I.D. Square Trailer Coupler Tube 
GN7 4" I.D. Square Trailer Coupler Tube

Free Delivery In USA Except Alaska & Hawaii

Gooseneck Couplers  2 5/16"

Gooseneck Couplers 2 5/16"

 Model  These Models Fit
00-GN1 Standard 4" I.D. Round Trailer Coupler Tube
00-GN1-A Non-Standard 4 1/2"  I.D. Round Trailer Coupler Tube*** Special Order***       "This Tube Has NO HOLES"
00-GN2 4-1/2" I.D. Square Trailer Coupler Tube 
00-GN3 4" I.D. Square Trailer Coupler Tube

Gooseneck Couplers

The cone shaped bottom plate guides ball into without being lined-up directly over the ball.

Forged steel top plate for extra strength and wear.

4 1/2” O.D. Outer Pipe / 4” O.D. Inner Pipe

28” Collapsed / 38” Extended

GOOSENECK COUPLERS
19-130  2 5/16” Adjustable Round Coupler (25K)
19-130-C  2 5/16” Adjustable Round Coupler (25K) WCAP
19-131  2 5/16” Adjustable Round Coupler (30K)
19-135  2 5/16” Adjustable Square Coupler (25K)
19-136  2 5/16” Adjustable Square Coupler (30K)
GOOSENECK EXTENDERS

GOOSENECK EXTENDERS

New Extended Couplers

Nine Inch Models

Available in Round Tube or Square Tube 

All Models are Drilled for Safety Thru Pin

MODEL Fits
19-SB1   Fits Standard 4" I.D. Round Trailer Coupler Tube
19-SB2 4-1/2" I.D. Square Trailer Coupler Tube 
19-SB3 4" I.D. Square Trailer Coupler Tube
Gooseneck Cushion Coupler

Gooseneck Cushion Coupler

WOW! Up To 59% Smoother Ride

Free Delivery In USA Except Alaska & Hawaii

WOW! Up To 59% Smoother Ride

MODEL Fits
19-CC2  4" Standard RND  Gooseneck Cushion Coupler for 2 5/16" Ball

The CC2 is furnished drilled for use on trailers with a safety thru pin.  However the pin cannot be used because of the internal mechanism of the Cushion Coupler.  Instead of using the thru pin, the CC2 is furnished with an ingenious studded collar  to safely lock the unit in place. Will also work perfectly in trailers with two set bolts and no thru pin.

 

Lifetime Warranty on Timbren Cushions

  • Up to 30,000 lbs. Gross Trailer Weight.

  • Progressive shock dampening cushions.

  • Less driver and passenger fatigue. 

  • Less animal fatigue.

  • Less wear and tear on truck and trailer.                      

  • Maintenance free.

  • Lifetime warranty on Timbren cushions.

  • Fits 4" I.D. round coupler tube.                                                   

  • Simple swap-out installation.

  • Precision laser cut fabrication.

  • Self-latching 2-5/16" "V-19" rated coupler.

  • Coupler pre-drilled to accept a padlock.

  • Long lasting black powder coated finish.

  • 100% complete.

  It takes a lot of muscle to tame a fully loaded trailer and the Cushion Coupler is up to the task.  With a shipping weight averaging over 100lbs you know that there's some serious metal in these units.

ORDER BELOW

MODEL Fits
19-CC2  4" RND  Gooseneck Cushion Coupler for 2 5/16" Ball

 

 

20K Goose Coupler - Bulldog,  2 5/16”  Adjustable Round Coupler (20K) HBA2516 (SKU: 6750035)20K Goose Coupler - Bulldog, 2 5/16” Adjustable Round Coupler (20K) HBA2516 (SKU: 6750035)
20K Goose Coupler - Bulldog,  2 5/16”  Adjustable Round Coupler (20K) HBA2516 (SKU: 19-155)20K Goose Coupler - Bulldog, 2 5/16” Adjustable Round Coupler (20K) HBA2516 (SKU: 19-155)
20K Goose Coupler - Bulldog, 2 5/16”  Non-Adjustable Round Cou pler (20K) - 34” Height (SKU: 19-150)20K Goose Coupler - Bulldog, 2 5/16” Non-Adjustable Round Cou pler (20K) - 34” Height (SKU: 19-150)
20K Head Set - Bulldog, HAMMERBLOW HEADSETS 2 5/16 20K (HB2516NP) (SKU: 19-440)20K Head Set - Bulldog, HAMMERBLOW HEADSETS 2 5/16 20K (HB2516NP) (SKU: 19-440)
25K Goose Coupler - Bulldog,  2 5/16”  Adjustable Square Coupler (20K) (SKU: 19-156)25K Goose Coupler - Bulldog, 2 5/16” Adjustable Square Coupler (20K) (SKU: 19-156)
3" GOOSENECK COUPLER WITH 3/4"X4-1/4" HITCH PIN ONLY (SKU: WF2/RN)3" GOOSENECK COUPLER WITH 3/4"X4-1/4" HITCH PIN ONLY (SKU: WF2/RN)
3" GOOSENECK COUPLER WITH 3/4"X4-1/4" HITCH PIN ONLY (SKU: WF2-32M /RN)3" GOOSENECK COUPLER WITH 3/4"X4-1/4" HITCH PIN ONLY (SKU: WF2-32M /RN)
30k BULLDOG COUPLER (SKU: HBA2516-30k)30k BULLDOG COUPLER (SKU: HBA2516-30k)
4"  Square Trailer Coupler Tube (SKU: 00-GN3)4" Square Trailer Coupler Tube (SKU: 00-GN3)
4"  Square Trailer Coupler Tube ...Kingpin (SKU: 00-GN7)4" Square Trailer Coupler Tube ...Kingpin (SKU: 00-GN7)
4" RND  Extended Cushion Coupler (9" Extended) (SKU: 00-CC4)4" RND Extended Cushion Coupler (9" Extended) (SKU: 00-CC4)
4" Round Insert w/ King Pin  30K (SKU: 19-GN5)4" Round Insert w/ King Pin 30K (SKU: 19-GN5)4" Round Insert w/ King Pin 30K
4" Square Extended Cushion Coupler (9" Extended) (SKU: 00-CC8)4" Square Extended Cushion Coupler (9" Extended) (SKU: 00-CC8)
4" SQUARE GN COUPLER 2 5/16 25K W/PIN AND SET SCREW (SKU: 6750535)4" SQUARE GN COUPLER 2 5/16 25K W/PIN AND SET SCREW (SKU: 6750535)
4" SQUARE INSERT W/2" KINGPIN 30K (SKU: 19-GN7)4" SQUARE INSERT W/2" KINGPIN 30K (SKU: 19-GN7)
4-1/2"  Square Trailer Coupler Tube (SKU: 00-GN2)4-1/2" Square Trailer Coupler Tube (SKU: 00-GN2)
4-1/2"  Square Trailer Coupler Tube ...Kingpin (SKU: 00-GN6)4-1/2" Square Trailer Coupler Tube ...Kingpin (SKU: 00-GN6)
4-1/2" Square Extended Cushion Coupler (9" Extended) (SKU: 00-CC6)4-1/2" Square Extended Cushion Coupler (9" Extended) (SKU: 00-CC6)
Adj. Square Goose Coupler - DB, Top Wind Adjustable Square Coupler (30K) HBQ2516TW (SKU: 6750047*)Adj. Square Goose Coupler - DB, Top Wind Adjustable Square Coupler (30K) HBQ2516TW (SKU: 6750047*)
Fits Standard 4" I.D. Round Trailer Coupler Tube  16" EXTENSION (SKU: 00-SB116)Fits Standard 4" I.D. Round Trailer Coupler Tube 16" EXTENSION (SKU: 00-SB116)
Fits Standard 4" I.D. Square Trailer Coupler Tube    16" EXTENSION (FREE SHIPPING) (SKU: 00-SB316)Fits Standard 4" I.D. Square Trailer Coupler Tube 16" EXTENSION (FREE SHIPPING) (SKU: 00-SB316)
Fits Standard 4- 1/2" I.D. Square Trailer Coupler Tube  16" EXTENSION (SKU: 00-SB216)Fits Standard 4- 1/2" I.D. Square Trailer Coupler Tube 16" EXTENSION (SKU: 00-SB216)
Goose Inner Tube - Bulldog,  2 5/16”  Adjustable Round Inner Tube Only (4” O.D.) (SKU: 6750192*)Goose Inner Tube - Bulldog, 2 5/16” Adjustable Round Inner Tube Only (4” O.D.) (SKU: 6750192*)
Goose Outer Tube - POPUP, 2 5/16” Adjustable Round Outer Tube Only (4.5” O.D.) X 24" (SKU: T4RRT)
Gooseneck Cushion Coupler for 2 5/16" Ball Fits 4" Standard RND Tube (SKU: 00-CC2)Gooseneck Cushion Coupler for 2 5/16" Ball Fits 4" Standard RND Tube (SKU: 00-CC2)
PopUp Brand PREMIUM Gooseneck Weldable Coupler  2 5/16" (SKU: 00-GN8)PopUp Brand PREMIUM Gooseneck Weldable Coupler 2 5/16" (SKU: 00-GN8)
PopUp Brand PREMIUM Gooseneck Weldable Coupler  2 5/16" Kit (SKU: 00-GN8A)PopUp Brand PREMIUM Gooseneck Weldable Coupler 2 5/16" Kit (SKU: 00-GN8A)
ROUND TUBE (4" RND) EXTENDED KING PIN COUPLER    9" EXTENSION (FREE SHIPPING) (SKU: 00-SB5)ROUND TUBE (4" RND) EXTENDED KING PIN COUPLER 9" EXTENSION (FREE SHIPPING) (SKU: 00-SB5)ROUND TUBE (4" RND) EXTENDED COUPLER 9"
SQUARE TUBE (4 ")  EXTENDED KING PIN COUPLER    9" EXTENSION(FREE SHIPPING) (SKU: 00-SB7)SQUARE TUBE (4 ") EXTENDED KING PIN COUPLER 9" EXTENSION(FREE SHIPPING) (SKU: 00-SB7)
SQUARE TUBE (4 1/2")  EXTENDED KING PIN COUPLER    9" EXTENSION(FREE SHIPPING) (SKU: 00-SB6)SQUARE TUBE (4 1/2") EXTENDED KING PIN COUPLER 9" EXTENSION(FREE SHIPPING) (SKU: 00-SB6)
Standard 4" I.D. Round Trailer Coupler Tube  2 5/16" Coupler(FREE SHIPPING) (SKU: 00-GN1)Standard 4" I.D. Round Trailer Coupler Tube 2 5/16" Coupler(FREE SHIPPING) (SKU: 00-GN1)
Standard 4" O.D. Round Trailer Coupler Tube  King Pin (SKU: 2085205)Standard 4" O.D. Round Trailer Coupler Tube King Pin (SKU: 2085205)
Standard 4" O.D. Round Trailer Coupler Tube  King Pin (SKU: 00-GN5)Standard 4" O.D. Round Trailer Coupler Tube King Pin (SKU: 00-GN5)

Gooseneck Couplers       

   

The cone shaped bottom plate guides ball into without being lined-up directly over the ball.  Forged steel top plate for extra strength and wear.
4 1/2” O.D. Outer Pipe / 4” O.D. Inner Pipe 28” Collapsed / 38” Extended

 

Part #

Description

19-130

2 5/16” Adjustable Round Coupler (25K)

19-130-C

2 5/16” Adjustable Round Coupler (25K) WCAP

19-131

2 5/16” Adjustable Round Coupler (30K)

19-135

2 5/16” Adjustable Square Coupler (25K)

19-136

2 5/16” Adjustable Square Coupler (30K)

 

 

T.E.M. load leveling coupler for gooseneck trailers.  Forged steel top plate.  Automatic closing, cast ductile iron bottom plate. Safety set screw.

4 1/2” Square Outer Tubing / 4” Square Inner Tubing
30” Collapsed / 38” Extended

 

Part #

Description

19-310

2 5/16” Adjustable Square Coupler (20K) - Auto Lock Head

19-137

2 5/16” Adjustable Square Coupler (20K) - Standard Head

19-138

2 5/16” Adjustable Square Coupler (30K) - Standard Head

 



BULLDOG gooseneck couplers are quick and easy to engage and strong and secure on the road. The unique, patented, extruded locking plate design and high strength steel components make BULLDOG gooseneck couplers strong and durable.

4.5" O.D. Outer Tube / 4" O.D. Inner Tube
Overall Height: 29.50” / Adjustment 11.00”

 

Part #

Description

19-150

2 5/16”  Non-Adjustable Round Coupler (20K) - 34” Height

19-155

2 5/16”  Adjustable Round Coupler (20K)

19-155-1

2 5/16”  Adjustable Round Inner Tube Only (4” O.D.)

19-155-2

2 5/16”  Adjustable Round Outer Tube Only (4.5” O.D.)

 


 



  • Easy-grip locking handle is accessible from any position
  • Self-centering locking plate lets you miss the ball by more than an inch
  • Tight ball fit reduces jarring when changing speeds or on rough roads
  • User-friendly design enables quick, easy hookup and release
  • Locking handle cover protects working parts
  • Cam locking pin affords easy vertical adjustment

    4.5" O.D. Outer Tube / 4" O.D. Inner Tube
    Overall Height 42.25” / Adjustment 10.5”
  

Part #

Description

19-156

2 5/16”  Adjustable Square Coupler (20K)

 


 



  •  7” Vertical adjustability with ease, outer and inner tubes telescope with tighter tolerances
  • 1 1/4” - 6 ACME screw for superior strength
  • 3/4” diameter set screw in front for easy access
  • Topwind crack folds out of way for clearance during travel
  • Exceeds upcoming SAE gooseneck standard (SAE J2638) 30,000 lbs. GTW.
  

Part #

Description

19-157

Top Wind Adjustable Square Coupler (30K)


   

Gooseneck Head Sets

 

 

Auto-Locking Head, 24K lbs. Rating, Designed for 2 5/16” ball.

  

Part #

Description

19-300

2 5/16” Head Set Assembly (24K)

 


 



 

Part #

Description

19-132

2 5/16” Head Set Assembly (20K)

19-133

5/16” Head Set Assembly (30K)

 

 

 

   

Designed to mount on a 4” OD pipe and fit over a 2 5/16” ball 30,000 lbs. capacity.

  

Part #

Description

19-460

Versatile Gooseneck Coupler GN-2516 (30K)

 




 

Kit includes coupler assembly, locking pin assembly, locking pin cover, BULLDOG label and warning label.  20K lbs. Rating,  Fits 2 5/16” ball.

  

Part #

Description

19-440

2 5/16” Head Set Assembly(20K)

   

Gooseneck King Pin Inserts




 

This is a perfect unit to convert your standard gooseneck coupler to a king pin without any cutting and welding.  Simply drop out the 2 5/16” pipe and slide in the king pin pipe.

  

Part #

Description

19-GN5

4” Round Insert with King Pin  (30K)

19-GN7

4” Square Insert with King Pin  (30K)

  19-GN6                           4 1/2" Square Insert with King Pin (30K)

 

 


 

 

 

Part #

Description

28-700

QS Pro-Eagle 5th Wheel 15K

 




 

 

King Pins

   

The Buyers King Pins are forged from AISI 8630 steel and heat treated to create and maintain a hardness of 302-363 BHN (this makes them easier to weld)

 

Part #

Description

19-500

2” SAE King Pin (Weld On)

 


 
Part # Description
16-585 B&W Fifth Wheel Companion
16-586 B&W Fifth Wheel Companion - Flat Beds
16-599 B&W Ball Corner Plate
16-595 B&W Bolt Kit For Safety Chains

 

 

 

 

 

 

 

 

 

 

Converter

Converter

 

 

.

Designed so you can convert your fifth wheel trailer from a 2" king pin to a 2 5/16" ball allowing you to use one hitch to pull both trailers (gooseneck or fifth wheel).  
 
Part # Description Ref # Mfg #
19-720 Fifth Wheel Trailer Adapter 190690 FG205
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