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.)

Bulldog

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)