Trailer Parts & Accessories

BullDog Gooseneck 4" Round Coupler to 5th Wheel King Pin, 2-5/16 Ball, 25,000 Lbs, 0289640300 Availability: Shipping Required

Allows gooseneck trailer to be towed with vehicles equipped with a fifth wheel hitch
Feature dual set bolts
Round model features exclusive load bearing pin
Square model features load bearing pinch bolt
Available with or without outer tube

$209.95

PopUp GN5 Gooseneck Round 4" to 5th Wheel King Pin, 30,000lbs Availability: Ship or Pick up at Miami Store

Convert your Gooseneck to a fifth wheel King Pin

Pull your gooseneck trailer with a semi-tractor or pickup mounted fifth wheel.

Simply replace the coupler with a king pin. Easily switch back and forth.

2″ SAE king pins are the industry standard and are suitable for use in all over-the-road applications.

$267.44

PopUp SB5 Gooseneck Round 4", 9" Off Set to 5th Wheel King Pin, 24,000lbs Availability: Shipping Required

Convert your Gooseneck to a fifth wheel King Pin with an Offset

Pull your gooseneck trailer with a semi-tractor or pickup mounted fifth wheel.

Simply replace the coupler with a king pin. Easily switch back and forth.

2″ SAE king pins are the industry standard and are suitable for use in all over-the-road applications.

$369.95