40K Gooseneck Coupler (Square Tube) 3″ Ball Pocket


  • RAM Gooseneck couplers feature an exclusive one piece cast head design with a curved internal ball clamp bar for greater strength and better fit
  • Hidden spring latch mechanism within casting for ease of use and protection of moving parts
  • 40K square tube design features two welded belly bands on bottom of outer tube for superior strength
  • Reinforced inner tube for added strength
  • Includes two set screws as well as two load bearing pins to meet SAE J2638 standard
  • Three position adjustability with total adjustment of 5.33″
  • Lanyard pin design to lock ball clamp in place
  • Trailer gusset design must meet RAM specifications (see installation instructions is support section of this website)
  • GCSQ-40000 40,000 lb capacity, 3″ ball pocket, 4.5″ outer tube, 29″ retracted height, raw finish
  • 40K King Pin insert also available special order (KP5G-Q40IP)
  • Installation Instructions

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