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Straight Couplers


  • Meet or exceed SAE, VESC V-5 and CSA strength requirements
  • Die-formed from heavy-gauge steel & 2", 2 1/2" or 3" channel widths
  • Proven quality and secure latching for SAE Class I, II, and III-rated trailers
  • Quick-locking handle/underjaw design, trigger-action "hook-up" or "release"
  • Factory-adjusted to correct ball size & heat-treated load plate 
    Part #
    Description
    18-520 1 7/8“ X 2” Coupler, 2K, Oiled
    18-520-1 1 7/8“ X 2” Coupler, 2K, Zinc
    18-525-1 1 7/8“ X 2 1/2“ Coupler, 2K, Zinc
    18-530-1 1 7/8“ X 3” Coupler, 2K, Zinc
    18-610 2” x 2” Coupler 3.5K, Oiled
    18-610-1 2” x 2” Coupler 3.5K, Zinc
    18-600 2” x 2 1/2“ Coupler 3.5K, Oiled
    18-600-1 2” x 2 1/2“ Coupler 3.5K, Zinc
    18-630 2” x 3” Coupler 3.5K, Oiled
    18-630-1 2” x 3” Coupler 3.5K, Zinc
    18-630-5 2” ”Coupler 3.5K, Oiled - 5000 lbs.

  • Shelby Coupler Repair Kits

    Shelby Coupler Repair Kits
     Should the original handle or ball clamp assembly become damaged, avoid hassle and undue expense with a Shelby Posi-Lock coupler repair kit. Fix-it-yourself kits are easy to install and come complete with instructions and operator diagrams. Use with Shelby or Valley couplers only.
    Part #
    Description
    18-521 1 7/8” Coupler Repair Kit
    (Straight Shelby Couplers)
    18-601 2” Coupler Repair Kit
    (Straight Shelby Couplers)

    Atwood Straight Coupler

    Like all Atwood couplers, Straight Tongue Couplers are manufactured in the U.S.A. and offer high quality, secure latching for S.A.E. class 2, 3 and 4 rated trailers. They are die formed from heavy gauge steel for added durability and strength. Atwood straight-tongue couplers are designed for a variety of applications that include bolt-on or weld-on.

    Part #
    Description
    18-650 2” x 3” Coupler 5K Painted (weld-on)
    18-652 2” x 3” Coupler 3.5K Painted (bolt-on)

    Bulldog Straight Couplers

    Forged steel components, tight ball grip, automatic slack adjustment & hinged ball socket.

    Part #
    Description
    18-370 2 5/16” x 3” Adjustable Cast Coupler
    18-420 2” x 3” Coupler 5K Painted
    18-421 2 5/16” x 3” Coupler 12.5K Painted
    18-407 Latch Handle
    18-407-1 Latch Wire
    18-407-2 Jaw Spring

    Titan Straight & AdjustableCouplers
     

    Weld-On version designed to fit a 3” wide tongue.
    Part #
    Description
    18-660 2 5/16” x 3” Coupler, Weld-On, Painted (20K)
    21-302 2 5/16” x 3” Coupler, Bolt-On, Painted (12K)
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