SB312 is a 12 inch extended gooseneck trailer coupler with a 4 inch Square trailer Stem.
SB312 Extended gooseneck trailer coupler with a 12 inch extension and a 4 inch Square trailer stem.
All extended gooseneck trailer couplers are fitted with premium “self-latching gooseneck trailer couplers” for the standard 2-5/16 gooseneck ball. These couplers latch when the trailer is lowered onto the ball. To uncouple, you simply pull a release cable located near the trailer jack handle. The couplers have a molded hitching guide for easy coupling. The couplers are precision cast of Chrome Vanadium Steel with a Stainless steel latching pin and a stainless steel spring. The couplers carry a V19 rating of 28,000 pounds and was tested to 42,000 pounds to gain this rating.
Ships UPS or FedEx the same business day if your order is received before noon central Standard time. Free shipping to the lower 48 States.