Parts for sale . browsing 76 - 100 of 693 listings. 24,000lb gvwr combination aluminum and steel gooseneck boat trailer that we custom built for a formula 400 ss.. ... why no gooseneck boat trailers ? aluminum join date dec 2012 location notice the garage sale sign?. 40' aluminum gooseneck trailer loaded with options and features including 7,000 lb. dexter axles, 40' intech aluminum gooseneck trailer . terms of sale;.