At that point you could be getting to wide depending on the manufacture.
What is the biggest trailerable sailboat. However your truck has to be up for the task. With an 85 beam. A trailer sailer is a type of sailboat that has been designed to be easily transported using a road trailer towed by an automobileThey are generally larger than a sailing dinghy.
These will most likely fall in the 25-28 range. Trailer sailers are used for both racing and recreation and are popular with small families and retirees. Its a racer that was designed to be trailered to races at locations far from home waters.
The worlds favorite trailerable trimaran builder suited to day sailing family cruising and racing. If you have a deck stepped mast it usually not terribly hard to step the mast providing you have enough help. 26 is the practical limit for a truck and ramp.
Catalina has long been the largest All-American family cruiser company building what sailors might call standard boats. For example a Ford F150 has a tow rating of 5500 kgs and a Dodge Ram 25067 l Cummins diesel has a capacity of 8155 kgs. The company currently builds 1000 trailerboats a year in Australia in cruising fishing and now ski genres.
The best and largest trailerable sailboats are the Cal 20 the Catalina 22 the ODay 240 The Islander 24 the Moore 24 the Cal 25 the Helms 25 the MacGregor 26 and the NorSea 27. With excellent sailing characteristics shallow draft and. Billed as a trailerable pocket cruiser the Montgomery 17 is a stout-looking sloop designed by Lyle Hess and built out of fiberglass in Ontario California by Montgomery Boats.
In building such a large trailerable vessel weight was perhaps the major issue. The largest reletively easily trailerable cruiser would probably be a Sea Ray Wellcraft Bayliner. Only 8 foot beam and a retractable keel.