How much does a boat trailer cost?

This is the whole page. A published hull weight is an honest measurement of a bare hull, and a bare hull is not what goes down a ramp. What goes down the ramp has an outboard on the transom, a tank of fuel, a battery or two, an anchor and rode, safety gear, a cooler and whatever lives in the lockers, and at our defaults that is 500 lb on top of an 1,800 lb hull, so the trailer is carrying 2,300 lb rather than the figure in the brochure. Size a trailer against the brochure and you have bought a unit that is at or past its plate before you leave the ramp, which is a problem for the axle, the bearings, the tyres and your insurer in roughly that order. The fix costs nothing: add the aboard weight honestly, round up when you are unsure, and check the result against the trailer's plate before you buy rather than after. Better still, if the boat is already on a trailer, take the whole rig over a weighbridge and subtract the trailer's empty weight, because one ticket settles the question that a brochure and a set of assumptions only argue about.

Every other trailer on this site spends its life on tarmac. This one gets reversed into a lake or an ocean dozens of times a year, and each launch puts hot bearings and hot brake components into cold water, which draws water in past a seal rather than keeping it out. In fresh water that is a maintenance rhythm. In salt it is the difference between owning this trailer for a long time and buying another one, and it is why the specification of the frame is worth more attention than the price gap between two units suggests. Galvanised or aluminium rather than painted steel is most of the line, and it is charged as a difference between trailers rather than as an accessory you can add later, so compare specifications when you compare prices. Bearing protectors or sealed hubs, submersible lights, sealed wiring and a freshwater flush after a salt launch are the rest, and they are inexpensive against what they prevent. If you launch only in fresh water, write this line low with a clear conscience.

The page prints how much of the trailer's rating your loaded boat uses, and that figure is useful for a glance, but the pounds left over are what you should act on. A trailer sitting near its plate is not illegal and it is not automatically unsafe, but it has nothing in reserve for the things that arrive later: a bigger outboard, a full tank rather than a half one, a second battery, a summer's worth of gear that never comes out of the lockers, or a hull that has taken on water you have not noticed. At our defaults there is 700 lb of headroom on a 3,000 lb plate, which is comfortable. Headroom that has gone negative is not a warning to tow gently, it is a trailer that does not match the boat, and the answer is a different trailer rather than a lighter cooler. Remember too that a trailer is limited by whichever of its ratings is smallest, so an axle or a tyre rating below the frame's rating is the real ceiling.

It is also the figure a buyer comparing a used trailer against a new one would most like printed, so it is worth saying plainly why it is absent. Boat trailers diverge more sharply than most equipment does, and they diverge for one reason: a galvanised trailer that has only seen fresh water and a painted one that has been launched in salt every weekend are not the same asset at five years old even if they left the same lot on the same day. A single resale figure across both would be read as a fact and then used to justify a purchase, and we have measured neither case. If you want the number, look at what trailers of that size and specification are actually selling for in your own area, weight the answer by whether they have lived in salt, and inspect the frame, the welds and the wiring on the specific unit in front of you rather than trusting an average. On a used trailer, the condition of the hubs and the wiring tells you more about what it will cost you than the asking price does.

It depends on the trailer, the boat it has to carry and where you launch it, which is why this page adds up your own figures rather than quoting one. The purchase is the trailer's negotiated price, sales tax, and the title and plate. Then there is what a trailer that gets put in water actually needs: the corrosion specification, brakes and sealed lights and wiring, and the bunks, winch strap, tie-downs and spare wheel that make it fit your hull and hold the boat on the road. At our defaults that comes to $4,376 out the door, and every one of those defaults is ours and editable. The more important output is the pair of numbers beside it: at our defaults the boat weighs 2,300 lb loaded against a 3,000 lb plate, leaving 700 lb of headroom. Put your own figures in the form above.

One rated comfortably above your boat's loaded weight, which is the hull plus everything that travels with it, rather than above the dry hull weight in the brochure. Add the outboard, a full tank of fuel, the batteries, the anchor and rode, safety gear, the cooler and the tackle, and any water in the bilge, then compare that figure to the capacity on the trailer's own plate. Read the plate carefully, because some state a gross rating that includes the trailer's own weight and some state a carrying capacity that does not, and the two differ by several hundred pounds. Check the axle and tyre ratings as well, since a trailer is limited by whichever of its ratings is smallest. Leave real headroom rather than sitting on the number, because a bigger motor, a fuller tank and a season of accumulated gear all arrive later, and a trailer with nothing in reserve is one upgrade away from being the wrong trailer.

In salt water, yes, and it is the least difficult decision on this page. Every launch puts hot hubs and brake parts into cold water, and salt turns that from a maintenance rhythm into a countdown on a painted steel frame, on the fasteners, on the brake components and on the wiring. The price gap between specifications is charged as a difference between two trailers rather than as an accessory you can add afterwards, which is the reason to decide it while you are shopping rather than later. In fresh water the case is weaker and a painted steel trailer that is rinsed and stored dry can have a long life, so the honest answer there is that it depends on how you store it and how disciplined you are. Whichever you buy, the smaller items around it matter more than their price suggests: bearing protectors or sealed hubs, submersible lights, sealed wiring, and a freshwater rinse after a salt launch.

It can be a good buy, and it is worth inspecting rather than trusting, because on a trailer that has been in water the asking price tells you far less than the condition does. Look at the frame and particularly the welds and the crossmembers for rust that has gone beyond surface staining, and look underneath rather than at the top rail. Pull a hub and look at a bearing, since bearings are where salt does its work quietly, and check the wiring for green corrosion at the connectors, which is a full harness rather than a repair. Confirm the capacity plate is still on the tongue and legible, because a trailer with an unknown rating is a trailer you cannot size against your boat. Check the tyres by their date code rather than by tread, since trailer tyres age out first. Then run this page twice: a used trailer with a lower price and a higher corrosion and wiring line can land close to a new one, and the comparison is worth seeing as a total rather than as two asking prices.