How Long Should My Boat Trailer Be?

by | Last updated on January 24, 2024

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Length should be measured from the farthest point at the bow to the end of the hull’s running surface. In general, trailers are typically

about two feet longer than the boat itself.

How long is a normal boat trailer?

Maximum allowed trailer length varies state-to-state, from

30 feet to 60 feet

. States also stipulate the combined length of the tow vehicle and trailer, which ranges from 50 to 85 feet. If your rig is over-length, you may still be able to tow with an over-size load permit and some restrictions.

How do you determine the length of a boat trailer?

Measure

with a measuring tape along the center line of the trailer

, the distance from the front of the hitch to the center of the back rail of the frame of the trailer. Your boat needs to fit within the space afforded by the trailer.

How long should my boat trailer bunks be?

Ideally, the bunk boards should be

at least half as long as your boat and run from the stern

(or a few inches beyond it) to the bow as far forward as you like.

How should my boat sit on the trailer?

A. Set boat on trailer

while maintaining no less than 2′′ gap between keel and tongue plate cover

. The end of the bunks/rollers should be flush with transom and the boweye should reach the winch post. If this is so, the rear pivot should remain in the A-position.

Why are boat trailers so expensive?

Factors such as weight capacity, size, accessories such as

brakes

, and material (steel, aluminum, galvanized metal, painted) and more influence the price. Different manufacturers also offer single axle boat trailers at different prices. One such type from Continental Trailers costs $1,595.

What are boat trailer ratings based on?

Federal law requires that a trailer display its

GVWR (Gross Vehicle Weight Rating)

, which is the total weight the trailer is rated to carry, including the boat, engine, gasoline (six pounds per gallon), water (eight pounds per gallon) and gear.

Should boat trailer bunks be level?

1. The general rule of thumb is to

adjust either rollers or bunks as low as possible

and still keep the boat free of fenders and or the road. In particular the stern bunk adjustment normally will always be lower than the bow bunk adjustment.

How long should pontoon bunks be?

There isn’t an exact length of bunk boards that are required for pontoon boat bunks but in general around

75 percent of the length of the boat should be the length of the pontoons

and you’ll be good. So for a pontoon boat that measures 16 feet your best bunk length would be right at 12 feet.

Should boat rest on bow roller?

Lazy Daze Well-Known Member TECHNICAL Contributor.

The bow eye should generally be below a bow roller

so when you pull the boat fully onto the trailer, the bow eye snugs up underneath the roller. This helps to lock the bow into position and keep it from bouncing.

Where should you attach a self centering roller on a boat trailer?

In regards to installation, these will need to be installed

towards the stern of the boat, in the center of the trailer

. This would be the only place that would allow them to effectively center your boat on the trailer.

Should boat rest keel roller?

Lazy Daze Well-Known Member TECHNICAL Contributor.

The bow eye should generally be below a bow roller

so when you pull the boat fully onto the trailer, the bow eye snugs up underneath the roller. This helps to lock the bow into position and keep it from bouncing.

Is there a Kelley Blue Book for boat trailers?

So let’s establish this up front:

There are no Kelley Blue Book® Values for boats

, unless it’s a personal watercraft.

How much is a boat trailer worth?

The cost of a boat trailer can range from

$500 to over $10,000

. The price depends on the materials, size, carrying weight, and design. We are going to give some examples of different types of common boat trailers. A single-axle boat trailer can cost anywhere from $700 to over $4,000.

Do new boats come with trailers?

And often with smaller boats,

trailers will be included in a boat-motor-trailer “package” price

. But forget about money for just one second, because with a trailer you can head off to new ports and experience different adventures on various waterways as you please—an ability that many people would consider priceless.

David Evans
Author
David Evans
David is a seasoned automotive enthusiast. He is a graduate of Mechanical Engineering and has a passion for all things related to cars and vehicles. With his extensive knowledge of cars and other vehicles, David is an authority in the industry.