How Wide Is a Boat Trailer?

For every boater, there is a need for a trailer to transport the boat. This is not only convenient for storing the boat but also for cleaning and maintaining it. Before buying a trailer, it is vital to know the width of the boat trailer, which will help us to choose the right one.

In the United States, most boat trailers are 8.5 feet wide. However, in Hawaii, New Jersey, or New York, boat trailers are usually 10 feet wide.

boat trailer width

However, understanding the width of a boat trailer is essential to choosing a more suitable boat trailer, so read on for a complete guide to boat trailer selection.

The Intended Use of the Boat

The width of a boat trailer depends on two main things: your intentions and local regulations. The purpose of the boat can usually be categorized as follows:

  • Offshore boating or fishing
  • Deep sea boating or fishing
  • Water sports
  • Boat trips or water cruises

Knowing your intended intentions will enable you to make a better choice of boat trailer.

Offshore boating or fishing

Typical Dimensions of the Boat

Smaller boats, or marine vessels up to 20 feet in length, are usually 8 feet wide. Therefore, a boat trailer of 8.5 feet in width is adequate.

If you intend to use the boat for freshwater fishing or hunting, then you will usually need to use a compact boat. The width of the boat trailer can be chosen to be around 7 feet.

If you intend to use the boat for bay boating, then a larger boat over 20 feet is the best option. You can choose a boat trailer that is 8.5 feet wide, or 10 feet wide, depending on local regulations.

Boat trailer size chart

Single Axle Bunk

Boat Length
Width Between Fenders
Overall Width
Weight Capacity
14 – 16 ft
4 ft
5.17 ft
1,000 kg
14 – 15 ft
4 ft
5.17 ft
1,300 kg
15 – 16 ft
5 ft
6.5 ft
1,500 kg
16 – 17 ft
5.59 ft
7 ft
1,800 kg
16 – 17 ft
5.59 ft
7 ft
2,000 kg
17 – 18 ft
5.59 ft
7 ft
2,200 kg
17 – 18.5 ft
5.59 ft
7 ft
2,400 kg
18 – 19 ft
7 ft
8.5 ft
2,600 kg
19 – 20 ft
7 ft
8.5 ft
2,800 kg
20 – 21 ft
7 ft
8.5 ft
2,800 kg
18 – 20 ft
7 ft
8.5 ft
3,000 kg
20 – 21 ft
7 ft
8.5 ft
3,100 kg
20 – 21 ft
7 ft
8.5 ft
3,300 kg

Tandem Axle Bank

Boat Length
Width Between Fenders
Overall Width
Weight Capacity
18 – 20 ft
7 ft
8.5 ft
3,600 lb
21 – 23 ft
7 ft
8.5 ft
3,700 lb
21 – 23 ft
7 ft
8.5 ft
4,200 lb
21 – 23 ft
7 ft
8.5 ft
4,700 lb
21 – 23 ft
7 ft
8.5 ft
5,200 lb
21 – 23 ft
7 ft
8.5 ft
5,600 lb
24 – 25 ft
7 ft
8.5 ft
5,900 lb
25 – 26 ft
7 ft
8.5 ft
6,400 lb
25 – 27 ft
7 ft
8.5 ft
7,400 lb
25 – 27 ft
7 ft
8.5 ft
7,900 lb

1 thought on “How Wide Is a Boat Trailer?”

  1. It’s interesting to know that we’d consider our local regulations before buying a boat trailer. I heard that my cousin and uncle are buying a boat in a few weeks, so I think they’d benefit from reading your trailer tips. I appreciate your information on choosing a boat trailer with the right width to match your sailing needs.

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