How to Determine Trailer Fit

Boat Trailer Fitment Guide

This legacy 411Marine guide explains the basic measurements needed to help match a boat to the correct trailer. Boat length, beam, transom-to-bow-eye measurement, loaded weight, motor setup, and ramp conditions all affect trailer fitment.

For current EZ Loader trailer fitment help, use the updated boat trailer measurement form on EZLoaderTrailers411.com. The form helps us review your boat length, beam, bow eye location, transom measurement, motor setup, loaded weight, and ramp use before recommending a trailer.

Open the Boat Trailer Measurement Form

Determine the Proper Trailer Size for your Vessel

alt="Jet ski side view showing transom drain plug location for boat trailer fitment measurement"

Transom Drain Plug : Plugs in the lower rear transom area that when removed will drain excess water from the boat after the boat is out of the water on the trailer.

alt="Boat trailer fitment diagram showing bow eye measurement for winch stand placement"

Bow (D-Ring) Eye Length : Measurement taken from the transom to the bow eye for purpose of determining trailer length and winch stand placement

Length

Determine the Overall Length ie: (OAL) and “D” Ring to “Drain Plug”

Boat top view showing beam measurement at the widest point for trailer fitment

Beam
Measure the boat at its widest point. Beam affects trailer width, bunk spacing, fender clearance, and loading position.

How to Determine Trailer Fit

Boat Trailer Fitment Guide

Determine the Proper Trailer Size for your Vessel

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