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Drotto Bunk Trailer Install

Video of the Drotto Bunk Trailer Install .

In this Drotto Bunk Trailer Install video we demonstrate how to install the Drotto boat latch on a bunk trailer. The Drotto boat latch is designed to replace the bow roller of your bunk trailer or roller trailer. There are many models and styles and variations of bow roller setups. Our Drotto boat latch is designed to replace your bow roller according to size. The 3″ model replaces your 3″ bow roller and the 3 3/4″ model is designed to replace a bow roller between 3 3/4″ and 4″ ( just add spacers or washers for larger rollers). The Drotto Bunk Trailer Install is simple in most cases. See below for further details on the Drotto Bunk Trailer Install process.

Step 1 

Locate the bow roller on your trailer. Here are only a few examples of bow roller setups below.

There are a number of different trailers. BUNK trailers and ROLLER trailers. The Drotto boat latch works on both styles of trailers. There are also a number of different bow rollers. The Drotto boat latch is designed to fit on the 3″, 3 3/4″ – 4″. refer to the “Drotto Boat Latch Sizes page” to learn how to measure your bow roller.

trailer bow roller
Drotto boat latch bumper replacement
bow-roller-ex

Step 2

Release the boat into the water. It is hard to move a boat on a bunk trailer, therefore we suggest simply launching the boat into the water.

Bunk trailer installation Drotto

Step 3 

Remove the single bolt holding the front roller on the trailer and remove the roller. Once roller is removed, replace it with the latch. Tighten the bolt snug, but not fully tight yet. Keep slightly loose so the latch can move just a little.

drotto remove roller
drotto installation bunk

Step 4 

Drive the boat back up onto the trailer. Pull into the latch just above idle until you hear the click. Once you hear the click you know the latch has secured and locked the boat to the trailer.

drive on drotto latch

Step 5 

Pull forward into the dry water’s edge and tighten the bolt for a secure fit. (Please note the latch should be able to pivot slightly when you apply force, but do NOT leave floppy loose.)

tighten drotto latch

Double Roller Bow Stop Install

drotto compatability

Here is a good visual if you have a double roller bow stop. In this version, simply remove the top roller, install the latch in place of the top roller and adjust the winch arm to line up the bow eye with the latching system. Another option is to remove the double bow stop completely and install the latch directly to the winch post.

Drotto Bunk Trailer Install Overview

It’s that easy to install the Drotto boat latch. This entire install process can be done in just a few minutes. If you have any questions concerning a Drotto Bunk Trailer Install of the boat2trailer product please feel free to email info@boat2trailer.com or refer to our other installation videos.
Boat2Trailer Compatibility
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Drotto Boat Latch Tips



Tarp Buddy
Paul Ingebritson
Paul Ingebritson
18:13 07 Nov 19
Best thing I ever purchased. It works just like the add said it would. Easy off and easy on. Can load and unload by yourself which is important to me
brian edelstein
brian edelstein
01:13 21 Oct 19
Installed it this week and finally got to try it today. Works awesome. I usually have people with me to help so I placed the lever against my winch handle and turned it putting pressure on release handle. It let the boat slide off perfect while they held my lines. When I returned for the day I drove it on slowly and as soon as it hit the latch it locked it on. Very impressed so far. I have a SeaVee 260B. I was a little concerned being that all the videos showed lighter boats. Happy Customer.
Tony Caldwell
Tony Caldwell
00:53 14 Oct 19
Less time on the loading ramp and no wet feet
Brandon Maxwell
Brandon Maxwell
20:17 13 Oct 19
One of the best additions to my boat. Installed in less than 20 minutes. Time will be the true test. So far so good. Works great. Bit of a learning curve on trailer depth.
Donna Murtha
Donna Murtha
16:29 02 Oct 19
Easy on easy off. Works great 😃
Dave Bourdeaux
Dave Bourdeaux
19:45 17 Sep 19
I have only used it once but I loaded up and she snapped right in place and then away we went. No more cranking that heavy boat up.
Tom Sangren
Tom Sangren
21:07 13 Sep 19
Gary Cash
Gary Cash
23:25 12 Sep 19
I bought this last year and have loaded and unloaded my boat maybe 50 times since installing it. I am happy with it overall but I do have too mention to make sure you hook a safety chain to the boat before you pull up from the landing. I seriously wrecked my prop and lower unit because it didn’t lock. This unit has failed to lock on four other occasions. As long as I attached the safety chain on before I pull up the landing, I feel safe. Other than that, I am very happy with the unit. It does leave white markings on the front of the boat when you drive up to lock it.
Steven Abernathy
Steven Abernathy
19:40 11 Sep 19
I absolutely love mine I fish the Mississippi and Ohio River a lot by myself I do not know how I ever did it without it especially in strong currents great product recommend it to anyone 🎣🎣🎣
john mcdavid
john mcdavid
15:38 10 Sep 19
Scott Lewis
Scott Lewis
14:34 10 Sep 19
George Kane
George Kane
13:04 24 Aug 19
I bought one after seeing it at the boat show. Of course I was skeptical at first because everyone says their instrument is the best thing since sliced bread. This time I am thrilled with this purchase it is the best. My friends are jealous and have been taking videos. I will never own another boat trailer that does not have this attached. I am amazed that manufacturers don’t offer to put it on your trailer when you order your boat. That’s not a big problem though it took less than 5 minutes to install and adjust.
Bill West
Bill West
21:40 06 Aug 19
Able to retrieve my boat and keep my feet dry. No more climbing out on the trailer tongue. These should be on every boat trailer!
Rick Ostrander
Rick Ostrander
01:35 05 Aug 19
Hooked the Drotto Boat Latch up today at the lake. Took about 5 minutes. Came off the lake and it worked perfectly. Great investment.
Dane Rolloff
Dane Rolloff
00:12 31 Jul 19
Too easy to install, awesome product!