Keep your small boat centered during the loading process, despite wind and waves, with these bunk-board-style guide-ons. With the very large selection of items from Etrailer, and the high quality, I won't go anywhere else. Great product -- these guides make it SOOOO much easier to load my boat, especially when I'm alone.
I have a small frame Tracker trailer and the mounting hardware is to large for the frame channels. Pre-Galvanized SteelPre-galvanized steel parts are stamped from a sheet of steel after it has already been galvanized. I painted these first and then put the pvc tubes on and then installed them on the trailer. The picture shown above has the bracket mounted backwards from the instructions in the package. Bunk board mounts to your boat trailer's tongue and supports the bow of your johnboat or flat-bottom boat. We make sure that the products we sell are what we say they are, and that they work the way they are supposed to work. Because we take providing accurate product information seriously, we take our own detailed product photos, demo videos and installation videos, as well as verify measurements, instructions, and vehicle fit information.
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D-L roller bunks provide a quick, easy, and inexpensive way to upgrade bunk-style trailers to rollers. The rollers are to support a 14-foot flat-bottom jon boat, with no weight of a gas motor on the transom. Knowing that when launching the boat it would quickly roll off the trailer, I attached a cleat to the winch stand to temporarily secure the bow rope when I unhook the winch strap. I see that they now offer powder coated epoxy plain steel versions of the same roller bunks, but my experience with powder coated epoxy in salt water says - it's equally problematic - if not more so than my galv. If the designer was moderately competent he would have used extruded fiberglass rails instead of steel.
If you are only going to use them in fresh water and then store your boat indoors - maybe you'll get a longer life span. It did cause the boat to sit higher on the trailer and now it doesn't winch up properly to the front rubber keel wheel. I'm curious how well these will hold up to salt water with regular fresh water rinses afterwards. I easily mounted the bars on top of my bunks and then readjusted the center rollers higher.
I would recommend these rollers as trailer improvement to everyone that struggles at the landing with getting their boat on & off! Keep your boat centered during the loading process, despite wind and waves, with these roller-style guide-ons. As the unit mounts under the frame the tru height is less than 21 by the height of the frame. Channel-style roller bunks upgrade your boat trailer's standard bunk boards, allowing for smooth loading and unloading and superior hull protection for your boat. Quick tech tip: before you remove your boards, take a tape measure and get the heighth of your board.
Since the cross members on your trailer are 7 feet apart, I recommend that you keep the existing wood bunks and attach two sets of the CE Smith Roller Bunks for Boat Trailers, # CE27700, to those.
I recommend using two pairs of 5-foot rollers # DL21741 for their higher 3000-lb capacity or the CE Smith 4-footers # CE27700 that you referenced.
They said since you are planning on using 4 bunks instead of 2, the rollers would have no problem with the additional 500 lbs as you described, as long as the weight is distributed evenly on the roller bunks. These roller bunks can be attached to wooden bunks or you may want to use swivel brackets like part # CE10003G-4. Only negative was no instructions on how far to place out guide bunks, but figured it out, 1 in on bow and 2 to 3 inches from stern of .
181456Commentswith salt water use I am replacing my set that I installed almost 5 yrs ago as the rust rot out at the vertical bend where there is a indent, prior to that the bolts that hold the bunks in suffered from wood rotcomment by: D.
D-L roller bunks provide a quick, easy and inexpensive way to upgrade bunk style trailers to rollers. Now if your boat trailer does not have wooden bunks or you want to remove the wooden bunks, you can still use these. We considered several alternatives for a way to easily move our 15' sailboat out of the water, over our bulkhead and across our dock. The rollers are great, BUT it's possible they won't fit over existing wood bunks & brackets. Also, the lakes I fish sometimes have low water levels with unpaved ramps and again roller bunks makes loading and unloading easier. The pre-galvanized steel support posts mount horizontally on top of or below your trailer's frame rail. I had to modify upright brackets and ad a piece of hard wood to make up for the 1.5 x 3'' rails on my trailer. They attach to the rear of your trailer and extend out of the water, providing a visual target to center the boat's pontoons around. The galvanized steel support posts mount horizontally on top of or below your trailer's frame rail.
The edges of the pre-galvanized parts often lose their zinc coating during the stamping process. Product is great and is a exactly what I needed in aiding me with the loading of my 24" tritoon boat. I did receive them in a timely manner,I will save your email and will let you know how they work. Has weather-resistant carpeting and a galvanized steel mounting bracket that adjusts in height and fits trailer frames up to 3" wide. I purchased a used trailer that was for a V-Hull so I needed a little bit extra support for my flat-bottom jon boat and this did the trick.
The boards come in 2 ft, part # CE27850, 3 ft, part # CE27800, 4 ft, part # CE27810, 5 ft, part # CE27820, and 6 ft, part # CE27840.
Our modern installation facilities allow our expert installers and customer service representatives to actually install and use the items we sell, so you can get real advice, from a real person who has the knowledge and expertise needed to solve your problem.

We are prepared to answer any question, give advice, or troubleshoot any problem you come across.
We take the quality of our information seriously so that you can get the right part the first time. Price would be a little more, but functionality and longevity would create much better customer satisfaction. No issues with rust after a season of repeated salt water launching with a subsequent fresh water rinses.
After 36 years of being in the maintenance and fabrication field I can tell that these are of good quality and constructed well. We are on the Bay Of Fundy & drive onto the beach to launch our boat rather than at a proper boat ramp. Have not had time to install but have inspected and looks like it will solve my problems with the shallow ramps I have to deal with.
They attach to the rear of your trailer and extend out of the water, providing visual targets to center the boat between during loading.
I have a 2007 Chaparral 215SSi and these allow me to put the boat in the water by myself but on steep ramps, they get submerged. Instead of sliding on and off your trailer's bunk boards, your boat will smoothly roll. That way when you install your new brackets and rollers you can set it back to the same heighth.
If you want to completely cover the 7 foot bunks you currently have, you can attach a 4 ft roller like part # CE27700, and cut another to cover the 7 ft board. This system includes 2 - 5ft sections with a 3,000 pound weight capacity and offers universal mounts to attach either vertically or horizontally.
These roller bunks are 4 ft long and they can be mounted directly on top of your current wood bunks. You can put rollers such as # DL21741 on the bunks you already have but you will need to make adjustments to position the rollers in the right places. Roller bunks # DL21741 includes two 5-foot long sections that have a combined capacity of 3,000 pounds. Easy to install.Have not had the chance to try loading the boat,But these have got to help. Haven't had a chance to use them yet but I think they will be a tremendous help when loading up on windy days. Each five foot section will have six sets of two rollers so 12 rollers on five foot section and 12 on another one. I was pleasantly surprised to be able to call etrailer on a SUNDAY and find a knowledgeable LIVE body to talk to.
With the Dutton-Lainson roller bunks we offer, you can also get Boat Trailer Roller Bunk Bracket for Dutton-Lainson Roller Bunks, # DL21762, for the pivoting black steel roller bunks, or # DL21742, for the galvanized. Just slide the posts into the boat guide supports and secure the posts so that the distance between the bunks correctly matches the width of your boat. Received updated tracking information from the time of order until the box hit my doorstop. On my trailer, with my small (14 ft) boat, the guides are adjust all the way in, but they're still plenty secure and sturdy. Because of the thinness of the coating less than 1 mm and the fact that the edges remain exposed, pre-galvanized parts can begin to oxidize and rust quickly, so its recommended that they be primed and painted. Whether the post is situated facing outboard or inboard is up to you, so you can mount it in whichever position best suits your trailer setup. And the galvanized steel mounting bracket allows you to attach the bunk anywhere along the tongue of your boat trailer to fit the length of your boat. Each of these bunk boards is a 2 x 4 covered with marine-grade carpet that helps protect the hull of your boat as it is loaded and unloaded. They feature a special non-marking two-compound design rollers, have a durable wear resistant on the inner surface and then a soft-boat cushioning outer surface. Looking at the early rust progress of my roller bunks (even with fresh water wash down) - I doubt that they will last two years. They are surely going to make my life a lot easier to get my 20 foot bowrider boat on and off the trailer.
Just slide the posts into the boat guide supports and secure the posts so that the distance between the rollers correctly matches the width of your boat. For 3-inch wide trailer frames, you would run these u-bolts parallel or side-by-side over the frame.
The rollers themselves, just this center section, that's going to give us an overall length of 9 inches. These are already predrilled to accommodate a mounting bracket, if you want to add some lights to the posts. If something doesn't make sense I'll read the directions because you all have an excellent track record and I realize it's me the installer that doesn't make sense. I am thinking of extending the height a bit to insure the top is out of the water and visible for running the boat onto the trailer. This not only simplifies the process of loading and unloading, but it also protects your boat's hull against scratches. This is a channel style bunk, so it's a heavy duty 12 gauge galvanized steal construction making it amicable for fresh or salt water.
If you do mount the roller bunks to the boards you currently have you will want to make sure your rollers for the bow are adjusted at the proper height to offer support for the boat when loaded. This bunk system can be mounted flat against your current bunks and it is recommended that you match the length of the rollers to the length of the bunks. You can also use the CE Smith Mounting Brackets, # CE10003G-4, if you want to replace the wood bunks with the roller bunks. We offer them in 4-foot and 5-foot lengths that you can see by clicking on the link provided.
Since you said you are needing them for salt water, we recommend rinsing them with fresh water to prolong the life of the rollers. You can also use the CE Smith Mounting Brackets, # CE10003G-4, if you want to replace the wood bunks with the roller bunks. We're going to line up the holes, then after we have that in position we can install our hardware.
I do not know low long it will last in saltwater, it was pregalvanized and not fully galvanized, only time will tell .
Every trailer is different and this product attempts to fit many and does a pretty good job.
These Dutton-Lainson Roller Bunks will provide a quick, easy and inexpensive way to upgrade your bunk-style trailers to rollers.
These brackets allow the roller bunks to be adjusted vertically from the trailer and angled to cradle the boat hull.

Typically, if you are loading a boat the boat is not loading squarely it is because the trailer is too deep in the water. I used it on my 22 foot off shore fishing boat trailer to act as a guide on the rear of the trailer when loading my boat. This Dutton -ainson Roller Bunks will provide a quick, easy and inexpensive way to upgrade the bunk-style trailers to roller bunks. The rubber roller guides help to center your boat during loading and to hold the boat during transport.Galvanized SteelGalvanized steel parts are hot-dipped in zinc after being stamped. Those brackets are going to be sold separately with part number CE27630A.This product is made in the USA. The ones that came with the boat trailer where short and had hard time getting boat on trailer when loading especially on windy days. Mounted in a rust-resistant galvanized steel channel, the durable rubber rollers absorb road shock during trailering.InstallationThe roller bunks are pre-assembled and can be mounted directly to your existing bunk boards (mounting hardware is sold separately). It can attach in two ways, attach directly to wood bunks preexisting or added, or using the C.E. If I find any problems with them at installation (which I doubt as it seems pretty straight forward) I will write a further review. They feature a non-marking two-compound roller which has a durable wear-resistant inner surface and a soft boat cushioning outer surface.
And what these would do is where the bolts would normally go through the wooden bunk, you would just put the section that has the hook part on it right in the hole and then the bolt would gone through here and then with this bracket having the slotted holes, you can adjust it and bolt it to your boat trailer and get the correct height you need. You would want to use part of the trailer as a reference to determine how far to back the trailer into the water.
Guides will help to center your boat during loading and to hold the boat during transport.Pre-Galvanized SteelPre-galvanized steel parts are stamped from a sheet of steel after it has already been galvanized. The roller-style guides are going to support your boat and keep it centered while you're loading it onto your trailer.
All of the mounting hardware that you need for a complete installation is provided, so all that's included. The 21-inch post measurement was measuring from the top of that arm down there to the top of the roller. One other thing, I would like for the roller to be about an inch or so closer to the boat after installation.
If you want to replace your bunk boards and attach the roller bunks to the front and rear crossmembers of your trailer frame, use a four-pack of swivel mounting brackets (CE10003G-4 - sold separately). Now to launch our boat especially when you're doing it by yourself can be difficult because you got to push the boat off. The CE Smith Roller Bunks, # CE27700, that you referenced, would be a great option for your catamaran boat trailer.
For demonstration purposes, we have this set pulled slightly further out than our rear ones. The bunk boards are covered in a marine-grade carpet to help protect our boat's finish. Now, with our front one loosely installed, let's go ahead and do the back one the exact same way. Obviously you don't want to exceed the length of the 60 inches and you want a little bit of overhang. My trailer is made of "C" channel frame rails and I cut a 2X4 treated to fit inside the channel at the location of the "U"bolts just to strengthen the rail.
These roller bunks are designed to attach directly to your wooden bunks that are two inches wide on your boat trailer. This part is constructed of a 14-gauge steel, has a black powdered-coat finish, has a total weight capacity for both of these roller bunks is 3000 pounds maximum and again they are five feet long and they are two inches wide. I installed rollers on the inside and mounted my trailer lights near the top of the brackets to keep them out of the water when loading and unloading the boat. It will help you load or launch your boat with ease even when the water levels are too low to float on or off. Basically, you would set this on to your wooden bunk and there are holes right here, pre-drilled that you would just mark and then drill a hole through and then use a bolt to attach it to the wooden bunk. In addition, the brackets enable the bunks to tilt to accommodate and support boat hulls of different sizes.Galvanized SteelSteel parts are galvanized by being hot-dipped in zinc after they have been stamped. Now I can get my jonboat on the trailer with the Missouri River current going across the ramp with no problem.
The U-bolt will go around the frame into the bracket and then get secure with a split lock washer and nut. Now as we install our fasteners we're just going to install them finger tight this time. This could be dangerous with the bouncing affect trailers and boats experience when towing. Keep in mind when you tighten down your U-bolt, make sure you tighten down both sides evenly. You want to make sure and tighten these down evenly, that way it's got a nice snug fit.
Again, you can mount it below or on top of the frame, and it gives you that option with the versatile mounting brackets.
Having rollers the entire length of your wood bunks will not only make the loading and unloading process easier but it will also provide added support. Our bracket and U-bolt are going to sit in the exact same position as the old or manufacturers bracket. Now we'll just go right before the elbow, just as we did before, and tighten that down.
Galvanized steel, so it's going to stand up well for a long time against rust and corrosion. Then again to secure it we'll use a split lock washer and hex nut on each side of our U-bolt. I'm going to put it there, take my bolt, pass it through the other side, putting it through the hole, put on a flat washer and then a lock nut. I'm just going to mark the inside edge here, just so I know where to line it up with the bunk board. Now, with our swivel brackets removed, we can line them up on our bunk board where we had them positioned, and then drill out some pilot holes.
Now, with our holes drilled out, we can attach our wood screws.Now we can reinstall our swivel brackets with our bunk boards attached. Now, before we tighten down our swivels, we'll want to adjust the angle of our bunk board to match the angle of our boat.

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