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Boat Trailer Standard Roller Bunks - 5' Long - 12 Sets of 2 Rollers - by Dutton-Lainson

Boat Trailer Standard Roller Bunks - 5' Long - 12 Sets of 2 Rollers - by Dutton-Lainson

Item # DL21755
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DL21755 - Roller Bunk Dutton-Lainson Boat Trailer Parts
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D-L roller bunks provide a quick, easy and inexpensive way to upgrade bunk style trailers to rollers. Attaches directly to vertically mounted 2" x 4" bunk board; mounting bracket, or optional roller bunk bracket (sold separately). Call 800-298-8924 to order Dutton-Lainson boat trailer parts part number DL21755 or order online at etrailer.com. Free expert support on all Dutton-Lainson products. Guaranteed Lowest Price and Fastest Shipping for Boat Trailer Standard Roller Bunks - 5' Long - 12 Sets of 2 Rollers - by Dutton-Lainson. Boat Trailer Parts reviews from real customers.
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  • Reviews (46)
  • Q & A (51)
  • Videos (1)
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Dutton-Lainson Boat Trailer Parts - DL21755

  • Roller and Bunk Parts
  • Rollers
  • Roller Bunk
  • 5 Feet Long
  • Dutton-Lainson
  • Black Rubber
  • 3000 lbs Capacity

D-L roller bunks provide a quick, easy and inexpensive way to upgrade bunk style trailers to rollers. Attaches directly to vertically mounted 2" x 4" bunk board; mounting bracket, or optional roller bunk bracket (sold separately).


Features:

  • Attaches directly to vertically mounted 2" x 4" bunk board; mounting bracket, or optional roller bunk bracket (sold separately)
  • Rollers pivot freely and align with boat hull
    • Durable, wear-resistant inner surface
    • Soft, boat-cushioning outer surface
  • Constructed of 14 gauge steel, black powder coat finish
  • Includes (2) 5" long roller bunks with 6 roller sets on each bunk
  • Made in the USA


Specs:

  • 3,000-lb Boat capacity
  • Roller bunk dimensions (each):
    • Overall length: 5'
    • Bracket width: 1-3/4"
    • Bracket depth: 4-3/4"
    • Roller width: 3-1/2"


21755 Boat Trailer Standard Roller Bunk - 5' Long - 12 Sets of 2 Rollers - by Dutton-Lainson





Video of Boat Trailer Standard Roller Bunks - 5' Long - 12 Sets of 2 Rollers - by Dutton-Lainson

Videos are provided as a guide only. Refer to manufacturer installation instructions and specs for complete information.




Video Transcript for Dutton-Lainson Boat Trailer Parts - Roller and Bunk Parts - DL21755 Review

Today were going to review part number DL21755. This is the Dutton-Lainson Boat Trailer Standard Roller Bunk in five foot long sections. These Dutton-Lainson Roller Bunks will provide a quick, easy and inexpensive way to upgrade your bunk-style trailers to rollers. They feature a non-marking two-compound roller which has a durable wear-resistant inner surface and a soft boat cushioning outer surface. These roller bunks are designed to attach directly to your wooden bunks that are two inches wide on your boat trailer. 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.

Now if your boat trailer does not have wooden bunks or you want to remove the wooden bunks, you can still use these. What you have to do is use this roller bunk bracket which is sold separately. Its part number DL21762 and you will need at least two of these for each section. 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. 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.

The rollers on them are free to pivot and they will align with the boat hull. Each five foot section will have six sets of two rollers so 12 rollers on five foot section and 12 on another one. So over all for both roller bunks, you would have 12 sets of two rollers. This part is made in the USA. That should do it on a review on part number DL21755.

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Customer Reviews

Boat Trailer Standard Roller Bunks - 5' Long - 12 Sets of 2 Rollers - by Dutton-Lainson - DL21755

Average Customer Rating:  4.7 out of 5 stars   (46 Customer Reviews)

D-L roller bunks provide a quick, easy and inexpensive way to upgrade bunk style trailers to rollers. Attaches directly to vertically mounted 2" x 4" bunk board; mounting bracket, or optional roller bunk bracket (sold separately).

- DL21755
by:

The rails and rollers are a great product and arrived on time. The Bunk Style Guides do not have mounting brackets suitable for mounting on a standard boat trailer from Academy which uses Angle Stock aluminum for their frame. The brackets are only useable on square or rectangular frames. I fabricated my on mounting hardware to install them. 159361



- DL21755
by:

I bought a double set to build a launch for my wave runner. Well designed, and a quality product. I also purchased a winch ( F142102) and it's exactly what I needed. I'm so satisfied, that I'll be purchasing another set for another wave runner 686913



- DL21755
by:

The paint peeled off the steel in months and when I called customer service they wouldn’t stand behind the product. They said they’re not intended to be in water. Seems a poor choice of materials for Boat trailer rollers that are produced to roll your boat into the water?? 451085


Comments
Jon,Thank you for your review. These boat rollers are made to be in water when getting the boat on and off of the trailer. When they are submerged for long periods of time it can cause some wear on the rollers. A better option would be galvanized rollers such as: part # DL21741
Dutton-Lainson Boat Trailer Deluxe Roller Bunk - 5' Long Sections - 12 Sets of 3 Rollers
$155.48
but even then they are susceptible to rust if underwater for long periods of time.
-- Heather A - 11/20/2017

31106

- DL21755
by: 09/14/2020

880572



- DL21755
by:

Fast delivery, will buy again 849436



- DL21755
by:

Easy to install and very affordable, my only request is that they make a version out of galvanized versus powder coated steel. The first set rusted out after 3 years. Cheap enough to replace, I'd pay more for galvanized though... 830170



- DL21755
by:

works nice. 805363



- DL21755
by:

great product had one pair for years needed 2 more thanks. 717552



- DL21755
by:

Product quality is excellent. Delivery on time. Price was fair. 714506



- DL21755
by:

I bought these hoping I could adapt them as rollers on a floating jetski dock. Took a little ingenuity, but worked like a champ. I can now push my ski off the dock with one hand! Great product. 706019



- DL21755
by:

I love them, I just wish that they came with the needed brackets. You have to purchase brackets as well as any needed screws separately. 693884



- DL21755
by:

Great selection, value and fast delivery. All A+ 655035


Comments
All good. Now so easy to launch in shallow waters.
George E - 06/08/2020

79120

- DL21755
by:

GREAT SO EASY TO LOAD AND UNLOAD 636313



- DL21755
by:

Worked perfect very happy with these rollers, will order more if needed in the future 621881



- DL21755
by:

Great product 596912



- DL21755
by:

Works great seems to hold up very well for sitting in fresh water for a year straight. I could not get my wave runner or jet Jon out of the water without them. Great product for a home made ski lift. Tommy F. Lake Conroe Tx. Ps not sure how to submit picture not computer savvy. 500334



- DL21755
by:

Works great seems to hold up very well for sitting in fresh water for a year straight. I could not get my wave runner or jet Jon out of the water without them. Great product for a home made ski lift. 500333


Comments
Still working great
tommy j - 04/24/2019

54407

- DL21755
by:

modified a utility trailer to haul a 15'6" canoe no problem with a couple of keel rollers now it's a easy one-man load and unload good quality parts at great price! 499662



- DL21755
by:

the roller bunk works well. i had to remove the old bunks (were carpeted 2X4 laying flat) and make new rails the width of the roller bunk channel. i couldn't use the old trailer hardware so i had to improvise. tested new setup this past weekend and they worked very well. 419791



- DL21755
by:

I used four roller bunks to build a jet ski ramp off of a fresh water seawall. The ramp is partially underwater 6 months a year. The bunks did the job and have held up very well in the first year. 399614



- DL21755
by:

Box was open but didn't see any damage. Have not installed them yet. Product is good quality and built very well. 342798



- DL21755
by:

Excellent service and fast delivery. 309338



- DL21755
by:

Excellent product. 308166



- DL21755
by:

Excellent! They look like they will be helpful in launching my boat on a trailer. I could not do so with my current trailer. I think the parts sent will modify my trailer into a useful device. Thank you. 295918


Comments
They worked great...but i have sold that boat and trailer since then. I may be interested in getting some wheel bunks for my latest boat.
Tim B - 10/18/2017

29511

- DL21755
by:

The roller bunkers work great for my wave runner trailer i'm veary happy with them and i would recommend them to anyone 274831


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Show More Reviews

Ask the Experts about this Dutton-Lainson Boat Trailer Parts

  • Does Dutton-Lainson Boat Trailer Roller Bunk Come In Galvanized Version
    Yes, the galvanized Dutton-Lainson Boat Trailer Deluxe Roller Bunk - 5' Long Sections part # DL21741 is what you are looking for. The rollers are constructed of 12-gauge, galvanized steel and have zinc-plated steel rollers hardware included. This is considered an upgraded version of the standard Dutton-Lainson roller bank because it includes 12 sets of 3 rollers compared to the 2 rollers.
    view full answer...
  • Can Roller Bunks be Used to Make Boat Ramp
    Roller bunks like the Dutton-Lainson 5 Foot Long # DL21755 that you're looking at are designed to be installed on a boat trailer but there's no particular reason they couldn't also be used to make a ramp. We have indeed had customers do exactly this and I have attached a few pictures they sent in of the finished products. These particular roller bunks feature a 3,000 pound boat capacity and are 5 feet in length. I have included a short video demonstration that you can check out as well...
    view full answer...
  • Available Lengths of Boat Trailer Roller Bunks
    The only roller bunks we carry, see link, come in 4 and 5 foot lengths. They can be cut to the lengths needed though. So for example if you needed a 9 foot section you could get 2 of the 5 foot models and cut off 12 inches of one to get 9 feet. For a 6 foot section you could buy three 4-foot sections # DL21754 and cut one in half so you would end up with 6 feet on each side.
    view full answer...
  • Can Pontoon Boat Be Stored On Roller Bunks Over Winter
    I spoke with my contact at Dutton-Lainson about storing your pontoon boat on the # DL21755 roller bunks. They said there is no problem with storing your boat on the roller bunks over the winter. The bunks have a weight capacity of 3,000 pounds, so as long as your boat is under 3,000 pounds these roller bunks will work well for you. The # DL21755 roller bunks will add approximately 2-5/8 inches to the height of the boat when on the trailer. This is important to keep in mind if it is...
    view full answer...
  • Installation of Boat Trailer Standard Roller Bunks 5 Foot # DL21755
    The 5-foot roller bunks # DL21755 can be attached directly to vertically-mounted 2 x 4 bunk board. I would suggest using stainless steel or galvanized hardware. Another option is to use the # DL21762 brackets, 4 brackets are needed to mount a pair of roller bunks. With the brackets, the bunk can be adjusted vertically and can be angled for a custom fit to your boat hull. I have posted a short video showing how the bunks attach to a 2x4 and to one of the brackets for you to review.
    view full answer...
  • Using Roller Bunks on a Boat Ramp for an 18 Foot 78 Sylvan Sport
    We had a customer use roller bunks # DL21741 on a boat ramp he built for this same exact purpose. And it worked out great. Take a look at the pictures I have included. The key is to have enough rollers for the length of the ramp and to support the weight. The roller bunk sets are rated for a maximum of 3,000 pounds. There are 2 bunks in a set, 5 feet long each. You can get them from us and the current pricing is available on the product page.
    view full answer...
  • Using Roller Bunks for PWC Ramp & Trailer
    Roller bunks like the 5-foot Dutton-Lainson # DL21755 and the other similar products shown on the linked page will work best when they are positioned on the trailer or ramp surface in such a way that allows the maximum contact between the watercraft's hull and the flat top surface of the rollers. The fuller and more even the contact the easier the rolling action will be. On a PWC the hull can have many different profiles or shapes. These can include the common V and modified V, and the...
    view full answer...
  • Can Roller Bunks be Used as Tilting Bunks
    The mounting brackets that you mentioned, # DL21762, can also tilt but the part that attaches to the trailer will be fixed. If by tilting you mean front to back (up and down) then roller bunks # DL21755 are not really designed to work that way. You may be able to attach bunks # DL21741 directly to the wooden bunks that you have and keep the tilting feature the same. You may have to position the bunks a little differently since this method essentially makes the bunks taller by about...
    view full answer...
  • Will Roller Bunks Cause PWC to Roll Back Into Water
    When using the Boat Trailer Standard Roller Bunk # DL21755 to load your PWC it really depends on how severe of an angle your ramp is at. If it isn't too severe then the weight of the PWC on the rollers won't allow the it to slide back so fast that you can't hook your winch up to it. If the angle is a little more severe then you will need to have a 2nd person near the ramp who can connect the winch when you pull up on the ramp otherwise your PWC will roll backwards.
    view full answer...
  • Recommended Boat Trailer Roller Bunks for 3100-lb Boat
    Roller bunks can make loading your boat on its trailer a lot easier and can also take away much of the stress on your winch by substantially reducing friction between the boat and trailer. Adding rollers to the trailer will not extend your trailer's reach into the water but it will make it easier to get the boat loaded once it reaches the rollers. You can see all of our roller bunks on the linked page, such as # DL21741, which you can mount right on top of the bunk boards, I suggest...
    view full answer...
  • What Are Dimensions Of Dutton Lainson Roller Bunk Brackets
    The slots in the Boat Trailer Roller Bunk Bracket, part # DL21762 are 7-1/4 inches long so you will be able to use that length to move the brackets where you need them on your trailer frame. Here are the dimensions of the brackets you may find helpful. I have also included a photo of the bracket you can check out. 10-3/4 Inches Overall length 3 Inches Overall Width 2-3/4 Inches Inside Width 7-1/4 Inches Slot Length 7/16 Inch Slot width 3 Inches from Top of Bracket to the Start...
    view full answer...
  • Availability of 10 Foot Long Boat Trailer Roller Bunks
    Dutton-Lainson doesn't manufacture a 9 foot long roller bunk, however you could use two 5 foot roller bunks per each side part # DL21755, for a total of four. The small bit of extra length won't hurt anything. Each 5 foot section has a 3000 lb capacity. The rollers of the 4 foot roller bunk # D21754 are about 9-1/2 inches apart. If you used two of them and spaced the two units about 9-1/2 inches apart to keep a consistent distance between rollers, you'd get good coverage on a 9 foot...
    view full answer...
  • Using Bunk Rollers to Construct a Boat Ramp
    According to Dutton-Lainson, there would be no problem with a PWC sitting on the rollers for an extended period of time (like over the winter). The roller bunks are meant for boats weighing up to 3,000 lbs, and since a PWC will weigh less than 1,000 lbs, there should be no issue whatsoever. The # DL21755 rollers you referenced would work great for what you are wanting to do. These particular rollers are meant to be attached to the edge of a bunk, but there are also sets like part #...
    view full answer...
  • Galvanized Roller Bunks for 23 ft Boston Whaler Conquest on EZ Loader Trailer
    Bunk rollers like the # DL21755 model would be a good addition to your trailer, and would make launching and retrieving your boat easier. The rollers would cause less friction between the boat and the bunks, therefore requiring considerably less effort to winch the boat up onto the trailer. For a comparable galvanized product, I would recommend part # DL21741, with each 5 foot section having a 3000 lb capacity per pair of rollers. These rollers can be fastened directly to the edge of...
    view full answer...
  • Can the Boat Trailer Standard Roller Bunk Be Used Submerged Under Water On a Boat Ramp
    The Boat Trailer Standard Roller Bunk part # DL21755 is designed to be used on a trailer which although will be frequently submerged in water, would/should not be constantly. I took a look at some reviews of customers using these rollers as a boat ramp where they are constantly submerged and it seems like an issue is the paint wearing faster and the rails thereby rusting. Therefore, the Dutton-Lainson Boat Trailer Deluxe Roller Bunk part # DL21741 which are galvanized will be a better option.
    view full answer...
  • How Many Roller Bunks Needed for a Boat Trailer
    If I am understanding you correctly it sounds like you are saying you have 2 12-foot bunks and 2 6-foot bunks. For the 12 foot bunks you would want to get 3 sets of 4 foot long bunks. So that would be 3 of the Dutton Lainson Bunks part # DL21754. For the 5 foot long bunk I would recommend you go with the bunk part # DL21755 that you referenced.
    view full answer...
  • Placing Boat Bunks for Maximum Contact with Boat with a Ribbed Hull
    The Roller Bunk # DL21755 measures 3-1/2 inches across the wheels where your boat will be sitting. Also, the wheels pivot to help make contact with the bottom of the boat. Since you currently have vertical bunks you'll need the brackets # DL21762 to connect the bunks to your trailer. This will give you the option of adjusting the height and placement of the bunks which means you can decide where on your boat the wheels will make contact with the boat to put them in the best suitable...
    view full answer...
  • Is the Boat Trailer Standard Roller Bunk # DL21755 Sold in Pairs
    The Boat Trailer Standard Roller Bunk # DL21755 that you referenced is sold in pairs. If you order a quantity of one we will ship you a pair. I attached a review video for this product for you to check out also.
    view full answer...
  • Parts Needed to Convert Boat Trailer to EOH Disc Brake Operation
    You can get a good handle on the process of converting your hydraulic drum-brake-equipped trailer to electric-over-hydraulic (EOH) disc brake operation by having a look at the linked article. This recaps each of the necessary items, one of which you already have, the brake controller. You will need to ensure you controller has the option for EOH operation; not all trailer brake controllers work with EOH actuators. The article has links to all the required items. You'll want to confirm your...
    view full answer...
  • Will Storing a PWC on Rollers for a Long Period of Time Damage the Hull
    For PWC you can store them on roller bunks. For boats they do not recommend storing on rollers for a long period of time unless wood blocks are used. Otherwise small indentations or cracks can occur on the hull.
    view full answer...
  • Will Using Roller Bunks Make Launching and Loading a Saturn SD430 Boat Easier
    Roller bunks are definitely going to make launching and loading the boat much easier. having carpeted bunks on the trailer now will not be an issue. You can use roller bunk, # DL21741, that can be mounted flat against the bunks. The mounting holes are on the flat bottom of the frame on the rollers so these bunks are more versatile. They have a capacity of 3,000 pounds.
    view full answer...
  • Advisability of Leaving Bunks Loose When Installing Bunk Rollers on Boat Trailer
    In order to provide a solid rest for the boat and to hold it securely, I wouldn't recommend leaving the fasteners loose so that the bunks can swivel. You can loosen the fasteners in order to make adjustments so that the rollers are perpendicular to the bottom of the boat, but you'll want to tighten everything up once it's adjusted correctly. You might consider using Roller Guide-Ons like part # CE27610. The guide-ons would allow you to align the boat correctly when you're loading it...
    view full answer...
  • Weight Capacity of Dutton-Lainson Standard Roller Bunks DL21755
    The Dutton-Lainson Standard Roller Bunks # DL21755 have a maximum load capacity of 3000-lbs per set so they will able to handle your 2500-lb Triton bass boat. These can mount directly on 2 x 4 boards using hardware you supply; stainless or galvanized hardware is recommended for corrosion resistance. Part # DL21755 consists of a set of two rollers, each with 6 sets of wheels. You may want to use two sets, to give you 10-feet of roller surface to better support each side of the hull.
    view full answer...
  • Availability of 5 Foot Long Roller Bunks that are Galvanized Steel
    Yes, we have a 5 foot long Dutton Lainson roller bunk that is galvanized with the part # DL21741. I attached a review video for these for you to check out as well.
    view full answer...
  • Roller Bunk Recommendation for a 17 Foot Ranger Jet Boat and King Salt Water Boat Trailer
    The easiest solution, if possible, is to back the trailer further into the water. If that is not an option, rollers could help you and definitely make it easier to launch the boat and pull it back on the trailer. For rollers, given that your bunks are flat and about 8 feet long, I would go with 2 sets of # DL21740. Each piece is 4 feet long and they can be mounted directly to the bunks. Each set of rollers has a 2,500 pound capacity.
    view full answer...
  • Roller Bunk Recommendation for Boat Trailer with 2 x 4 Standard Bunksand 15 Foot Bayliner
    Since you have standard 2 x 4 bunks, the Boat Trailer Standard Roller Bunk, # DL21755, will work on your boat trailer because it was specifically designed to attach directly to vertical mounted 2 x 4 bunk boards. The rollers are free to pivot and align with the hull. The capacity is 3,000 pounds. You might also be interested in the Boat Trailer Deluxe Roller Bunk, # DL21741. These have the same capacity, 3,000 pounds, but can be mounted to either vertical or horizontal positioned bunk boards.
    view full answer...
  • Bunk Roller and Bracket Recommendations for a Trailer Attaching to Side Rails of Trailer
    I believe your best solution would be to get Roller Bunks part # DL21740 and then use Roller Bunk Brackets # DL21742. The way these brackets install on the trailer and install to the brackets allows the brackets to install on cross rails or side rails. The roller bunks # DL21755 that you referenced would not be ideal for you they are set up to install onto cross rails.
    view full answer...

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