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Dutton-Lainson StrongArm Electric Winch - Marine - 3,000 lbs

Dutton-Lainson StrongArm Electric Winch - Marine - 3,000 lbs

Part Number: DL25215
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Take the strain out of loading and unloading your boat with this electric winch, featuring a Load/Unload power switch and a freewheel clutch. This DC-powered winch is designed for boats up to 9,000 lbs and has a wiring harness for installation. Great Prices for the best trailer winch from Dutton-Lainson. Dutton-Lainson StrongArm Electric Winch - Marine - 3,000 lbs part number DL25215 can be ordered online at or call 1-800-940-8924 for expert service.
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Dutton-Lainson Trailer Winch - DL25215

  • Boat Trailer Winch
  • Utility Winch
  • Electric Winch
  • Polyester Strap
  • Heavy Duty
  • No Remote
  • Dutton-Lainson
  • Freespooling Clutch

Take the strain out of loading and unloading your boat with this electric winch, featuring a Load/Unload power switch and a freewheel clutch. This DC-powered winch is designed for boats up to 9,000 lbs and has a wiring harness for installation.


  • Load/Unload, 3-position rotary power switch
    • Automatically returns to "Off" position when released
  • Spring-loaded clutch lever for releasing load without power
    • Provides smooth load control from locked or freewheel position
      • Automatically returns to locked position when released
      • Freewheel option allows cable to be removed by hand
  • Dynamic motor brake and mechanical friction brake
    • Dynamic brake helps bring load to immediate halt without coasting
    • Mechanical brake locks reel to hold load
  • 12-Volt, DC-powered
  • Polyester strap and snap hook included
  • Wiring harness included
    • 25' Positive battery wire and 8' ground wire
  • Emergency crank handle comes standard
    • Use in the event of power failure
  • Heat-treated gears provide smoother, quieter ride and greater strength
  • Precision needle bearings in high-load areas
    • Create low friction and promote longer life
  • Die-formed base is adapted for quick-mounting applications
  • High-impact, weather-resistant case
    • Provides excellent protection for internal components
  • Brushed stainless steel front plate for superior rust resistance
  • Made in the USA


  • Load capacity: 3,000 lbs (see below for more info)
    • Up to 9,000 lb boat
    • Rating based on 6' pull
  • Current draw: 70 amps at 12 volts
    • Winch should be used intermittently - maximum continuous run time is 4 minutes
  • Gear ratio: 570:1
  • Strap dimensions: 2" wide x 20' long
  • Load speed (in feet per minute):
    • No Load/Full Reel: 15
    • Full Load/Full Reel: 6.3
  • Wiring harness gauge: 8
  • 2-Year limited warranty

Determining Your Load Capacity

A common ratio for determining your winch load capacity is 2:1. For example, a 2,000-lb boat would require a 1,100-lb winch. There are extenuating factors, however, that will determine the appropriate winch size for your purposes.

The ratio can be stretched to 3:1 in instances when the trailer in use has high-quality rollers and is most commonly used on ramps where boats float most of the way onto the trailer.

In contrast, using a boat trailer that has wooden bunks, lacks self-alignment capabilities, and is most commonly used on ramps where the boat must be winched most of the way onto the trailer reduces the ratio to 1:1.

Note that pontoon trailers and other special designs require special consideration when determining winch capacity.

Percent InclineMultiply By
Level Surface10.0
5 (3 degrees)6.67
10 (6 degrees)5.02
20 (11 degrees)3.40
30 (17 degrees)2.61
50 (26 degrees)1.86
70 (35 degrees)1.53
100 (45 degrees)1.29

Determining Your Rolling Load Capacity


To calculate your winch's rolling load capacity - the amount of weight it can pull up an incline - you must multiply the winch capacity by a factor determined by the degree of the incline.

The multiplication factor shown includes a 10 percent rolling friction factor. Note: A 5 percent - or 3 degree - incline is a 1/2' rise in 10'. Follow the chart to determine your winch's rolling load capacity.

Mounting Your Winch



All Dutton-Lainson StrongArm electric winches are built for multipurpose hauling and pulling operations. They are not to be used as hoists for lifting, supporting or transporting people, or for handling loads over areas where people could be present.

25215 Dutton-Lainson TW9000 StrongArm Electric Winch - 3,000 lbs - Marine

Installation Details DL25215 Installation instructions

Customer Satisfaction Score:

Customer Reviews

Dutton-Lainson StrongArm Electric Winch - Marine - 3,000 lbs - DL25215

Average Customer Rating:  4.7 out of 5 stars   (141 Customer Reviews)

Take the strain out of loading and unloading your boat with this electric winch, featuring a Load/Unload power switch and a freewheel clutch. This DC-powered winch is designed for boats up to 9,000 lbs and has a wiring harness for installation.


Installed cables. 35A breaker is not insulated and required additional cable to connect to modern battery terminal - so had to buy an insulated breaker. On first use, the small gear on the motor drive shaft fell off because it was installed at the factory without a snap ring. Luckily I found it and fashioned a snap ring for temporary use to load the boat (see picture). Then learned the clutch was set excessively low - would not pull anything close to 1000 pounds. Manual says to not adjust clutch more than 20 degrees, but that would not pull as much as a 2000 lb ratchet strap. I see the other good reviews on this product, but clearly mine was built with some serious QC issues. Hard day on the boat ramp. Grateful for the help and patience of fellow boaters. I am beyond the 60 days to return this product since I bought and installed it over the winter to enjoy this boating season.

Etrailer Expert

Jenny N.


I reached out to Dutton Lainson who like to handle these questions directly. I will have them reach out to you via email.


Shopped around a lot before I bought this. My boat is heavy (7500 lb) and the wench I had struggled. I took a chance on this as it was rated for the weight. I used the Anderson style connectors and installed a breaker near the battery. Pulled new wire rated for the amp draw. I couldnt be happier! This thing is a beast! Has no prob pulling my boat and cant see that it struggles at all. Highly reccomend. Photo is during installation. I put a cover over it due to my anchor comes close when launching and didnt want it to hit.


They were exceptionally helpful in deciding which winch to buy. I got this for my pontoon boat on a slide bumper trailer. I wanted to make sure it would have enough power to pull my 24 ft pontoon. This winch is honestly one of the best purchases I have made for this boat. It easily pulls my boat up onto the trailer. Total time to load about 2 mins. I have had many envious looks at my electric winch. Thank you again. For the help in deciding which one to get.


E-trailer service team, Lauren, was excellent. When my critical delivery delayed she came up with several options to get me a new part on time to support my need.


Order filled and shipped same day! Perfect upon arrival.


nice product


works perfectly.....great product and r eputation!


Yes I finished the winch installation, I have not tried at the boat ramp,
however I ran the winch and am very pleased. I am also pleased at the way your company does business. Thank you. George you asked for pictures, please find enclosed pictures.


The winch works as advertised. My boat with gear and fuel weighs in around 6500 lbs. My trailer has rollers so that does make it easier. It hauls it up ok until maybe the last 6 inches where it slows down a bit. One improvement I would make would be to have a better emergencey handle. It is quite small and if I ever had to use it I would imagine it would take forever and not sure I could generate enough leverage to pull the boat all the way onto the trailer.


Works great


The winch appears to be good and everything it was advertised to be. However there are two problems with the wiring harness.

1. The bracket with the attached fuses is not designed to connect to a side terminal type battery. Actually I’m not sure how it would connect to an upper post battery unless there were secondary posts with wing nuts like found on a marine battery.
2. The positive side of the wiring harness is 25’ but the negative side is only 5’. If you ground the harness to your truck frame you may not be able to reach to the winch especially since the 9000 winch is for a larger boat which means the trailer yoke and support post might be further back.

I had this problem. I purchase some of the quick release adapters and made a five foot pigtail.


I have mounted the winch on my trailer. It was fairly easy. I had drill out 3/8 in. holes to 1/2 in., but alignment was already ok. I'm concerned about the 8 ft. ground cable. I'm thinking about putting a bolt through my truck bumper,putting a bolt through and clipping the ground to it.


Works great. I use it on a 19 foot Lund Impact and a roller trailer without a problem. I recommend this product.



Great on a boat trailer. Makes loading a breeze. A wireless remote would make this winch even better. Currently in use with a 19 foot Lund boat on a Shorelander roller trailer.


Very good handles my 22 foot fiberglass boat without any problem

Chris C.


Very good still working well


It pulls my boat onto the trailer with ease and it always worked. The big thing for me is how long will it last. If it works as well in 5 or 10 years I'll give it five stars.


Etrailer had all the parts I was looking for in stock. The sales help was very good and the shipping was very quick. I shop here as often as I can


Winch was delivered 3 days after being ordered. I have used Etrailer over the past 6 years and had no issues with ordering, shiping, and their products. My source for all my boating/trailering needs.




I will write a review when I use it


Very quick service, fair price and just as described.

D. W.


So far so good used @ 10 times and no problems pulling my 8000 lb. fish boat. The provided wire harness had to be lengthened to function but who cares the winch works great and a strap winch is the ONLY way to go with a boat of this weight.


free wheel froze up after two months of use.

Etrailer Expert

Sierra K.


The freewheel option allows the cable to be removed by hand. You will have to make sure that it is in the correct position to use the free wheel. If you have tried to manually adjust it and it is still not functioning properly, this item has a 2-year warranty.


Very good product. Pulled my jet ski up on the lift like it was nothing.


decent price, in stock, great communications & quick shipping.


Exactly what I needed


it's a good product

Show More Reviews

See what our Experts say about this Dutton-Lainson Trailer Winch

  • Is There a Harness That Goes Between Truck and Trailer When Using Dutton-Lainson Electric Winch
    In regards to the Dutton-Lainson StrongArm Electric Winch part # DL25215, the winch wiring harness is designed to attach to a vehicle battery and then run from the front back to the bumper so you can attach to the winch on the trailer when needed. There will be extra wire that will be simply coiled up and stored on the truck while not in use. If you wanted to cut the wire at the bumper you could then make a quick-connect system between the truck and trailer using the extra wire and Dutton-Lainson...
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  • How To Mount an Electric Boat Trailer Winch
    I have some great electric boat trailer winch options for you such as the Dutton-Lainson StrongArm Electric Winch which is what I recommend. These will need to be rated for about half the weight of the boat, so part # DL25215 for example (full selection linked below) can be used on a boat up to 6,000 lbs as it has a 3,000 lb rating. Please note, this is just a general guideline and there are other factors which you can review in the article below if needed. In regards to mounting the Dutton-Lainson...
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  • Winch Assembly and Strap Replacement for Personal Watercraft Trailer
    If a winch assembly is used beyond its rated capacity, corroded from severe exposure to the elements or otherwise mechanically damaged in some way it may require replacement. If the main structure/housing is intact then it may only be necessary to replace the wire rope or nylon strap periodically if these show extreme wear or deterioration. Some times it may be necessary to replace a few components in the winch, but these repair kits are fairly simple and less costly than a whole new winch. In...
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  • Dutton-Lainson TW4000 StrongArm Electric Winch # DL25200 Shuts Down When Under Load
    The Dutton-Lainson TW400 StrongArm Electric Winch # DL25200 is rated for use with boats up to 4000-lbs total weight. Having roller bunks provides a definite advantage over standard carpeted bunks since this trailer feature reduces friction. However, if the winch is asked to work beyond its capacity, or if operated for longer than 3 minutes between cool-down breaks, you can certainly run into issues. A winch's pulling capacity is affected by several factors in addition to the weight of...
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  • Does Dutton-Lainson StrongArm 9K Electric Winch Come With Remote
    The Dutton-Lainson StrongArm Electric Winch # DL25215 has the control mounted to the side of the winch, but if you get the model # DL25220 it does come with a remote. This is actually the same exact winch just with a remote instead of the control on the winch itself. Attached are review videos for you to check out.
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  • Does Dutton-Lainson StrongArm Electric Winch Come with Mounting Bracket
    The Dutton-Lainson StrongArm Electric Winch # DL25215 doesn't come with a mounting plate but you can use part # DL24055 or # DL24059 if your current mounting bracket doesn't match with the mounting hole pattern for this winch (see attached).
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  • Electric Boat Trailer Winch With Remote Capable Of Pulling 3,000-lbs
    The Dutton-Lanison StrongArm Electric Winch # DL25215 does come in a wire rope version # DL25010. This is not a 110 VAC system unfortunately, but instead uses a 12v DC motor. This winch is rated for a 3,000-lbs load capacity, and also includes a remote so you can easily load/unload the winch. This kit also comes with a wiring kit, which includes a 25' battery wire and an 8' ground wire.
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  • Replacement Brake Spring Kit for Dutton-Lainson StrongArm Winch # DL25215
    We do offer a Brake Spring Kit for Dutton-Lainson StrongArm winches, part # DL5703160. This kit includes the spring pads, spacers and screws needed to rebuild your StrongArm winch.
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  • Is The StrongArm Electric Winch 9k Worth Replacing A PowerWinch 912
    The Dutton-Lanison StrongArm Electric Winch # DL25215 is a great replacement for your current PowerWinch 912 as they have similar ratings, the StrongArm 9,000 is rated to pull up to a 9,000 pound boat, while the PowerWinch 912 is rated for up to a 9,500 pound boat. Additionally, the StrongArm 9000, with a full load will pull 6.3 feet per minute, making it take about 3 minutes to reel the entire reel.
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  • Determining Boat Capacity of Dutton-Lainson StrongArm Electric Winch # DL25215
    The 4,800 pound break strength strap that was included with your Dutton-Lainson StrongArm Electric Winch # DL25215 actually should not need to be replaced. The included strap, like the winch itself, features a working load capacity of 3,000 pounds but can handle a boat of up to 9,000 pounds. If your trailer is equipped with high-quality rollers and is typically used on ramps where the boat will essentially float most of the way onto the trailer, a 3:1 ratio can be used for winches. Which...
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  • Correct Replacement Strap for Dutton-Lainson StrongArm Electric Winch TW9000
    The correct replacement strap for the Dutton-Lainson StrongArm Electric Winch TW9000 part # DL25215 which has a 3,000 lb weight capacity is the Hand Winch Strap with Safety Hook part # DL24251.
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  • Where Should a Dutton-Lainson Strong Arm Winch be Installed on a Boat Trailer
    On a boat trailer, you will need to position the Duton-Lainson winch, # DL25215, so that the loading ring on the bow of your boat is the same height or a little higher than the winch drum when the boat is loaded on the trailer. You will need to us a winch stand or other mounting surface that is strong enough to support a load that actually exceeds the capacity of the winch. The instructions, which I have linked for you, actually cover mounting the winch in the first few pages.
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  • Electric Winch Recommendation to Pull a 3000 lb Boat and Trailer into a Garage
    Assuming your trailer is going to be a rolling load, you will not need a winch with a large capacity. Rolling loads can be moved more easily allowing a winch to handle more than the rated capacity. I have attached a help article on electric winches for you to check out. If you only plan on using the winch to pull the boat into the garage, then I recommend going with a more economical 3,000 lb winch like the Superwinch LT3000ATV Winch, # SW1130220, but you can always go with a higher rated...
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  • Recommended Boat Trailer Winch for 9,000 lb Boat
    Thank you for all that information and while I can understand not wanting to go with an electric winch for a boat trailer, the issue is the weight of your boat as well as the fact you are using bunks and have a steep incline. Even if you had a very short winching distance without much incline and were using rollers, the hand winch that has the most capacity, the 3,700 lb Fulton High-Performance 2-Speed Trailer Winch with Handbrake # F142430, would be pushing it because each layer of the...
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  • Is There a Longer Strap for the Fulton XLT Powered Winch
    I do have options for you but the Fulton XLT Powered Winch does not come with a longer strap. How much longer do you need? If your boat is under 9,000 lbs then we have the Dutton-Lainson StrongArm Electric Winch part # DL25215 which includes a 20' long strap compared to the 15' long strap of the Fulton XLT. The StrongArm winch has a freewheel clutch, 25' long wiring harness, and emergency crank handle. It is also made here in the U.S.A. and comes with a two year warranty. If this winch...
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  • Recommended Electric Winch for 7,300 Pound Boat
    For your 7,300 pound boat, I recommend looking at the Dutton-Lainson StrongArm Electric Winch # DL25215. This particular winch is designed for boats that are up to 9,000 pounds depending on angle, winch distance and type of bunks you have on your trailer. If the trailer has roller bunks instead of standard wooden units, this winch will work perfectly and have more than enough capacity for your application. This is a great electric winch that features a spring-loaded clutch lever that...
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  • Boat Trailer Winch that Has Capacity for 18,000 lb Boat
    With boat winches you generally only need 50 percent of the boats weight as the winch's weight capacity. So for a 18,000 lb boat like you have you'd need a winch with at least a 9,000 lb capacity. For that we have the Fulton XLT Powered Winch part # F500621 which has a 10,000 lb capacity and would be your best option. The strap is only 15 feet long though so you'd need to make sure you could get the boat within 15 feet from being fully on the trailer.
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  • Can DL Powered Winch # DL25215 be Used for 24 Foot Long Pontoon Boat
    Electric winches like the Powered Winch # DL25215 take all of the work out of winching in a boat at a boat ramp. Basically you just have to connect the strap and press a button and you're good. This would have more than enough capacity for a 24 foot long pontoon as well. Since this winch will pull up to 70 amps you'll need to install a deep cell battery on your trailer as your trailer wiring connector power source will not be strong enough.
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  • Can 9K Dutton-Lainson StrongArm Powered Winch be Used for a Car Trailer
    The 9K Dutton-Lainson StrongArm Electric Winch # DL25215 is a great option for your car trailer! Even though this was designed with boat trailers in mind it will still work great for your application. This winch comes with mounting hardware and instructions for the installation.
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  • Understanding Weight Capacity For Dutton-Lainson StrongArm Electric Winch With 4,500LB Pontoon
    With the Dutton-Lainson StrongArm Electric Winch # DL25215 it has a load capacity of 3,000lbs. If you are pulling the pontoon onto your trailer with the bunk boards the capacity is 6,000lbs. If your trailer had rollers or as in your situation the bunk boards are submerged under water it increases capacity to 9,000lbs. The reason you see these increases is the entire weight of the boat is not being drug across the bunk boards or they will not require the full force due to the smoother rollers...
    view full answer...
  • Replacement Boat Trailer Winch For Boats Over 4,200LBS
    I recommend using the Dutton-Lainson StrongArm Electric Winch # DL25215. This winch is rated for 9,000lbs and utilizes a polyester strap that is less likely to damage your boat if it were to ever snap like the metal cable did on your last winch. The winch also has a backup manual crank handle for if you lose power. The Dutton-Lainson Angle Mounting Plate # DL24059 will allow you to mount the winch level on your trailer winch stand. And the Dutton-Lainson Winch Cover # DL24051 will protect...
    view full answer...
  • Can the Dutton-Lainson Strong Arm Winch Be Mounted to a Boat Trailer Upside Down
    Yes. There's no reason that the Dutton-Lainson Strong Arm Winch # DL25215 can't be mounted upside down as long as the winch strap isn't rubbing on anything. The capacity of the winch won't be affected with this mounting method, so there's really nothing to be concerned about. I did confirm this with my tech contact over at Dutton-Lainson, as well.
    view full answer...
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  • Will Dutton-Lainson StrongArm Electric Winch Drain 105 Amp Hour Battery
    You will be able to use the Dutton-Lainson StrongArm Electric Winch # DL25215 with a fully charged battery that is rated for 105 amp hours. This winch, which draws 70 amps, has a 20' strap and even with a full load reels at 6.3 feet per minute.
    view full answer...
  • Winch Recommendation for Trailer that Weighs 11,000 lbs
    Generally when picking out a winch for a boat trailer the ratio is 2 to 1 meaning you would need a winch with roughly half the capacity as the weight of the boat. With good rollers and a short winching distance the ratio increases to 3 to 1, but with long winching distances and wooden bunks like what you currently have the ratio is 1 to 1. The only option we have rated high enough would be the Dutton Lainson electric winch part # DL25215 which has a 9,000 lb capacity. Nothing else we offer...
    view full answer...

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