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Dutton-Lainson TW4000 StrongArm Electric Winch - Marine - 1,500 lbs

Dutton-Lainson TW4000 StrongArm Electric Winch - Marine - 1,500 lbs

Item # DL25200
Our Price: $352.77
Trailer Winch
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Dutton-Lainson TW4000 StrongArm Electric Winch - Marine - 1,500 lbs No Remote DL25200
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Take the strain out of loading and unloading your boat with this electric winch, featuring a power-in switch and a freewheel-out clutch. This DC-powered winch is designed for boats up to 4,000 lbs and includes a wiring harness for easy installation. Great Prices for the best trailer winch from Dutton-Lainson. Dutton-Lainson TW4000 StrongArm Electric Winch - Marine - 1,500 lbs part number DL25200 can be ordered online at or call 1-800-940-8924 for expert service.
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Dutton-Lainson Trailer Winch - DL25200

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

Take the strain out of loading and unloading your boat with this electric winch, featuring a power-in switch and a freewheel-out clutch. This DC-powered winch is designed for boats up to 4,000 lbs and includes a wiring harness for easy installation.


  • Power-in switch to reel in strap
  • Freewheel-out clutch - allows strap to be removed by hand
    • Control knob engages gears or releases load
  • Positive mechanical braking
  • 12-Volt, DC powered
  • Polyester strap and snap hook included
  • Wiring harness included
    • 25' Positive battery wire and 8' ground wire
  • Removable plastic plug for emergency handle use
    • Accepts 5/8" deep socket
    • Requires ratchet to serve as crank handle
    • Enables use of winch 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: 1,500 lbs (see below for more info)
    • Up to 4,000 lb boat
    • Rating based on 6' pull
  • Current draw: 40 amps at 12 volts
    • Winch should be used intermittently - maximum continuous run time is 3 minutes
  • Gear ratio: 324:1
  • Strap dimensions: 2" wide x 20' long
  • Load speed (in feet per minute):
    • No Load/Full Reel: 22
    • Full Load/Full Reel: 8.2
  • 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.

25200 Dutton-Lainson TW4000 StrongArm Electric Winch - 1,500 lbs - Marine

Installation Details DL25200 Installation instructions

Customer Satisfaction Score:

Customer Reviews

Dutton-Lainson TW4000 StrongArm Electric Winch - Marine - 1,500 lbs - DL25200

Average Customer Rating:  4.7 out of 5 stars   (139 Customer Reviews)

Take the strain out of loading and unloading your boat with this electric winch, featuring a power-in switch and a freewheel-out clutch. This DC-powered winch is designed for boats up to 4,000 lbs and includes a wiring harness for easy installation.


Put this winch on my Ranger 620 boat trailer a year ago and love it! Haven't had a single problem and it helps trailering when I fish alone. I ran power and ground from my truck battery to a back bumper plug, and have a separate removable cable (shown in pic) to connect truck plug to the winch plug. Grounding to the truck didn't work for me. I have another spare cable and plug rolled up and attached to my trolling motor battery for when my buddies drive. Winch prevents power loading and drawing sand into the motor. DL24055 adapter plate was needed and I put a coupler lock up through the middle of the winch to prevent theft and I bought a cover (shown in pic) to keep the rain out. etrailer sales and support are absolutely fabulous! They helped me figure all this out.


I am a 77 year old man and having to hand winch my small sailboat up on a shore ramp that I have. It was getting to be a bit much, so I decided to look into a 12volt winch. The Dl25200 fit the bill, works great. I have a 12volt battery next to it and a 10 , watt solar charger to keep the battery up, I hope. Time will tell. The service at etrailer was great, good price and fast shipping. Thanks


Works great, fit my trail weight boat trailer, with a 24 foot pontoon



Great use it weekly


I love the winch for the strap is a great upgrade than the power winch with metal cable which would rust, wire strands would break off, and cut your hands, and the cable would not retrieve back on winch even. The cons I see is the strap has become dried out after use on the end at the hook and it wants to double over on same area. Another concern I have is you have to tighten the clutch knob very hard when retrieving in or it will back off and free spin back out. Just have to wait and see if this becomes a problem in the future.


Absolutely a great product I have used before. The trailer is a great company to deal with.


Great experience.


They provided prompt service and gave me some valuable input about winch operation.



Works well, thank you.


I installed this winch as a replacement for the standard winch on my Magic Tilt trailer for my 21ft. SeaFox. I replaced the winch so that my wife would not have to hand crank when helping me load the boat. I only wish I'd done it sooner! It works like a charm, the install was simple and it has held up well. I keep the winch covered with a tarp to keep the rain off of it and I'm sure that has helped. The SeaFox weighs about 3000# plus the weight of the motor, fuel and whatever other junk we've got onboard. If you are looking for a good electric winch to make your life easier, I recommend this one.

Michael H.


After a year of use, we are still very pleased with our purchase and would still recommend this winch.


This has been a great purchase. As I get older it is becoming more difficult to load my boa. This has made using my boat much easier.

Frank H.




This winch has performed great! I wish I would have put this on a long time ago. I'm pulling a 18' aluminium boat on the trailer when power loading is not an option.

Only thing to consider is your path for the wires. I started out following the wiring harness from the back of the truck and ran out of wire. I had to follow the frame on the opposite side for the shortest run. This works fine.

Agian, I sure wish I would have put this on years ago!


I use this to load my boat. Works great. Easily pulls my 16' Alumacraft boat the full length of the trailer. I also like that this winch uses a strap instead of a cable.
One suggestion is to make sure the black clutch knob stays engaged during operation. Also, order the wiring plug cover. It is not listed but available.


Installation on the trailer was straight forward. Running the wiring from the battery to the rear of the truck, and doing a nice job was a little tough.
The winch has worked as advertised , and loads my 18 ft boat without any problems. But having to plug the power cord in at the bottom of the boat ramp is an additional step to get used to.


Beware! Read the specs carefully. We have a 3,900lb boat and a 32 roller trailer. On an average incline boat ramp the winch can barely pull the boat up. The last 3 ft or so the winch cuts out.
Their rating are based on something like a 6 ft pull.
1,500 lbs pull.

Previously we had a Powerwinch brand 4 k winch that pulled our boat out fine. Tree fell on it so we needed a replacement .

The next size up in DL is a 9,000lb winch
We thought that was overkill. Turns out that was probably what we needed. It has a 3,000 lb pull rating. If you take your boats to different launches you know they can vary a lot on the incline. Wouldn’t be fun being at a busy ramp and your whimpy winch couldn’t pull your boat on the trailer. Very disappointed in this winch.
Another $300 boat anchor.


This is a game changer for my husband who has a bad back. Makes loading the boat on the trailer so much easier! Works like a charm!

Julie M.


Wonderful! Husband hated the idea until he hooked it up. Now he wont use anything else.


Boy what a difference this product makes, should have had one years ago. Easy to install and works great (no more hand cranking the boat onto the trailer). I would recommend this winch. Top it off with the great customer service at etrailer.


Great product, used it every day for a week on a 19' glass boat/roller trailer. Used a lawnmower sized deep cycle battery mounted on the tongue in a box. The battery has many more pulls left in it without a charge. Increasingly, boat landings in WI are no power load. This is much safer and easy on the body.


winch worked great easy to install on my boat trailer but the cable provided was to short



so far so good would like to have option to purchase male and female plug in connectors like the ones included with the winch


Good quality, works fine although it grunts a bit on the last couple of feet. I appreciate the use of a pretty universal power connector. Changes of or additional vehicles made so much easier. Like the strap rather than wire rope.


I haven't installed this part yet but I have to say the service was REALLY fast. I ordered it on Tuesday and it was here Thursday. That's great service, after I install the winch I'll write another review. I'm sure there will be no problems with the equipment.



the mounting holes dont quite line up with the crank holes so I had to drill new ones to make it fit the trailor. also the cables should be longer to reach all the way to the full size truck battery. other than that it works fine


Purchased a strong arm electric winch to get our boat out of the water. Should have purchased it at least 20 years ago. It sure works great and makes loading the boat so simple and hassle free. Great for us older folks.


This winch works great on my Lund boat with. 60 hp Mercury. I can now easily load my boat onto the trailer even with arthritic shoulders. Takes a little longer, but oh so much nicer on my arms!


Wow! These guys are the REAL DEAL! I shopped around and etrailer had the perfect winch for my boat, the most detailed specs, the BEST PRICE by far, FREE SHIPPING and on time delivery! Need I say more?


great product so far! It would be nice if a few more mounting holes were drilled in the mounting plate to give you a few more options on mounting.


I am totally pleased with everything about the winch and etrailers service. Read the instructions as you need to loosen tension on the spool when you store for a long period of time. It is easy to release after you do this, but it is easier to avoid by following instructions.


I particularly liked the number of product videos available on the site. One dealt with the wiring and plug connections on this winch. Shipping was very fast, too. I'd use etrailer again for future related purchases.

Show More Reviews

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

  • Can Dutton-Lainson TW4000 StrongArm Electric Winch DL25200 Be Powered By Marine Battery?
    Yes the Dutton-Lainson TW4000 StrongArm Electric Winch - Marine - 1,500 lbs # DL25200 you were looking at can be connected to a marine battery as long as it is a 12v battery that is rated for more than 40 amps. Keep in mind that the battery will not be getting charged from the alternator of your tow vehicle so the battery so you will need to recharge the battery yourself when it is not in use. I recommend the Duracell Battery Charger and Maintainer - LCD Digital Display - AC to DC - 6V/12V...
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  • Does Dutton Lainson TW4000 Winch Come with Strap or Cable
    Hey Mike, so we sell enough of the Dutton Lainson TW4000 Strongarm Winch part # DL25200 that all of our stock are current year models of the winch. This winch has a strap and not a cable.
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  • How to Power Dutton-Lainson Winch # DL25200 with 2008 Chevy TrailBlazer
    Would you be able to send me some pictures of your setup? Typically winches like the Dutton-Lainson TW4000 StrongArm Electric Winch # DL25200 are installed on the boat trailer and they draw power from either the tow vehicle battery via the 12V Power pin on the 7-Way connector, or from a separate battery. If you can give me some more details about how your winch is configured and what you have on your pickup and your Trailblazer I would be happy to help you get it switched over!
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  • What Is The Thread Pitch Of The Replacement Side Knob For The Dutton-Lanison StrongArm Winch?
    I contacted Dutton-Lanison, and they mentioned that the Replacement Side Knob for Dutton-Lainson StrongArm Electric Winch # DL94FR for the Dutton-Lainson TW4000 StrongArm Electric Winch # DL25200, and the Dutton-Lainson StrongArm Electric Trailer Winch - Marine # TW4015, has a thread pitch of 1/2-20.
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  • Is The Dutton-Lainson TW4000 StrongArm Electric Winch A Suitable Replacement For DL1100A Hand Winch?
    In most cases the Dutton-Lainson TW4000 StrongArm Electric Winch # DL25200 can be used to replace the Dutton-Lainson Hand Winch # DL15103. Both these have mounting holes which run down the center of the mounting plate for attaching to most boat towers. And while your hand winch has a smaller footprint the 7" handle is still going to give you a good representation of the overall size of the electric winch. As long as your handle has clearance you should not have any issues with fitment...
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  • Recommended Power Winch to Pull 3,500 Boat onto Trailer
    I recommend the Dutton-Lainson TW4000 # DL25200. It's rated for up to a 4,000 boat and is powered through a quick disconnect hooked up to your tow vehicle's battery. So there's no need to add a battery onto your boat trailer.
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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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  • Mounting Plates for Dutton-Lainson StrongArm Electric Trailer Winch, # DL25200
    The Dutton-Lainson StrongArm Electric Winch, # DL25200, itself is not trailer-specific, so you could use it with any trailer provided that it is mounted properly. We have several mounting kits available depending on where you would need to mount the winch. I have included a link to the installation details for this winch for reference. You can use Dutton-Lainson Mounting Adapter Plate, # DL24055, which comes with the mounting plate and the hardware necessary for installation. Or, if needed,...
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  • Electric Winch Recommendation for Small Boat Trailer
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  • Electric Trailer Winch Recommendation for a Boat and Gear Weighing 4,500 Pounds
    Because a boat is a floating load (rolling load), you will not have to have one that matches the weight of the boat. But if you want to go larger you can certainly do so. The Dutton-Lainson StrongArm Electric Winch, # DL25200, would be more than enough for your application. I have included a link to the installation details for you to view. i have also included a couple of links to FAQ articles on choosing the best winch and wiring a winch.
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  • Does Dutton-Lainson Electric Winch # DL25200 Power Switch have to be Held to Power Load In
    The power switch on the Dutton-Lainson winch # DL25200 is a spring-loaded switch that must be held to power in the load. It was designed this way to reduce the chance of running the motor too long when under load by accidentally leaving the switch on. It is also a safety feature should your hand come off the switch. I recommend going with the version that has a remote, # TW4015. The remote cable for this winch is 10 feet long. If you need a longer remote cable I recommend the Bulldog winch...
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  • Is Fuse or Breaker Needed When Installing Dutton Lainson TW400 Strongarm Winch
    The power wire of the Dutton-Lainson TW4000 StrongArm Electric Winch # DL25200 has a circuit breaker built into it so you would not need to install any additional fuses. The breaker is rated for 40 amps. I attached a review video for this winch for more info as well.
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  • Can Dutton-Lainson TW4000 StrongArm Electric Winch Serve as Boat Strap When Traveling
    I spoke with my contact at Dutton-Lainson regarding the TW4000 StrongArm Electric Winch # DL25200 referenced in your question. She stated that the winch is not designed to serve as a boat strap when traveling so this is not recommended. Once pulled in and onto the trailer with the winch, the boat should be safely secured to the trailer using additional mounting straps and hardware. This particular winch has a load capacity of 1,500 pounds for a boat of up to 4,000 pounds. I have attached...
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  • Electric Winch and Battery Charger for Boat Trailer
    So there isn't a recommended size of battery because you'll be using a 12 volt, and there isn't going to be enough difference (in terms of size) that will matter in regards to using one over the other. I also wanted to point out that batteries do not charge from your 7-way, they only get maintained, so to charge a 12 volt battery you will need a separate charger, the NOCO Genius Smart Battery Charger # 329-GENIUS2. Then for an electric winch Dutton-Lainson TW4000 StrongArm Electric Winch...
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  • Lift Capability of Dutton-Lainson Strong Arm Electric Winch Part # DL25200
    Assuming that your trailer has bunk rollers instead of boards, the Dutton-Lainson Strong Arm Electric Winch, part # DL25200 should be able to handle that 2500 lb boat with no problem. If the trailer just has boards, the resistance they would cause against the bottom of the boat would limit the capacity of the winch. I have included a link to the instructions for you to review.
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  • Emergency Crank Handle for a Dutton-Lainson StrongArm Electric Winch
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    Image 1 for Image 2 for
  • Solution For Allowing Boat Trailer to Winch In Easier
    The simplest solution may be to install roller bunks on the trailer to help you winch the boat in easier instead of using an electric winch for such a small boat. For a 4 foot long roller bunk we have the part # DL21754 which would be a great option. If you were to use the winch part # DL25200 it would mount to the same mount that your trailer has for it's current winch.
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  • Can Remote be Added to Dutton-Lainson TW4000 StrongArm Electric Winch DL25200
    There is indeed a remote available for you to add to your Dutton-Lainson TW4000 StrongArm Electric Winch # DL25200. What you need is the following part: - Dutton-Lainson Remote Hand-Held Switch for DC StrongArm SA Series Electric Winches # DL24054
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  • Would a Dutton Lainson Strongarm TW400 Replace a 1802A Winch
    Your Dutton Lainson 1802A winch attaches using a very standard style bolt pattern. The Dutton-Lainson TW400 StrongArm # DL25200 also attaches to the same universal style winch attachment bolt pattern so it would work well as a replacement.
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  • Recommended Electric Winch to Pull a 4,200-lb Boat Onto a Trailer with Rollers
    Since your boat trailer has rollers on it you can use the Dutton-Lainson TW4000 StrongArm Electric Winch # DL25200 which is rated for a 4,000-lb boat when no rollers are present. This boat winch has a high-impact weather-resistant case which makes it perfect for marine applications. Another great feature is the freewheel-out clutch which allows you to pull the strap out by hand. I have attached a review video for you to check out as well.
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  • Is there a Powered System to Raise and Lower a Ramp Door on a Toy Hauler Trailer
    What some customers have done is used an electric winch such as # DL25200 to raise and lower heavy ramp doors. The winch would have to be mounted up high and back a few feet from the door opening. The line will need to come straight out of the winch at least 12 inches, then to a pulley block such as # CU881080 so that it can turn downward as the ramp lowers.
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  • Can Dutton Lainson StrongArm Winch be Powered from Battery in Back of Truck
    Yes, if you have a battery in the back of your truck you can connect the wires of the Dutton-Lainson TW4000 StrongArm Electric Winch # DL25200 to power it.
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  • Power Wire Installation For Dutton-Lainson StrongArm Electric Winch # DL25200
    The attached instructions for the Dutton-Lainson StrongArm Electric Winch, part # DL25200, explain how the wires should be run on your vehicle when installing. You will run the positive wire from the harness under your truck, avoiding any exhaust or moving parts to the positive post of your battery under the hood. It may also be necessary to remove the circuit breaker assembly from the positive wire in order to feed the wire under the car. You would then fasten the circuit breaker to the...
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  • Clutch Does Not Lock on the Dutton-Lainson TW4000 StrongArm Electric Winch
    There could be two possible reasons as to why the clutch is not engaging when you are pulling in your boat with the Dutton-Lainson TW4000 StrongArm Electric Winch part # DL25200. The first reason is the simplest to fix and it entails tightening the clutch which is explained on page 4 of your owner's manual. The other possible cause is a faulty brake. In order to check this you will want to remove the winch cover to observe which parts are moving as the load slips out. This should pinpoint...
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Used Items Available
Used Picture for Dutton-Lainson TW4000 StrongArm Electric Winch - Marine - 1,500 lbs
Used Picture for Dutton-Lainson TW4000 StrongArm Electric Winch - Marine - 1,500 lbs
Used Picture for Dutton-Lainson TW4000 StrongArm Electric Winch - Marine - 1,500 lbs
Used Picture for Dutton-Lainson TW4000 StrongArm Electric Winch - Marine - 1,500 lbs
Used Picture for Dutton-Lainson TW4000 StrongArm Electric Winch - Marine - 1,500 lbs
Used Picture for Dutton-Lainson TW4000 StrongArm Electric Winch - Marine - 1,500 lbs
Used Picture for Dutton-Lainson TW4000 StrongArm Electric Winch - Marine - 1,500 lbs
Used Picture for Dutton-Lainson TW4000 StrongArm Electric Winch - Marine - 1,500 lbs
Used Picture for Dutton-Lainson TW4000 StrongArm Electric Winch - Marine - 1,500 lbs
Used Picture for Dutton-Lainson TW4000 StrongArm Electric Winch - Marine - 1,500 lbs

Condition: Installed

Notes: Item has been previously test fitted and has minor cosmetic install marks and scuffs.

Our Price: $315.00
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Info for this part was:

Employee Mike L
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Employee Adele M
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Employee Wilson B
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