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Moving a small boat, jet ski, or utility trailer around the driveway or garage doesn’t have to be a strain. The etrailer Boat Trailer Jack w/ Wheel has a 6" caster that swivels a full 360°, letting you steer and position the trailer by hand with ease. The sidewind handle gives you smooth control, and the entire jack swings up and locks in place when it’s time to tow. It’s a simple design that’s heavy-duty where it counts so you can roll your setup exactly where you want it.
Saltwater, rain, and road spray can destroy an unprotected jack in no time, but this one has a clear zinc finish that keeps corrosion in check. It’s made for the realities of boat and recreational trailer use—resisting rust even when stored outdoors. The tough outer tube measures 2" in diameter, with a 1-3/4" inner tube that’s strong and stable under load. It’s the kind of protection that keeps the crank turning smoothly season after season.
Installation doesn’t require welding or modifications. The included clamp-style bracket and mounting hardware bolt right around trailer frames from 2" to 4" tall. Once installed, just pull the spring-loaded pin to swing the jack up for travel or drop it down to lift. With a retracted bracket height of 13-1/2" and an extended height of 23-1/2", you get a 10" of lift to easily level or hitch your trailer.
This manual sidewind jack supports up to 1,000 lbs, giving you solid lifting power for small boat, jet ski, or light utility trailers. The 7" handle radius provides steady cranking leverage, and the smooth-turning bearings make operation easy even under load. Whether you’re swapping out a worn-out factory jack or adding one to a custom setup, this unit delivers dependable performance without the bulk or complication.
Customer Satisfaction Score:
99% were satisfied with this product
1% of customers were not satisfied
Ratings & Reviews
I bought the trailer jack to replace an old broken one. The jack came as expected and was easy to mount. I like that it only took 4 bolts to install. The bolts that came with the jack were a little too long fore my application but I was able to replace them with shorter bolts, an easy fix.
The jack works great, the handle is easy to turn and I can raise and lower my trailer with little effort. The wheel pivots and rotates freely making it easy to move and maneuver my trailer when it's not hitched to my vehicle. When the trailer is not hitched to my vehicle the jack locks into the down position using a spring loaded pin. When the trailer is hitched the jack simply rotates out of the way just by pulling the spring loaded pin and locks into the up position for travel.
Definitely happy with the trailer jack and always happy with etrailer.com
Tom
This jack is heavier duty than it looks. Much needed for my motorcycle trailer that didn't come with one. Install took ten minutes.
Works great no problems just using it for very small lawn tractor dump cart
Great trailer jack for the price. Sidewind handle is comfortable to grip and it spins very smoothly with little to no gear noise. The double bushing on the crank are a nice feature not found on many jacks in this price range. Easy installation on my PWC trailer. I have no complaints. Thanks again etrailer.com for a great product.
Received the Jack quickly, was as described in the ad. Installation took 15 minutes and it works great!!
Installed on aluminum frame Legend Enclosed trailer.
Kurt H.
4/26/2018
Jack has held up well, works very good.
It's great to have a heavy duty Jack that makes moving my loaded utility trailer easy to move about. The purchase process was straight forward and smooth. Customer service at etrailer was great, too. The Jack easily mounted and works great.
Great product at a fair price. etrailer customer service is second to none.
Patrick
2/12/2025
As advertised. A real back saver.
Needed a replacement jack for my boat trailer. Although I have ordered from etrailer before and have always found the quality to be very good, I was not expecting much for the price of this jack. Was very surprised when the jack arrived. Very well built! Solid construction. I expect this will be the last jack I need.
Tony P.
8/27/2018
Everything has been good. All the products that I have purchased from you guys are holding up great.
A nice, heavy dolly jack. Quality seemed very good. Search as I did, I still came up short one 3/8-16 nut so had to go to the store to get one. I found the main bearing bolt to be very loose. When I attempted to tighten it up it came to what felt like the end of the threads on the bolt and still allowed a bit more slop than I would have liked in the retracted/stowed position. I expect it will rattle in transit but probably get swamped out by all the racket usually associated with the ball/receiver connection.
John C.
1/12/2021
Ive used this retractable dolly for over a year now and it is functioning well. Definitely performing as intended.
I received trailer tongue jack MJ-1206B, and installed it on my new light-duty boat trailer loaded with my 300-lb partially completed boat, but the jack is not yet in full service. There were no instructions included with the delivered package. The online video was helpful, but not a satisfactory replacement for the lack of good written instructions. Thus it is unclear how to lubricate the internal mechanical assembly, and it is unclear whether the main pivot bolt can be/should be tightened to reduce lateral wobble in the loaded jack. Without instructions, some users may have trouble figuring out which of the several provided installation holes to use (at least one user did have this outcome).
In addition, during maneuvering of the trailer on my garage floor, I noticed the wheel was severely dragging, and upon examination I found plastic shavings on the floor. This was the result of the wheel sliding laterally along the pivot bolt (to the outside of the turn) and forcefully contacting the sharp corner of the wheel bracket, which then acted as a “shaver” on the edge of the wheel. The fix is simple: I’ll install spacer washers to prevent the wheel’s sliding, but the manufacturer should have provided such spacers. Due to this defect and the lack of instructions, I am rating this product with 3 stars.
Ralph
4/25/2021
The above fix installation of spacer washers on axle worked. After one year since purchase, the tongue jack has been performing well, without problems. The use has been only occasional since the trailered boat has just now been completed. Tongue weight is light, at about 75 lbs.
It seems to be good quality. I bought one from Amazon before and it only lasted 2 years. Seems durable with smooth gears.
Changed out with the old one easily and works as described
Good jack for my utility trailer. I wanted something with a wheel to make moving the trailer easier by hand
I’m happy thanks
Always easy to order and fast delivery. Thank you.
I received exactly what I needed.
Brooke M.
6/27/2025
Booyah! Looks great :) This on a work trailer? Whatcha towing?
It was here in 1 day. Easy to install, price was right
Put this jack on my boat trailer and it is working real well
Haven't installed it yet, but from the other one I bought, I know this is going to go well.
Dan
Jack works fine after I made a slight mod to it. When change the position of the stand the level to hold the stand the the position you set, would slam in so tight, you needed a hammer to change it back. I took the level off and drilled a hold in the bend of the level and added a washer and cotter key. works great now. Friend of mine had the same problem, he just drilled the hole a little bigger. I tried to attach a couple picture to this email but not sure if it worked. If you didn't get them let me know and I will forward a email that I sent to myself that has them attached. hope you can understand what I'm trying to say. that's why only 3 stars.
Works fantastic with the trailer hirch and wiring I bought from etrailer!
The first trailer jack/W-wheel was too tall but I would like to return it.
First let me say that Customer Service at etrailer is outstanding. The first jack I tried was recommended for my trailer by a tech but it did not fit my trailer. Customer Service was quick to help me out by authorizing the return and recommending the MJ-1206B jack which arrived in two days. The jack fit fine but there’s some “play” between the mounting bracket and the swivel bracket, and the jack stood slightly off vertical once the weight of the tongue was on it. Unlike a stationary jack there would need to be some amount of play between the brackets so that the jack can easily swivel up and down, which it does and it rolls easily as well. A previous review described a similar condition so it appeared the bolt and space between the two brackets was likely preset correctly although the reviewer said he was able to tighten the bolt somewhat, which I was unable to do. I called customer service and was told there would be some play between the brackets and the jack should operate fine. I need to move the trailer by hand each time I use it so it will get a good test of its durability. Again, customer service is excellent at etrailer!
Al B.
3/31/2019
My MJ-1206B trailer jack continues to function properly after a year of use and makes moving my trailer easy.
I replaced the tongue jack on my 2004 Montauk 17 trailer with this new one. I wish I'd done it 5 years ago! 15 minute install, immediate improvement. I can operate the jack with one hand while crouching down next to the boat. I had no idea how easy it *should* be until I installed it. If you're on the fence with a rusty, worn out, and difficult to operate jack, I'd order a replacement.
I have a utility trailer that came with an A-frame jack that wore out. I was looking for a marine jack with a wheel to make it easier to roll the trailer around and get it hookup up to my vehicle and to roll it back into it's storage spot. I wasn't looking for anything high dollar.
The first marine jack with wheel and swivel was a lesser expensive one from the big box store with a snap ring where the swivel attaches. It was also not fully serviceable and the swivel part was quite sloppy and provided a lot of play back and forth and side to side.
After 1 of the gears started slipping it was time to replace it.
This one from eTrailer was a little more expensive, but sooooo much smoother cranking with the bearing inside and the bolt on the swivel does not have the play the other one did. It is also fully serviceable. I tried to tighten it up some, but appears there is thread lock blue on the threads, so I left it as it.
As many have mentioned, the bolts were too long for the thickness of the trailer frame, so I just hacksawed them off.
Happy with this product.
Brooke M.
4/30/2025
So glad to hear you have found something you really like! Hopefully your next outings will be this much more enjoyable with a reliable jack ready to go :)
Awesome product. Just the right size for my application.
Christopher H.
9/17/2026
Looks great David! Thanks for including the photo of your setup.
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Kirk
8/30/2023
Trailer jack wwheel has worked excellent for the last year. I plan to get another one for our cargo trailer which has a post jack that doesnt retract or swivel and drags on low egress or speed bumps. Another one of these swivel wheel jacks will work just perfect. Thanks etrailer