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Electric Jack w/ Footplate - A-Frame - 25-1/8" Lift - 3.5K - Black

Electric Jack w/ Footplate - A-Frame - 25-1/8" Lift - 3.5K - Black

Item # EJ-3520-BBX
Retail:$192.78
Our Price: $149.97
You Save: $42.81
Camper Jacks
This item qualifies for Free Shipping
Shipping Weight: 24 lbs
Quantity: 
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Electric A-frame jack has 2 toggle switches for operation. Jack has a retracted height of 9", an extended height of 28-1/2", and 19-1/2" of travel. Drop leg offers an extra 5-5/8" of lift. Includes a manual override handle. 1-800-940-8924 to order etrailer camper jacks part number EJ-3520-BBX or order online at etrailer.com. Free expert support on all etrailer products. Great prices and Fastest Shipping for Electric Jack w/ Footplate - A-Frame - 25-1/8" Lift - 3.5K - Black. Camper Jacks reviews from real customers.
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  • Reviews (1446)
  • Q & A (0)
  • Photos
  • Why etrailer?

etrailer Camper Jacks - EJ-3520-BBX

  • A-Frame Jack
  • Electric Jack
  • 3001 - 4000 lbs
  • 25-1/8 Inch Lift
  • Bolt-On
  • 1 Jack
  • etrailer
  • 2-1/4 Inch

Electric A-frame jack has 2 toggle switches for operation. Jack has a retracted height of 9", an extended height of 28-1/2", and 19-1/2" of travel. Drop leg offers an extra 5-5/8" of lift. Includes a manual override handle.


Features:

  • Electric jack lets you raise and lower your A-frame trailer
  • Drop leg allows for increased lift and saves time when raising or lowering
    • Pin and clip holds leg at desired location
  • 2 Toggle switches on the front of the housing let you operate the jack
    • On/off switch controls light
    • Extend/retract switch controls up and down movement
  • LED light illuminates at a downward angle to help you focus on your coupler
  • Emergency crank (included) allows you to manually operate jack if needed
    • Requires a 3/8" socket to use the manual crank
  • Black powder coated outer tube
  • Zinc-finished inner tube and footplate resist corrosion
  • Simple, bolt-on installation
    • Wires to 12-volt power source
      • 12-Gauge wires
    • Serrated washer included for ground connection


Specs:

  • Bracket height:
    • Retracted: 9"
    • Extended: 28-1/2"
  • Total lift: 25-1/8"
    • Screw travel: 19-1/2"
    • Drop leg travel: 5-5/8"
  • Clearance:
    • 20-1/2" From bottom of bracket to top of jack
  • Outer tube diameter: 2-1/4"
  • Inner tube diameter: 2"
  • Hole spacing on drop leg: 1-7/8"
  • Footplate diameter: 5-1/2"
  • Lift capacity: 3,500 lbs
  • 1-Year warranty


How to Determine the Lift Capacity You Need in a Jack

A trailer jack is designed to lift the tongue of your trailer so you can connect the trailer coupler to your hitch ball. To do this, you'll need a jack with a lift capacity high enough to handle your trailer's tongue weight.


Tongue weight is the amount of weight that your trailer applies to the back of your tow vehicle. Typically, your tongue weight should be 10-15% of your total trailer weight (trailer + cargo). In other words, a 10,000-lb trailer would have a tongue weight between 1,000 lbs and 1,500 lbs. For a trailer this size, you would need a jack with a lift capacity of at least 1,500 lbs.


It's okay to have a jack with a weight rating that is higher than your trailer's tongue weight. In fact, a jack with a higher lift capacity should operate more efficiently, allowing you to spend less time cranking and more time camping.


Trailer and Camper Jack Lift

Every jack offers a certain amount of lift or travel. Screw travel is the distance the jack extends when you crank it (or toggle it to "extend" on an electric model). Some jacks include a drop leg for extra adjustability. On these jacks, you'll see the maximum extension of the drop leg listed in the specs as well. Adding the screw travel and drop leg travel together will give you the total lift. The total lift listed above can help you determine how high this jack will be able to raise your trailer.



EJ-3520-BBX Ram Powered Jack w/ Footplate - Drop Leg - A-Frame - 19-1/2" Screw Travel - 3,500 lbs - Black





Customer Satisfaction Score:


Customer Reviews

Electric Jack w/ Footplate - A-Frame - 25-1/8" Lift - 3.5K - Black - EJ-3520-BBX

Average Customer Rating:  4.7 out of 5 stars   (1445 Customer Reviews)

Electric A-frame jack has 2 toggle switches for operation. Jack has a retracted height of 9", an extended height of 28-1/2", and 19-1/2" of travel. Drop leg offers an extra 5-5/8" of lift. Includes a manual override handle.

by:

Jack is fine, mechanically and electrically. But the plastic lens over the LED lamp would not fit properly, no matter what I did. So I had to use silicone caulk to seal it up.


Comments
We actually sold that trailer, so I have no idea.
David - 08/27/2022


by:

I will give 10 stars to etrailer and its employees. My 1st replacement jack didn't make out so well after a trip on the Long Island Expressway. I contacted the company, and a replacement was on the way in short order. Thank you!
The product itself does seem above average and appears great for the price point. Very easy install. I suggest taking your time with the electrical connection and hooking right up to the point of contact instead of a splice if you can, there's plenty of wire. I now cover the unit with a plastic bag, as my original lasted only 5 years and the insides were all waterlogged and rusted when it failed.




by:

The jack showed up with a damaged top cover and it was missing one of the three star washers used for the bolts. I was able to use one of the old washers and etrailer was very quick to send me a replacement cover with no questions or charges. 5 stars for customer support and service! 4 stars for the jack, works fine but it should not have showed up with the two issues and it was still sealed in the box so it wasn't someone else's return.




by:

This was purchased for my 24 foot enclosed car hauler. Overall I think this is a decent purchase, priced under $120.

The fuse should come from the factory with dielectric grease packed in the little holder as it is located outside of the housing and it's in a pretty rough environment. The power lead length is plenty long for connecting to either a battery mounted on the tongue or service box that all of your trailer wires go into- This is where I wired mine into. I actually used a grommet to plug the hole that the manufacturer ran the power wire through and drilled another hole on the other side so the wire would run straight down the correct side of the jack and into the service box.

One of the screws that mounts the black housing on to the metal frame was pulled through by the time it arrived, so I am used washers when I reinstalled them to help prevent this from happening again.

Other notes:
I will need to get a longer hitch now, as my tailgate will hit the jack housing, and I did purchase a cover for the jack from the recommended bar at the bottom when I purchased this jack.

Final:
I've only cycled it up and down twice but it worked nicely and quietly so overall I am very pleased with my purchase


Comments
Still working well, over a year later. From -30f to 90f and I havent had an issue, except for the light lense got busted. I keep a cover over it which I believe 100 makes a world of difference.
Jimmy - 03/23/2021



by:

We are very happy after 1 year using this jack. It replaced the stock jack on our Black Series HQ15, which has a fully loaded tongue weight of 800 lbs. We did need to trim the upper part of the housing in order to allow our storage doors to open, but unless you have a BS trailer this shouldn't be an issue. It has held up well and worked in some pretty tough conditions, including once when our hitch broke on a steep grade. The screws on the housing are not stainless, so I hit them with a bit of flat black paint when they started to show rust. Other than that, good as new. I would buy this jack again.




by:

Install was easy enough. Getting through the second hole at the bottom of the A frame was a bit of a challenge (paint/powder coat made it a very tight fit. A little filing around the edges of the hole and the jack tube resolves that. Drop leg is a very nice feature! Jack moves a little slower than I had anticipated (thus the 4 stars). Overall, I’m pleased with it and it definitely made hooking up to the load leveling hitch MUCH easier.




by:

I decided to try this after the warranty ran out on my 4th SmartJack. So far, so good. Installation took about 30 minutes. That's with removing and reinstalling the propane tanks and tray for easier access. The power wire could have been a bit longer and the instructions will be difficult if you are not mechanically inclined. No illustrations. I love the fuse location. Much easier to access. If I don't edit my review, you may assume it's still working.




by:

This little rig has teeth! Much faster than i expected. About a 30 minute installation from old lift removal to new and wiring. Super simple. Great addition to my hangar 18!




by:

Installed the new RAM electric tounge jack on my enclosed car hauler trailer. Very happy with this unit. Quick install, like the adjustable foot pad, and operated smoothly. etrailer packages well and deliveries quick.


Comments
Working great. No problems to report. Highly recommend this product and your business! Thanks
Gary D - 04/24/2019


by:

The Jack seems to be great quality and was very easy to install. At first I was a bit perturbed with the lack of detail and small font of the one page directions, but it’s as simple as 3 bolts and one wire to the battery(the hack is grounded inside). It raises my 2017 Jayco Baja much higher than stock crank jack. I hope it lasts the test of time as I am very happy with it this first day. The light seems bright as well.


Comments
After a year it still works great!!! Looks good and works like a dream!
Mike B - 04/17/2019


by:

Shaft is 2 1/4 inch in exterior diameter. The tongue on the Jayco Feather Sport trailer has an upper and a lower plate that the shaft must fit thru. The upper plate hole is 2 1/4 inch but the lower plate hole is only 2 1/16 thus the jack can not be mounted unless you drill the lower hole out to 2 1/4 inch. I did this but most people would not have the time or tools to under take this and would sent the jack back. The literature indicated that this jack fit this trailer.




by:

Works very well on our Lance 1475. My reason for giving it less than 5 stars is the wiring provided for the positive lead. It’s too short to run it properly secured between the jack and the battery box, the manufacturer should add another 12” or so. I had to splice more wire in to make the connection and be able to secure the wire along the trailer frame. Also, a little heavier gauge wire would be a good idea for the amps this unit is pulling. Other than that, the form, fit and function are perfect.




by:

I put this electric jack on a duel axle enclosed 16 foot trailer that I hold my off-road car, tools, spare tires, fuel containers and more. So far this electric jack has worked flawlessly.


Comments
This electric trailer jack stopped working about 4 months ago. It didn’t even last 2 seasons for us. Now I need to raise and lower my trailer by the hand crank, and being handicap makes it very difficult.
Chris C - 08/11/2022


by:

I bought this jack after doing a lot of research. The conclusion I came to was that most of these electric jacks are basically the same design with a different name stamped on them. I like how this one has an inline fuse, a higher lift range, and an adjustable footplate. I read a lot of forums, Facebook pages and reviews on a variety of websites. Etrailer offered the best option for what I was looking for. This jack is well made. It's heavy and solid. It was super easy to install. If you can't install this, you probably shouldn't be pulling a trailer. It was literally 3 bolts and a ring terminal. The wire lead does not come with a ring terminal attached. You have to add your own, which is no big deal. It comes this way so you can cut the excess wire to fit your application. It also came with 3 washers and 3 star washers to ensure a good ground connection on the wiring. The light is super bright as well. Etrailer kept me up to date the whole way through the ordering and shipping process. This was my first purchase from them and it was a great experience.




by:

Got here quickly and was just what I wanted, easy to install actually took as long to hook up the wire as did to install. I would definitely recommend this Ram Jack to anyone wanting a electric tongue jack …


Comments
This jack is a beast and everyone that sees it really likes it. Its done a. fantastic job ,no regrets at buying it at all..e trailers got it going on of sure
keith - 08/25/2022


by:

This jack was super easy install and super fast shipping from etrailer. Customer service is always top notch with these guys and it's my go to site for everything trailer and towing. And it's so nice not cranking that old manual jack anymore!


Comments
1 year later and zero problems with the jack. Still works like the day I installed it
JD - 07/28/2022


by:

Electric jack has exceeded my expectations by lifting the trailer off the hitch. The trailer is a 16ft tandem flatbed and weighs quite quite a bit. The electric jack lifts it with ease even with something in it.
Great purchase!




by:

I ordered this jack for my vintage 1976 RV. It is very solid, strong, works perfect. E-trailer is very professional, quick service, great communication. I always check them first for my needs.




by:

My second jack from etrailer, previous jack was very dependable and worked very well for years.
This one will replace the previous jack which as damaged by user forgetting to retract it before attempting to drive off, no fault of the previous jack. etrailer service, quality and price is fantastic.
All of my RV club fellow members are etrailer fans.




by:

Fast shipping, box intact with all items. Install and fit were perfect. Goes up and down, the LED light operates correctly. Quality and price seem about right. Replaced manual jack (same brand, RAM) on travel trailer. Expect to drop and hook trailer about 20 times a year. Have 1,000Lbs tongue weight as well as lifting up to set weight distribution arms.




by:

Very solid and heavy duty jack, with bright LED lighting, manufactured by Ram. Adjustable foot piece for quicker adjusting... Jack pretty easy to install, with single wire electrical connection and 3 bolts. Jack has low gear ratio and foot shaft moves slowly, but has plenty of power to lift front of trailer. Plenty of clearance behind jack for propane tank cover on our Airstream. Replaced more expensive model that was bent at mounting flange being winched onto transport trailer.


Comments
Jack is still slow and steady and has worked perfectly since installation... The adjustable foot unit is about an inch too tall for at lowest position some sites, based on low hitchball height of our tow vehicle, but we have used the shorter foot from prior jack as an alternate, and that solved problem...
John - 02/09/2019


by:

We purchased this for our camper. Overall, the jack is a good purchase. It has plenty of power for the camper. However, the electrical cord attached to the jack was too short and there was one lock washer and one regular washer missing. Also, there was no instructions on how to connect it, so I looked it up on[line]. Other than that, it's a good purchase.


Comments
Oh no! We will get that missing hardware sent to you! We do have video instruction:
-- Etrailer Expert Sierra K - 06/21/2022


by:

Everything was Delivered quickly. The plug fixed my issues with my trailer brakes and the new jack is so much better than the manual recommend it to everyone easy install




by:

I bought this jack to replace a Smart Jack on which the buttons/membrane broke. I have used this RAM jack for a year and have had no problems. The one minor annoyance is that I cannot open my tailgate with this jack while I could with the previous jack. I keep my jack head covered with an Ultra Fab protective cover.




by:

Ordered a motorized trailer lift. It works great, saved my husband's shoulder from being sore. This item was delivered promptly with status updates. Have purchased from etrailer before and will use them again. Good customer service.


Comments
Great! Makes setting up and breaking down so much easier and saves my shoulder from aching!
Sherran R - 06/29/2021

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See what our Experts say about this etrailer Camper Jacks

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    If you have an A-frame trailer with a 2-1/4 inch hole in the mounting platform, the etrailer.com electric jack, part # EJ-3520-BBX, will work well for you. The bolt holes on the mounting plate are slotted to allow for slight variances. The outer tube that measures 2-1/4 inches in diameter which needs to fit in the hole of your trailer as well.
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  • Extended and Retracted Bracket Heights of Electric Jack w/ Footplate # EJ-3520-BBX
    The bracket height (distance from mounting bracket to bottom of foot) for the Electric Jack w/ Footplate # EJ-3520-BBX is 9 inches when retracted and then 28-1/2 inches when fully extended.
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    If your new Electric Jack # EJ-3520-BBX works for a few seconds and then stops (but then works again after a time), and you have verified that full 12V power is passing through the fuse this tends to suggest an intermittent connection problem in the wiring or switch. Since the LED light, which needs only a tiny amount of power to work, does not function either this suggests a complete power interruption. The troubleshooting step I can recommend is to unbolt the jack and sand off the bottom...
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  • Troubleshooting Powered A-Frame Jack that Clicks and Wont Work with Good Battery
    Based on your description of the problem it sounds like your jack has a bad ground connection since you said the battery is good and it's clicking which typically indicates that the jack motor can't draw enough power to operate. This jack part # EJ-3520-BBX grounds through it's mounting hardware so you need to make sure it's attached to a clean metal surface (it should be) but also that the main ground harness of the trailer wiring is also connected to a clean metal surface on the trailer...
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  • How Would etrailer.com jack # EJ-3520-BBX get Lubricated
    With powered jacks that don't have lube points like the etrailer.com jack # EJ-3520-BBX our manufacturers have recommended turning the jack upside down and spraying lithium grease down into the leg of the jack to try and soak all of the moving parts.
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  • Troubleshooting Electric Jack Not Functioning
    If your electric jack is not working and you keep blowing fuses, check to ensure your ground is good the next thing you will want to check is the wiring to ensure there are none that are damaged or loose. A damaged wire, or even one that is crimped, are what would cause a short that would blow fuses. This is almost certainly the issue, because with a jack on a new trailer it is probably not going to be something like the switch. So definitely check your grounds first as this is often the...
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  • Does Electric Jack w/ Footplate # EJ-3520-BBX Come with LED Light
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  • Will etrailer.com Powered Jack Bolt Right Up to Aliner Rockwood HW212 Model
    Thanks for the picture of your new Aliner, from that I can tell the trailer uses a standard a-frame trailer jack and the etrailer.com jack # EJ-3520-BBX would simply bolt right in place of what you currently have.
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  • Ram Powered Jack Just Spins In Place
    It sounds like there is a bad main screw inside the RAM jack part # EJ-3520-BBX is damaged. Powered jacks have a main screw that turns inside a threaded shaft that allows the jack to rise or lower. When the shaft breaks the screw just allows the jack to spin in place. Unfortunately there is not a repair kit that will allow you to fix the inner workings of the powered jack. It would be easy to just replace this with the same etrailer # EJ-3520-BBX tongue jack. You could also consider...
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  • What Is the Amp Draw Rating of the Electric Jack with Footplate Part EJ-3520-BBX
    The Electric Jack w/ Footplate part # EJ-3520-BBX has a max amp draw rating of 30 but it could vary based on how much tongue weight it is lifting at any given time.
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  • Determining Tongue Weight and Selecting Electric Jack for 2004 Eclipse Attitude Camper
    Your tongue weight is about 10-15% of the loaded trailer weight so if your Attitude weighs 5500 pounds empty plus let's add for example 2,500 pounds, your maximum tongue weight would be 1,200 pounds. An option like Item # EJ-3520-BBX Electric Jack w/ Footplate rated to 3,500 pounds is my recommendation. Using a jack rated over the tongue weight allows for your jack to lift quickly and have a longer life of use. This jack is also simple to operate with just two toggle switches and the...
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  • Weight of the etrailer Electric Jack
    The etrailer Electric Jack w/ Footplate # EJ-3520-BBX weighs 24lbs.
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  • Troubleshooting RAM 3500lb Electric Jack Not Extending With Switch Or Hand Crank
    It sounds like the gear inside of the Electric Jack w/ Footplate - A-Frame - 25-1/8" Lift - 3.5K - Black # EJ-3520-BBX you have is stripped causing it to not engage when trying to extend the jack. As a temporary fix you can try to have someone pull down on the foot of the jack while attempting to extend the jack, but you will need to replace the jack with another # EJ-3520-BBX to fix the issue completely as there is not a rebuild kit available for the jack. I included a video of the #...
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  • Can Electric A-Frame Trailer Jack EJ-3520-BBX Be Installed With Head Facing Left Or Right?
    Yes. The Electric Jack w/ Footplate - A-Frame - 25-1/8" Lift - 3.5K - Black # EJ-3520-BBX can be installed with any of the bolt holes facing forward which will put the head of the jack to the right or left as the bolt pattern is the same no matter which direction it is installed. This is a popular thing to gain a little extra clearance to open your tailgate. I included a video of the # EJ-3520-BBX for you to take a look at.
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  • Can I Use the Electric Jack w/Footplate on 7700-lbs GVWR Trailer
    Yes. The Electric Jack w/ Footplate # EJ-3520-BBX is a great choice for any trailer that has a tongue weight of less than 3500-lbs, which your 7700-lbs GVWR will surely have. This jack can give you up to 25-1/8" of lift for your trailer, so you'll want to make sure you don't need more.
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  • Recommended Electric Trailer Jack Replacement for Jayco Eagle Pop Up Camper
    The Electric Jack w/ Footplate part # EJ-3520-BBX is my recommendation for an electric trailer jack replacement for a Jayco Eagle Pop Up Camper. It will be a direct bolt-on swap. It has a 3,500 lb capacity which will be more than enough. It has a light for use at night and comes with a manual crank handle in the event of a power loss.
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  • Recommended Electric A-Frame Jack For 25' 7200lb Travel Trailer W/ 600-700lb Tongue Weight
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    At most, the tongue weight of your travel trailer will be around 500 lbs. With its 3500 lb lift capacity, the etralier brand # EJ-3520-BBX jack has plenty of capacity to handle the tongue weight of your travel trailer and to provide sufficient lift to the rear of your truck to release enough tension on your spring bars so they can be easily removed when necessary. If you click the provided link, you can see a product demonstration video featuring the # EJ-3520-BBX A-frame trailer jack.
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  • Troubleshooting etrailer EJ-3520-BBX Electric Trailer Jack
    Can the jack be operated manually? Try using the manual crank that was included with the jack to ensure the mechanism is operating freely. It may sound very obvious, but make sure the trailer mounted battery is fully charged and that the wire connection to the battery is secure. If the jack is powered by its connection to the 12 volt circuit on the trailer connector, make sure that circuit is active and the fuse that protects it hasn't blown. Sometimes, if the powder coating on the jack's...
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  • Electric Trailer Jack Blows Fuse
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  • Recommended A Frame Trailer Jack for My 9,600 lb. Mallard M33 Camper
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  • What Does Electric Jack w/ Footplate # EJ-3520-BBX Weigh
    The Electric Jack w/ Footplate # EJ-3520-BBX that you referenced weighs 24 lbs. It has a 3,500 lb lifting capacity. I attached a review video for the jack as well!
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  • Could etrailer.com Jack # EJ-3520-BBX Clear Tailgate
    That's hard to say since there are factors that affect tailgate clearance aside from just the jack # EJ-3520-BBX. The overall length of the ball mount is a factor that affects this as well as the distance from the jack mounting flange to the center of the coupler ball hole. The # EJ-3520-BBX measures 5-1/4 inches total forward of the coupler jack mounting flange. See attached picture. Typically with that info you'd be able to determine if the tailgate would open.
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    Image 1 for
  • How to Determine if 3,500 lb A-Frame Trailer Jack is Rated Properly for Trailer
    Based on my research a 30 foot 2013 Milan Eclipse, has a maximum GVWR of 6,200 lbs (there are a number of models, and some have lesser GVWRs). This means that the trailer's tongue weight is going to be under 1,000 lbs, so the 3,500 lb rated # EJ-3520-BBX has more than enough capacity for the trailer. Determining if the capacity of a jack is right for your trailer is actually pretty simple. The weight rating of the jack only needs to be rated for the tongue weight of the trailer, which...
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