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Ultra-Fab Power Twin II Electric Stabilizer with Dual Motors - 30" Lift - 6,000 lbs

Ultra-Fab Power Twin II Electric Stabilizer with Dual Motors - 30" Lift - 6,000 lbs

Item # UF39-941705
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Ultra-Fab Products Leveling Jack,Stabilizer Jack - UF39-941705
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It's never been easier to stabilize, help level and help raise your travel or 5th-wheel trailer. This electric stabilizer spans the width of your rig for maximum support and has dual, 12V motors that function independently for simple leveling. Call 800-298-8924 to order Ultra-Fab Products camper jacks part number UF39-941705 or order online at etrailer.com. Free expert support on all Ultra-Fab Products products. Guaranteed Lowest Price and Fastest Shipping for Ultra-Fab Power Twin II Electric Stabilizer with Dual Motors - 30" Lift - 6,000 lbs. Camper Jacks reviews from real customers.
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Ultra-Fab Products Camper Jacks - UF39-941705

  • Leveling Jack
  • Stabilizer Jack
  • Electric Stabilizer
  • 6000 lbs
  • Bolt-On
  • Ultra-Fab Products
  • 30 Inch Lift

It's never been easier to stabilize, help level and help raise your travel or 5th-wheel trailer. This electric stabilizer spans the width of your rig for maximum support and has dual, 12V motors that function independently for simple leveling.


Features:

  • Cross-frame-mount jack stops front-to-back and side-to-side motion of travel or 5th-wheel trailer
    • Provides support across the width of your motor home or trailer
    • Stabilizes with wide side support brackets
    • Able to be used at the front of the trailer
      • Not recommended for use on front of motorized vehicle
  • Dual, 12V motors operate independently of one another for simple, effective leveling
  • Connecting bracket holds sides of stabilizer together and provides additional support
    • Adjusts to fit the width of your trailer or RV
  • Extra-large footplates help to minimize sinking and tilting
  • Emergency hand crank included
  • Sturdy steel construction


Specs:

  • Application: trailers and RVs with frames from 48" to 80" wide
  • Bracket length: 36"
  • Lift: 30"
  • Weight capacity: 6,000 lbs when extended to 30"
    • Weight capacity when legs are extended to 15" is 3,000 lbs
  • 3-Year warranty


39-941705 Ultra-Fab Power Twin PT II Electric Stabilizer with Dual Motors - 30" Lift - 6,000 lbs

Installation Details UF39-941705 Installation instructions




Customer Reviews

Ultra-Fab Power Twin II Electric Stabilizer with Dual Motors - 30" Lift - 6,000 lbs - UF39-941705

Average Customer Rating:  4.6 out of 5 stars   (58 Customer Reviews)

It's never been easier to stabilize, help level and help raise your travel or 5th-wheel trailer. This electric stabilizer spans the width of your rig for maximum support and has dual, 12V motors that function independently for simple leveling.

- UF39-941705
by:

I love this product, I wish I'd bought and installed it sooner. It took some installing, you might need to solicit help from a friend unless you're stubborn like me, in which case it's doable solo. The wiring is the most challenging, I found adding a dedicated circuit directly from my battery via a heavy duty fuse was the way to go. The function and performance is flawless and makes leveling at the campground or storage location child's play. 655786



- UF39-941705
by:

The Jacks are considerably more durable well built compared to the Lippert models. The lifting power is real and once on the ground the prevent movement of the RV by orders of magnitude over the other style jacks. I only have one in the center of a long trailer and it has stopped the bouncing and side to side swaying of the trailer. Just stepping onto the stairs to get in its rock solid. Also when all the legs are deployed the doors close way better than they ever had with just the Lippert jacks on the front and back. Definitely recommend to anyone thinking about a better jack than what's provided oem. 307523



- UF39-941705
by:

I want to give this product 5 stars as they are a very nice set of stabilizer jacks that are very heavy duty but I'd have to say that the quality control from Ultra Fab is not great. The connecting bracket, part # 39-841642 on both sets was very poorly fabricated. On one set the holes were not drilled in a straight line and therefor did not line up with the holes on the jacks forcing me to drill new holes and on the other set the bracket was actually a whole quarter of an inch narrower at one end than the other and the jacks did not even fit into the bracket. Due to time constraints and not being able to be down more than a day after cutting off the old jacks I was forced to cut the bracket and weld it back together straight so that it was usable. Costing me an extra 2 hours of time and frustration. Nice jacks otherwise but I advise to assemble them completely and make sure the parts line up before removing your old parts. 662077



- UF39-941705
by:

Quick follow up after a year or so of use on the Twill ll Electric Stabilizers. I have one set on rear and one set on front of my 28' Coach. I have found that it is better to use a solid piece of 12"x12" hard wood for the feet to rest on while setting up the camper at site. the plastic ones seem to push in after a bit and I have to re-adjust. As far as the Jacks are concerned, they perform as they should, making the coach very solid with little to no movement. I have had 0 issue's with them since I installed. Not a super easy task by yourself in your driveway but not that hard either. just take your time, run heavy gauge wire for power so no drop in amp. all good! thanks, 445259



- UF39-941705
by:

Was subpar can’t lift trailer doesn’t do a very good job at stability would not purchase if I knew what they were like 598066


Comments
The ultra fab stabilizer part # UF39-941705 is not designed to lift. If you are looking for a stabilization system that can also lift the trailer I recommend lippert Travel Trailer Leveling System part # LC672136
Electric Ground Control TT Automatic 5-Point Travel Trailer Leveling System - 10,000 lbs
$2,915.43
. 5 motorized jacks will lift the trailer and level it with a fully electric system. The system can be operated by the included control panel or with your smart device. The best thing about the lippert leveling system is that it includes hitch height memory for automatic leveling when you are ready to hook up again.
-- Heather A - 01/17/2019

48647

- UF39-941705
by:

I finished the assembly and install of the power twin II stabilizer and have included pictures of the install. This is a good quality unit and I am very happy with how it works. Bob 291792



- UF39-941705
by:

It took a while before I installed it, and it was a pretty involved effort putting it on our 5th wheel but after it was installed it worked as I hoped. Actually my wife wanted it more because she despised it when I used the chordless impact wrench because of the noise it made in a quiet campground. Now it is simple, quiet and I dont use blocks under the jacks so it is a lot quicker to set up and what makes it really nice is my bride can take on that set up/take down task. I didnt give an excellent review because of the effort to install (but truthfully there were no shortcuts to get the equipment installed other than to have paid for someone to do it for me) They also recommended putting the switches in an enclosed box on the rig. That isn't very feasible so I mounted mine on the side of the rig above the jack so you can watch what's happening. I also put exposed weatherproof switch covers on to keep them from getting brushed off or tampered with while traveling. All in all worth the money and effort. 854594



- UF39-941705
by:

Good product! 3 day delivery, no missing or damaged components. 2 hour install...an extra pair of hands is very helpful. I completely assembled the device, left all fasteners a litle loose, slid underneath my 36' trailer. Set width beforehand plus one half inch using jack legs to raise against trailer frame then adjusted finish width. Sure makes life easy for someone with physical limitations. 713754



- UF39-941705
by:

Ultra-Fab Products Power Twin II Camper Jack Good product, however we bought it for our class c RV, it didn’t fit right but we were able figure a way to get it to work. 693112



- UF39-941705
by:

Having newer higher travel trailer the scissor jacks that came with the unit couldn’t reach the ground and blocking had to be carried. The electric stabilizers do come in different length legs depending on what you need. They work great, mounting them to the frame was a little work. I was able to do the work myself. Deciding where to mount your switches and how to run wire to them takes some planning. The jacks themselves are very sturdy when down and can lift the camper (not recommended). 673841



- UF39-941705
by:

After installation the stability or my toy hauler was increased X3. The installation was relatively easy and all that was needed was common tools and a floor jack. Wiring was covered by simple easy to follow instruction. Some shrink wrap and a solder gun make permanent water resistant connections which I recommend. 653355



- UF39-941705
by:

I received the leveller/stabilizer as expected. The instructions for installation were clear and I found it easy to assemble and install them. Wiring was a bit tricky because of my trailer design, but worked out fine in the end. I have just returned from a three week trip and can recommend this product whole heartedly. One thought I have had is that a manual version might be satisfactory, using a drill to drive the gears until they engage with the ground, and then using a manual crank after that. The motors are a bit slow to drop the feet to the ground because they also have the necessary torque and gear ratios to lift the corner of the trailer. All in all, a great product. 647307


Comments
I continued to use the trailer until parking it for the winter in the fall of 2019. The stabilizers continued to work well. I have nothing further to add, unfortunately, until this pandemic is done.
Jeff C - 05/28/2020

77852

- UF39-941705
by:

The stabilizer was a great purchase. It has lived up to it’s description as advertised. I did have to make some alterations. Because I have a slide out carrying rack on my 2010 Cougar 5th wheel, I had to weld the stabilizer to the frame so I could use the slide out rack. It works great. I highly recommend the product. 613986


Comments
Great product. The levelers worked as advertised and brought a very noticeable stability to my 5th wheel that was not present with the original equipment that the trailer was equipped with...scissor jacks.
Robert - 03/26/2020

71769

- UF39-941705
by:

The Jack's came really boxed up well. They came in 3 boxes. Assembly was really not a difficult task. I built them in my driveway and slid the right under the camper. I do recommend that you get a real good measurement of your trailer frame (outside to outside) before putting under trailer. That way you not crawling under your trailer 10 times to move adjusting bolts TRUST ME ON THIS ONE! These Jack's are really heavy duty. Must say they are a very well made. Better then the stuff new trailers are coming with off the lots. 608834



- UF39-941705
by:

I Love these Electric Stabilizers, They work Great. They Make setting up and taking down, so much easier. The Duel Motors have plenty of Power and give you complete control of leveling both Sides Independently. The only Negative is the Glass fuse style Fuse Holders that come with them, They work intermittently at Best. Replace with the Blade Style Fuse Holders. Much Better. 607721



- UF39-941705
by:

1 bad switch but very good product 523885



- UF39-941705
by:

Nice product. Shipping was fast and communications were good. Heavy duty stabilizers, I'm sure they will be more stable than the old scissor jacks. The only problem I had was the one ear was broken off of the one switch. Does not effect function but when you buy something new you expect it to be right. 523701


Comments
Works good no problems
Ken T - 06/19/2019

56816

- UF39-941705
by:

Best investment we've made for our 5th wheel--eliminated a lot of the shaking and makes our camp stays so much more enjoyable. I wish we had done it sooner. 499148



- UF39-941705
by:

the power rear jacks work great. 478968


Comments
great product
RON W - 03/10/2019

50347

- UF39-941705
by:

Thanks for all your help. Everything went great. 458099



- UF39-941705
by:

Awesome product!!! Heavy Duty compared to what came on my Grand Design that bent!!! Only one downside is that when it was shipped a nut and bolt package was left out. Called manufacturer and they shipped 2 day ups to me. Other than that great product. 441231



- UF39-941705
by:

Order 2 one for front and one for rear of my pull behind camper. Love them. 432009



- UF39-941705
by:

Finally got around to installing my PT II Stabilizers 30" front and rear of our 26' Surveyor. Pre - assembled them to make sure they went together ok. Luckily I had two sources for power front & rear which made wiring easy, I used a Buss block to make all positive connections, grounds straight to frame, soldered all connections and heat srinked to seal. Using the 3/8" self tappers was fun.Well got it all together and all works well makes trailer very stable, don't have to worry about scissor jacks collapsing anymore. 422980


Comments
Working well they make our trailer very stable compared to the sizzor jacks that came on our trailer well worth the money. Install was easy and had them spot welded to frame.
Chuck - 09/18/2018

43707

- UF39-941705
by:

Everything good so far I have one question when I attach the jack to my frame of my camper the direction show 3/8 Bolt but should I use a bigger one like a 1/2 ? 420342



- UF39-941705
by:

Very well built system! My favorite feature is the independent toggles for each side, thus adjusting the angles to your needs. 408281


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Show More Reviews

Ask the Experts about this Ultra-Fab Products Camper Jacks

  • Replacement Stabilizer Jack Recommendation to Replace Lippert Kit on Sunnybrook 5th Wheel
    Since the jacks sound like they are pretty damaged all around it's probably time for a new setup. The Ultra Fab kit part # UF39-941705 is a very popular option that would work well for you. It has a 6k capacity and the ability for 30 inches of lift.
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  • Replacement Gear Motor for Ultra-Fab Trailer Jack
    For a replacement motor and gearbox for your Ultra-Fab powered 5th wheel jack you can use part # UF39-750009 if you have either stabilizer model # UF39-941705 or # UF39-941707. All Ultra-Fab parts are displayed on the linked page.
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  • How Does Ultra Fab Stabilizer Jacks UF39-941705 Attach to Frame
    You can run the mounting bolts of the Ultra Fab Stabilizer Jacks # UF39-941705 up from the bottom or down through the top. Whichever works best. You wouldn't want to submerge the switches under water but they will easily survive rain and normal outside weather. I attached a picture that shows the setup attached to a trailer frame for you to check out.
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  • Recommended Stabilizer Jacks for 2016 Forest River 2608WS Travel Trailer
    I can't find the factory stabilization specs online, but I think you are correct in your assumption. To replace these jacks I recommend the Ultra-Fab Power Twin II Electric Stabilizer with Dual Motors - 30" Lift - 6,000 lbs # UF39-941705. This allows individual side adjustment up to 30 inches of lift. For a manual option, I recommend the Ultra-Fab Power Twin II Manual Stabilizer for Trailers and RVs - 30" Lift - 6,000 lbs # UF39-941704. For stability under the slide I recommend the...
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  • Recommended Landing Gear For 2004 CM Stock Livestock Trailer
    I spoke with my contact at Ultra-Fab about the Power Twin II Electric Stabilizer, part # UF39-941705. They recommend not using this system because of the movement any livestock would make in the trailer. They said any movement would cause additional stress on the system and they would not recommend it. This system is not designed to lift, as it is made to stabilize a steady load only. I recommend installing a tandem landing gear set like part # BD500154. This certainly has the capacity...
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  • Replacement 6-Amp Stop Switch for Ultra-Fab Stabilizer Jack
    For the Ultra-Fab Power Twin II Electric Stabilizer with Dual Motors # UF39-941705 that you referenced we do offer a replacement switch. I checked with Ultra-Fab to confirm and the correct part number is # UF17-101014. This is sold as a single switch so you will need to order two to equip both side of your stabilizer.
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  • Can the Ultra-Fab Power Twin II # UF39-941705 be Used to Lift or Level a Travel Trailer
    The Ultra-Fab Power Twin II # UF39-941705 were designed as stabilizers and not actual lifting jacks. You could, however, potentially install Electric Ground Control TT Automatic 5-Point Travel Trailer Leveling System # LC672136 which can do lifting in order to level the trailer. This system was previously only available for 5th wheel trailers but they came out with a travel trailer version recently. The greatest thing about this system is that it will level the trailer automatically....
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  • Recommended Leveling System for a 2018 Thor Motor Coach Gemini 24TX
    For your 2018 Thor Motor Coach Gemini 24TX, I recommend the Ultra-Fab Power Twin II Electric Stabilizer part # UF39-941705 which works with frame rails spaced between 48" to 80" apart. This system has dual motors which operate independently of one another for simple, effective leveling. Please note that this stabilizer is not used to lift the motorhome but rather provide support to prevent rocking. I have attached a review video for you as well.
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  • Will the Ultra-Fab Power Twin II Electric Stabilizers Fit a Palomino Puma
    The Ultra-Fab Power Twin II Electric Stabilizer with Dual Motors part # UF39-941705 will work on most trailers but you will need to take a quick measurement of your frame rails (outside to outside) to ensure they are between 48" to 80" wide. I am almost positive your Palomino Puma is within this range but it will be a good idea to check this beforehand. I don't have any specs on a Palomino Puma to look this up for you unfortunately. The weight of the trailer will not be an issue as the...
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  • What are Dimensions of the Motor of the Ultra-Fab Power Twin II Electric Stabilizer # UF39-941705
    I went and pulled a replacement motor # UF17-750007-003 from our warehouse for the Ultra-Fab Power Twin II Electric Stabilizer # UF39-941705 and found the dimensions that the motor is 7-1/4 inches tall and the base of the motor measures 4-3/4 inches by 3-1/2 inches.
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  • Can Lippert Ground Control Stabilizer Jack be Used on Bumper Pull Trailer
    Lippert Ground Control # LC358590 is designed for 5th wheel trailers so it is not a good option for your bumper pull trailer. There isn't an automated system like this for travel trailers at this time from us.
    view full answer...
  • Does Lippert Stabilizer Jack LC337199 Work on 2014 Thor Chateau?
    There is a potential option for a power stabilizer jack for your 2014 Thor Chateau, but Lippert Stabilizer Jack # LC298707 has very specific mounting hole spacing of 68-11/16" and is better used as a replacement for trailers that have these mounting dimensions already. Instead, I recommend the Ultra-Fab Power Twin II Electric Stabilizer # UF39-941705, which is designed for either trailers or RVs that have a frame between 48" and 80". It has dual 12V motors that operate independently of...
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  • Replacement Powered Rear Stabilizer for Jayco Eagle
    I could not find any data on a stabilizer product code 377199 but we do offer complete electric stabilizer kits like the Ultra-Fab # UF39-941705 (rated for 6K and 30-inches of lift). This and all such kits are shown on the linked page. All offer bolt-on installation. For a Replacement Motor and Gear Box Assembly for this unit you can use part # UF39-750009.
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  • Electric Stabilizer Jack for a Keystone Passport with 22 Inches from Frame to Ground
    Since you are at 22 inches it would not hurt to go with the taller model # UF39-941705 especially since you never know the type of terrain you might be in. I have included a link to a video review of this jack for you.
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  • Recommended 4-Point Electric Stabilizer for Trailer
    The Ultra-Fab Power Twin II Electric Stabilizer # UF39-941705 referenced in your question is a single unit that features two extending legs for two points of ground contact. The cross-frame-mount jack will provide great support accross the width of your motor home or trailer and has dual, 12V motors that operate independently of one another. This is not sold in pairs. If you are looking for a 4-Point system, I recommend checking out the Lippert Ground Control 3.0 # LC358590. This system...
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  • Dual Motor Leveling Jack Recommendation for Class C Motorhome
    The Ultra Fab kit part # UF39-941705 would be a great option. This attaches to the bottom of the frame of your camper and allows you to independently control to jack legs on either side of the trailer to level and stabilize it. I attached a review video for this jack for you to check out as well.
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  • Difference Between # UF39-941705 And # UF39-941707 Ultra-Fab Stabilizer Jacks
    The lift capacity and strength is the same for either of the power stabilizers you referenced. They both have dual motors which operate independently, making it easier to level the motorhome or trailer. The difference is the lift distance and what size trailer they will fit. The Ultra-Fab Power Twin II Electric Stabilizer, part # UF39-941707, has a 22 inch lift capacity and is designed to fit trailers with a frame with between 42 and 77 inches. The Ultra-Fab Power Twin II Electric...
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  • Electric Stabilizer Kit Recommendation For 2018 Surveyor Forest River
    The Ultra-Fab Power Twin II Electric Stabilizer with Dual Motors part # UF39-941705 will work well on the 2018 Surveyor as long as the frame is between 48-80" wide. The stabilizer will give you a 30" lift and install on the bottom of the frame so you want to make sure you have enough room.
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  • How Many Electric Stabilizer Jacks are Needed for Jayco Jay Flight Trailer
    Whether or not you will need two of the Ultra-Fab Power Twin II Electric Stabilizer Jacks # UF39-941705 on your Jayco Trailer, or just one mounted to the rear, will ultimately come down to your personal preference along with what you currently have installed at the front. If the front of your trailer is supported just by a jack, then the closer you get to the front the more likely it is to sway and for you to experience instability. Most likely, using just one unit will be enough to...
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  • Can Stabilizer Jacks for RVs Also Lift Trailers
    Typically stabilizer jacks and leveling jacks are the same thing. The Ultra Fab part # UF39-941705 can do both as well. It can lift up to 30 inches from where the jacks are mounted on the trailer. When the jacks are at their max height they have a capacity of 6,000 lbs and when they are at half height (15 inches) they have a 3,000 lb capacity. You should note that these jacks aren't designed to lift the tires off of the ground. Their capacity is for the weight of the trailer, but not...
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  • Availability of Auto Leveling Scissor Jack for a 2017 Keystone Passport Elite
    We do not currently offer any automatic leveling systems for you to use on your 2017 Keystone Passport Elite, however we do have another option. The Ultra-Fab Power Twin II # UF39-941705 is an electric stabilizer that uses dual motors for easier leveling than doing it by hand. It has a fairly universal design since it can fit on trailers and RVs that have frames which range from 48-80 inches wide. Another great feature is the extra-large footplates that are on the stabilizer. The stabilizer...
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  • Stabilizer Jack Recommendation for Keystone RV Sprinter Campfire Edition
    For your Keystone RV Sprinter Campfire Edition the Ultra Fab Stabilizer jack part # UF39-941705 would work well. It can fit a wide range of frame widths between 48 and 80 inches and can do a lift of up to 30 inches. We don't have specific fit info on whether it will fit your trailer but based on how universal this kit is it should fit well.
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  • Can Ultra-Fab Power Twin II Stabilizer Jacks be Used on a 2017 Minnie Winnie 31K
    The Ultra-Fab stabilizers # UF39-941705 and # UF39-941704 are very similar and have all of the same specs. But there is one important difference. Set # UF39-941704 is manually operated and # UF39-941705 comes with 2 motors for electric operation. It might be possible to install a set on your 2017 Minnie Winnie 31K but there isn't a lot of space on the underside of that RV so it is possible, even likely, that the stabilizers will not fit. When fully retracted the stabilizers will hang...
    view full answer...
  • Availability of Stabilizer Jack to fit Cedar Creek Fifth Wheel Trailer
    As long as the frame of your trailer is between 66-5/8" to 69-5/8" wide the stabilizer jacks part # UF39-941602. For a setup that has a wider width range we have the Ultra Fab part # UF39-941705 which fits trailer frames that are between 48 and 80 inches.
    view full answer...
  • Will Using Front to Back and Side to Side Stabilizers and Jacks Damage the Frame on a Trailer
    Stabilizer jacks such as # UF39-941705 are not meant to do any lifting, just support weight and make it NOT feel like you are on a boat when you move about inside your trailer. So the chance of causing frame damage to the trailer is statistically zero. There is no specific place you have to mount the stabilizer so it can be as near or far from the wheels as it has to be. You will want to place it in the frame where the side to side movement is most likely. We also have slide-out...
    view full answer...
  • How to Determine Fit of Ultra-Fab Power Twin II Electric Stabilizer
    It is very likely the Ultra-Fab Power Twin II Electric Stabilizer # UF39-941705 will fit your trailer, though we don't have any way of knowing specific fits. It is easy to determine, though, as all you need to do is measure outside-to-outside of your Grand Design's frame. If that measurement is between 48 inches and 80 inches then you can use the Ultra-Fab Power Twin II Electric Stabilizer with Dual Motors # UF39-941705.
    view full answer...
  • Stabilizer Jack Recommendation for 2007 Fleetwood Tioga Class C 31M
    For the rear of your 2007 Fleetwood Tioga Class C 31M the Ultra Fab stabilizer part # UF39-941705 that you referenced would work well as long as your trailer frame is between 48 and 80 inches in width. The lift range is up to 30 inches so as long as your trailer frame is lower than that in height these will work well.
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  • Recommended 6,000 Pound Electric Stabilizer for 2020 Stryker Toy Hauler
    For your 2020 Stryker 3112 Toy Hauler I really like the Ultra-Fab Power Twin II Electric Stabilizer Jack # UF39-941705 because of its dual motor design. Having a separate motor at each end of the jack allows for more accurate side-to-side leveling when you're loading it up in the garage along with faster, more efficient operation. It features the needed 6,000 pound weight capacity when fully extended and up to a 30" lift. On your toy hauler you can use two units, one at the front and...
    view full answer...
  • How to Determine if Ultra-Fab Power Twin II Electric Stabilizers Will Fit
    It is very likely, but we don't have any way of knowing specific fits for stabilizers, though I can tell you how to determine this. All you need to do is measure outside-to-outside of your Sportsman's frame. If that measurement is between 48 inches and 80 inches then you can use the Ultra-Fab Power Twin II Electric Stabilizer with Dual Motors # UF39-941705.
    view full answer...
  • Stabilizer Jacks for 2010 Holiday Rambler Savoy LX- 34ft Travel Trailer
    The Ultra-Fab Power Twin II Electric Stabilizer with Dual Motors # UF39-941705 can be used singly at the front of your bumper-pull Savoy LX Series M-34SKD or as a set with front and rear units. The key is whether you can access a suitable mounting point in the rear of the trailer that will not interfere with any other equipment or cause ground clearance issues. You may want to first install one unit at the front of the trailer to see how you like those results and then install a second...
    view full answer...




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