SumoSprings Trailer Helper Springs w/ Line Relocation Bracket - Single Axle - 3K to 5K - Underslung
(39 reviews)
Price: $299.99
In Stock
SumoSprings Trailer Helper Springs w/ Line Relocation Bracket - Single Axle - 3K to 5K - Underslung
Item # TSS-106-40
Our Price: $299.99
In Stock
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- All Info
- Reviews (39)
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SuperSprings Intl Trailer Suspension Parts - TSS-106-40
- Leaf Spring Enhancement System
- Boat Trailer
- Camper
- Car Hauler
- Snowmobile Trailer
- Utility Trailer
- Jounce Springs
- 3000 lbs
- 4000 lbs
- 5000 lbs
- Single Axle
- SuperSprings Intl
Improves suspension, handling and safety. Progressive spring rate. Provides additional support as needed so you always have a smooth, comfortable ride.
Features:
- Improves suspension, handling and safety
- Provides additional support as needed so you always have a smooth, comfortable ride
- Allows the leaf spring ample movement while cushioning light loads
- Becomes more rigid as more weight is added
- Increases stability, providing great performance while hauling heavy loads
- Raises trailer ride height
- Works independently side-to-side
- Helps compensate for off-center loads
- Reduces body roll when swerving and turning corners
- Works to eliminate trailer sway
- Acts as shock absorbers, taking the brunt of bumps and rough roads
- Reduces load on leaf spring assembly
- Extends the life of your trailer's suspension
- Designed to work with a suspension system that is in good working order
- 2 Jounce-style springs, line relocation bracket, mounting brackets and hardware are included
- Maintenance-free - no tubing to run or air pressure to monitor like with air springs
- Simple, no-drill installation
- Made in the USA
Specs:
- Application: 3,000-lb to 5,000-lb single, underslung axle - springs sit under axle
- For tandem axle applications, use 2 kits
- Fits 1-3/4" wide spring packs
- Capacity: 500 lbs at 50 percent compression
- Do not exceed the trailer's weight-carrying capacity
- Spring dimensions: 4" tall x 4" diameter
- Compresses up to 70 percent of original height with full memory rebound
- Required clearance between top of spring plate and bottom of trailer frame: 6" - 8-5/8"
- Limited lifetime warranty
- 30-Day satisfaction guarantee
TSS-106-40 SumoSprings Trailer Helper Springs with Line Relocation Bracket - Single Axle - 3K to 5K - Underslung
Installation Details
Customer Satisfaction Score:
92% were satisfied with this product
8% of customers were not satisfied
- Wrong item was ordered
- etrailer mistake
- Product did not meet expectations
Customer Reviews
SumoSprings Trailer Helper Springs w/ Line Relocation Bracket - Single Axle - 3K to 5K - Underslung - TSS-106-40
Average Customer Rating: 4.9 out of 5 stars (39 Customer Reviews)
Improves suspension, handling and safety. Progressive spring rate. Provides additional support as needed so you always have a smooth, comfortable ride.by: Diesel Shop04/12/2022
Worked really well, definitely smoothed out the ride. We are finding significantly less chaos with the equipment in the trailer.
The only complaint I would have is trying to use the Sumo Spring for very small enclosed trailers. The STEEL MOUNT was too tall, to meet the relaxed position height, so we cut 1" out of the mount and re-welded together, and repainted. But other than the additional modification it worked great.
by: Dakota R04/10/2024
I purchased these for a 2022 Forest River Wolf Pup 16BHS. During the process of replacing the leaf springs I also had these SumoSprings installed to help with a smoother ride and to increase the longevity of the leaf springs. One year later everything is still working as intended. Would definitely recommend this product to anyone looking for a smoother ride or to increase the life of your leaf springs.
by: Garth 12/03/2022
Well-manufactured and designed product. I'm 74 and it took me about two hours to install on my travel trailer, but there were no problems and it seemed to fit perfectly and do the job I wanted it to do, which was support the leaf springs. Shipping was fast and free, and the follow-up is clear and honest. Great job, etrailer!!
Garth
12/4/2023
Great! No problems whatsoever. If anything these helper springs aided me in avoiding future pothole problems.
by: Glenn E.08/01/2021
My order arrived quickly and correct. I appreciate the tracking emailed to me. The helpers went on easily and just like the video. My only modification was to remove the band on the rear spring. (A five minute task) The RV sits about 1 1/2 inches taller. I prefer this to flipping the axle in order to maintain a low center of gravity. In the picture, the springs actually are vertical when the RV is put back on the ground.
Glenn E.
8/4/2022
One year later, no problems. Everything has worked well. The RV is more stable on the road. Great product, I would buy again without hesitation.
by: Chris Oh09/10/2023
I installed these on my 2022 Forest River Wolf Pup 16FQ Black Label camper. These springs tremendously reduce swaying and augments the leaf springs to make the camper pull much more smoothly.. Highly recommended!
by: M Parker01/27/2022
Easy install on my 2012 Wolf Pup Travel Trailer. I am yet to take it out but the squeak from the leaf springs is gone and it feels much more stable walking around inside. I can’t wait to get it in the road! I gained about 1.5 inches of wheel well space to fender as noted by some other reviewers but my camper is near empty so loaded it will be perfect and I don’t mind having a bit more clearance as I have a low trailer to begin with. No spacers we’re needed for my camper. I would say also I have about .75-1 inch preload vs instructions which say recommended range is 1/4-.5 inches… again I felt OK installing and have used sumo springs in the past with good results.
by: Alberto03/08/2022
I just installed the SumoSprings on a KZ Sportsmen Classic 160QB and it makes a big difference in stability. I also ordered Part number TSS-CTP (contact plate) from SumoSprings since the travel trailer frame is slightly offset and the Sumospring makes only 60% contact. Always great service and useful info from etrailer.
by: Todd 03/20/2024
Paula was extremely helpful. Much appreciated. Would highly recommend
by: Robert 06/22/2023
They were easy to install and did everything they advertised. They smoothed out the ride, stabilized the load on the trailer even when the weight was off center. Well worth the money
by: Reynaldo 06/16/2023
A breeze to install, excellent product.Significanly reduced bounce inside the trailer while in tow running.
by: Robert 11/08/2022
The Sumo springs for our dual axle 25' camper made it more stable esp on windy days and on bad roads. The stuff didn't get thrown from the cabinets.
Installation was easy after taking off the wheels.
by: JJ09/08/2022
Great product, using on a single axle camper with a gross of about 4,800. Had an OEM spring snap before so wanted to ensure the new springs had some assistance for future wear prevention. Trailer is more sturdy to tow for sure. Not a world of difference, but definitely noticeable. Mostly on turns and when larger trucks pass, I can feel the camper shift and sway less, a very welcome feeling. Also, feels slightly sturdy when in trailer. Lastly, it sits a hair higher when fully loaded. Overall, a product I am very pleased with. Price seems a little high for the product you receive (material wise). But, it is a low cost investment for the future.
by: David 07/18/2023
Easy to install. Fit perfect. Waiting to see how they perform.
by: Tsutomu05/30/2023
Easy install and they significantly reduces the side to side roll on my small RV.
by: Art06/19/2022
Worked beautifully on homemade trailer with axle/leaf springs from old Rambler station wagon that easily bottomed out. Needed to do a wacky installation with added spacer, so probably invalidated warranty, but still works like a charm.
by: Howard 05/24/2021
My SumoSprings definitely help with trailer sway on windy days. They were not hard for me to install with standard tools.
by: Kevin 09/28/2021
These were a great addition to my creaky dual-axle boat trailer. The banging and clanging on bumps is gone, and swaying on bumps/corners is reduced as well. An excellent investment!
by: William02/28/2020
Got the wrong product, BUT I called and explained to Jeoff. I didn’t know if I explained it the right or the person didn’t hear me correctly? It really doesn’t matter, I just needed the right part. They are sending me a return label. Then I ordered the correct part. I’ve ordered from eTrailer before and been very happy. I very happy today, all is well
by: Michael 04/20/2021
Perfect fit for trailer with axle over leaf springs
by: Kirpa08/22/2021
Got it and installed last week. Works for the trailer and I am happy with result
httpsThank you Etrailer.
by: P-DuBs03/29/2022
Great price, great service, and lightning quick shipping that arrived sooner than expected. Thanks etrailer!
by: Allan08/05/2021
the mounting bracket should be shorter
by: Roger 08/21/2020
Already installed on my Toy Hauler trailer! Super happy with them! Thank you!
by: Wayne04/28/2022
I can't say as yet how they will perform as I haven't got them installed. I just received the springs today
by: Kip 09/18/2020
Only one on market
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Diesel S.
4/13/2023
Overall its a good product! There is certainly only so much you can do with a single axle trailer, its going to be a rough ride. But the Sumo Springs definitely smooth it out. We have had significantly less damaged items in the trailer after installing them.