Helper Spring Solution for 2021 Toyota 4Runner Towing 3700 lb Travel Trailer

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Question:

i puchased anew 2021 4runner a few weeks back,and will be towing a 17 viking tt with a loaded weight of 3700lbs,empty its 2700,two questions,the factory hitch bolts to the cross member,due u guys know what the rated tongue wieght is by chance? this hitch doesnt look like to me its rated at 5000lbs but the dealer swears it is,second is the squat when im hooked up, was 1.75-2.00 inches would the timbren set up work to correct the squat? rated towing @5000lbstongue weight,who knows,dealer says 500lbs, im pretty skeptical about these specs,if the timbren would correct the squat i will buy them,please advise

asked by: Brad

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Expert Reply:

I wasn't able to determine the capacities of the OEM hitch on your 2021 Toyota 4Runner, the only references I could find was to the 500lb TW/5000lb towing capacity of the vehicle itself 'When Properly Equipped'. In the list of equipment needed to achieve that, the 'integrated towing hitch receiver' was mentioned, so it would be a very safe assumption that the hitch capacity would match that of the vehicle.

With a loaded weight of 3700 lbs, the tongue weight would range from 370-555 lbs, so you'll want to watch how you load the travel trailer so you don't exceed that 500 lb tongue weight limit.

The Timbren # TTORSEQ you mentioned would help with that sag by offering up to 6000 lbs of additional support but Timbrens can also make for a fairly rough ride that you might not be happy with.

The SumoSprings, part # SS78DR would be a better choice because they're made of a softer material that would provide a significantly better ride quality. They offer up to 1000 lbs of additional support which is plenty to handle any sag caused by the tongue weight of the travel trailer you mentioned.

I've linked to a product description video for the SumoSprings # SS78DR helper springs I mentioned.

expert reply by: Mike L

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Answer 1

For your 2018 Toyota 4Runner, between the 6,000 lb Timbren Rear Suspension Enhancement System #TTORSEQ and 1,800 lb SumoSprings Solo Custom Helper Springs #SS78DR, since your trailer is only 4,000 lbs you will not have a heavy tongue weight so I…

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Answer 2

Between the 1,400 lb SumoSprings Solo Custom Helper Springs #SS68DR and the 1,800 lb Kit #SS78DR I recommend going with the 1,800 lb kit. These won't affect your daily drive but will offer the support you need when you are going Overlanding.…

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Answer 3

The only suspension enhancement product available that is confirmed to fit the rear axle of your 2017 Toyota 4Runner is the Timbren Rear Suspension Enhancement System #TTORSEQ. These jounce-style springs will do a nice job of reducing rear sag on…

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Answer 4

The heaviest-duty suspension enhancement we have for your 2022 Toyota 4Runner 4x4 is the Timbren Kit #TTORSEQ. Timbren jounce-style springs like this are known for being able to help out with heavier loads, however they are also know to make the…

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Answer 5

The Black SumoSprings Solo Custom Helper Springs #SS78DR having he higher weight capacity of 1,800lbs will not compress as far as the Blue #SS68DR with the same amount of weight. Do remember that with these on your 2006 Toyota Sequoia since the…

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Answer 6

For suspension enhancement on your 2021 Toyota 4Runner limited I recommend the SumoSprings Solo Custom Helper Springs - Rear Axle #SS68DR. These are maintenance-free and will help keep you level. They use progressive load control so they springs…

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Answer 7

I can definitely help. What I recommend is the SumoSprings #SS68DR. These will level you out and give the extra support you're looking for. They will also help smooth out the ride while towing and minimize sway. SumoSprings also have a…

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Answer 8

With an unloaded ride on your 2006 Toyota Sequoia, there will be approximately 1 inch of space between the axle and the bottom of the SumoSprings Solo Custom Helper Springs #SS68DR. These are a light capacity helper spring, and if you are off-road…

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Answer 9

For your 2022 Toyota 4Runner I recommend the SumoSprings Solo Custom Helper Springs #SS78DR which are confirmed to fit all models of the 2022 Toyota 4Runner. These helper springs help support a heavy load to level your ride and minimize sway. They…

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Answer 10

Nope! The SumoSprings Solo Custom Helper Springs - Rear Axle #SS68DR you're looking at are going to work with all models of the 2019 Toyota 4Runner, so it'll work just fine with the KDSS option. These springs at 50 percent, have a…

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Answer 11

The SumoSprings Solo Custom Helper Spring part #SS68DR aren't side specific, the brackets and springs can be installed on either side. That said, you will need to make sure they are orientated correctly depending on what side they're…

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Answer 12

I recommend using the SumoSprings Solo Custom Helper Springs #SS68DR on your 2022 Toyota 4-Runner with the Tuson Asymmetric Sway Control #335TSC-1000 on your TAXA Mantis Overlanding trailer. There currently is no way of using a weight distribution…

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Helper Spring Solution for 2021 Toyota 4Runner Towing 3700 lb Travel Trailer

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