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By law you need a brake controller is most states if you trailer is 3k# or more. Toyota manual says you should use one for any trailer >1k#. So yes, you need one. As far as which one - I've used the Primus IQ and the Redarc and I recommend the Redarc. They both work fine, but the Redarc knob is much more accessible when you need to make adjustments to the braking force.So I’ve read through pretty much all 30 pages of this thread but still aren’t sure which way to go. I’m a pretty novice tower and we have a 2020 HE that’s probably riding an extra 1” high after I added some more aggressive 285/65/18 Toyo OC AT3s.
Planning to tow a rented 20’ airstream in a couple weeks with a GBWR of 5k lbs and a tongue weight of about 700 lbs. We’re only going like 250-300 miles of mostly highway across VA over 3 days.
I’m convinced I need to add a brake controller so I’m trying decide between just having the dealer install the OEM option or going with the REDARC Tow Pro Elite recommenced on here. Also wondering how much of a drop tow hitch I need and if I should consider any sort of more complex weight distribution hitch or anything.
I don’t mind spending the money to get the good stuff but we’ll likely only tow something that heavy 1-2 times a year.
Would appreciate any advice!
Drop hitch height will depend on the height of your trailer frame. Accoridng to BlueOx, who makes my hitch, to get the proper setup the top of the ball should be 1.5" taller than the coupler on the trailer when both vehicles are parked, not attached, and the trailer is level. With my mild lift and my 2015 Lance I needed a 10" drop hitch. I understand Airstreams are low like my Lance and so your setup will likely be similar.
If the TW is 700# you should use a WD hitch. Toyota recommends them for anything over 500#. IMO you should use them for anything over ~400#. Keep in mind your TW may be heavier than stated by the manufacturer with full propane, batteries, and stuff loaded in the front part of your trailer.