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Toyota 4Runner Towing

85 messages,  Last post on Nov 24, 2009 at 7:59 AM

You are in the Toyota 4Runner Forum. Your Hosts are steve_ & tidester

What is this discussion about? Toyota 4Runner, Towing, SUV


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#14 of 85
Re: Toyota 4-Runner Towing [biglatka] by chuck1
Jan 20, 2007 (9:22 pm)
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Replying to: biglatka (Jan 12, 2007 9:26 am)

Here is a great website that explains wheelbase vs, trailer length:
 
http://www.rvtowingtips.com/how-long.htm
 
Please note the 4Runner comes standard with a hitch - but it is not weight distributing! The entire hitch weight rests on the rear axle. To overcome this you need to buy either an "equalizer" or "Hensley" hitch. You can do a search. These hitches put the weight of the trailer on all axles. That means both axles of the tow vehicle and both axles of the trailer. (Assuming a dual axle trailer). And the tow vehicle will stay level if installed correctly.
 
It's complicated... read up on it. But DO NOT consider the weight of the trailer alone! The length must be considered.
 
I have a '05 4Runner w/the XREAS suspension and tow a 21 foot trailer (about 5,000 lbs.) with an "Equalizer" brand weight distributing hitch. IT tows OK - still some sway due to the 109.5" wheelbase. A "Hensley" hitch is better.. but costs about 3K. It would allow a slightly longer trailer to be towed.
 
Good luck!
#15 of 85
Re: Toyota 4-Runner Towing [chuck1] by jdower
Jan 22, 2007 (8:43 am)
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Replying to: chuck1 (Jan 20, 2007 9:22 pm)

I am towing a boat trailer with my 2004 - 4.7 V8. The trailer is between 4500 and 5000 lbs. It pulls fine and has good control, I keep it in 4th gear while towing and it occasionaly drops to 3rd on long hills.
 
My concern is the gas mileage. Without the trailer it gets 18 - 20 mpg on the highway, but once I put the trailer on it immediatly drops to 9 - 10 mpg. Uphill, downhill, fast or slow does not matter; it is as if someone flipped a switch to low mpg mode. Once I remove the trailer, it takes about 30 miles of driving, and then the mileage goes back to normal. I even checked the computer when filling up and it is accurate.
 
I would expect some drop in mileage, but not this much, and not all the time. Any idea on what is going on and does this seem normal? Anyone else check their mileage when towing?
#16 of 85
Re: Toyota 4-Runner Towing [jdower] by chuck1
Jan 22, 2007 (7:57 pm)
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Replying to: jdower (Jan 22, 2007 8:43 am)

When I tow my 5,000 pound trailer (shaped like a big box) I get 10 miles per gallon.
 
So, it seems that pulling about the same weight, our miles per gallon are the same.
 
It also seems that those who tow with Suburbans, get slightly less 8 to 9 miles per gallon.
 
I guess if you play...ya gotta pay!
#17 of 85
Re: need help from those who tow travel trailers [biglatka] by 4driver
Feb 11, 2007 (3:55 pm)
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Replying to: biglatka (Aug 15, 2006 8:59 am)

Howdy, I have 2004 V8 4Runner and after extensive research I bought in 2005 new 25Z (25’ 6” - exterior travel length 27’ 6”) Jay Feather hard-walls trailer, dry weight 4635 lb, when loaded about 5400 lb., and I have put a lot of miles on it since. I have asked two RV experts to test drive the combo before I bough it, and they were both comfortable and found the towing safe. I use equalizers and anti-sway bar; it can get pretty windy in some mountain passes around here, and one can only imagine the wind load on the side of the trailer. I have never experienced unsafe conditions. One thing I should mention is that my trailer is fairly low and has TorFlex® independent torsion-axle suspension. I used to hauled “normal height” 16’ trailer with Ford Expedition, and am not finding any difference in terms of safety. Mileage? About 7.8 on flat, 6.7 up hill……best I had at speed of 55 miles about 9 miles/gallon (US). Of course this is only my personal experience, but I hope it might helps to someone who likes extra space in his/her trailer and owns 4Runner (V8); happy towing!!!
#18 of 85
Re: Toyota 4-Runner Towing [jdower] by blufz1
Feb 11, 2007 (9:47 pm)
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Replying to: jdower (Jan 22, 2007 8:43 am)

I think the "problem" is that when you are not pulling the trailer your car is shifting into top gear which is more efficient than your towing gear of 4 sometimes shifting down to 3. That is probably several mpg. Hope this saves you a trip to the dealer.
#19 of 85
Re: need help from those who tow travel trailers [4driver] by chuck1
Feb 12, 2007 (6:29 pm)
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Replying to: 4driver (Feb 11, 2007 3:55 pm)

According to all the research I have done, about 21" feet (take or give a foot) is all the 109" wheelbase of the 4Runner can handle.
 
I tow w/ an '05 Sport w/the V8 (2WD) (with the equalizer as well) and wouldn't want to tow anything longer than what I tow.
 
You will not find anything different in terms of safety until you get in a severe sway situation. The 25 foot plus length of your trailer will be the "tail" wagging the "dog".
 
Good luck!
#20 of 85
Just be careful by geet
Feb 14, 2007 (10:30 am)
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I always wonder what exact criteria the manufacturers use to justify a towing rating. The 4Runner V8 has all the power you need to tow but the short wheel base, small brakes, smaller suspension, cooling system, transmission and rear end make it a poor choice to tow much over 4500 pounds. I pulled a 5500 pond poat with trailer brakes and was pushed all over the road by it. I now use a 3/4 ton long bed pickup to tow with and feel much safer.
#21 of 85
Re: Just be careful [geet] by chuck1
Feb 14, 2007 (3:31 pm)
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Replying to: geet (Feb 14, 2007 10:30 am)

My 4Runner has the tow pkg. from the factory. This includes transmission cooler, power steering cooler, and larger brakes are standard on the 4Runner Sport.
 
But all this being said - the wheel base is SHORT at 109.5". The information I have learned (and I did extensive research) is that you can safely tow about 21 feet. Anything more than this and it is the "tail" wagging the "dog". And I have an "equalizer brand" WD hich!
 
Ran in to significant cross winds coming back from Palm Springs, Ca this weekend. Even in a full-size truck you would have been pushed around. In my 4Runner towing a 21 foot trailer it was downright scary!
#22 of 85
Re: Just be careful [chuck1] by tidester HOST
Feb 14, 2007 (5:19 pm)
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Replying to: chuck1 (Feb 14, 2007 3:31 pm)

In my 4Runner towing a 21 foot trailer it was downright scary!
 
That's a surface area effect; the greater the area, the greater the force of the wind! You do have to be careful.
 
tidester, host
#23 of 85
4Runner Suspension good for towing? by cohorsewoman
Apr 10, 2007 (3:19 pm)
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Replying to: tidester (Feb 14, 2007 5:19 pm)

I have a two horse bumper pull trailer (17', 4500# loaded), and I need to downsize trucks. I currently have a turbo diesel (way more truck than I need) and a small commuter car and I plan to sell both and get a midsize truck or SUV.
 
I am interested in buying a V8 4WD 4Runner, but I am concerned about the rear suspension. I don't want the rear of the truck to sink when I hitch it up. Years ago I used to haul the same trailer with a GMC Yukon and it SANK when hitched up! I hated towing with the Yukon, so I bought the full sized truck.
 
Any advice from people who tow with their 4Runners is much appreciated!

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