Would you tow 9,000 lbs with a D90? - Defender Source
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  #1  
Old November 19th, 2017, 02:34 PM
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Would you tow 9,000 lbs with a D90?

According to the owners manual for the 1997 NAS - the max towed weight is 7,716 lbs.

I have a 25' boat on a triple-axle trailer that comes in about 8,800 lbs; which I've been pulling happily with a neighbors Toyota Tundra.

I'm curious what limits the towing rating - is it mostly engine-ability?

I have a 4.6 engine in my NAS, and a very short tow ~ 3 miles from boat ramp to my place. Max legal road speed is 35 mph - and it's out in the boonies enough that I could putter along at 15 or 20 if i wanted to.

Given my scenario of - bigger engine, don't need to go fast or far, triple-axle trailer with really good disc-brakes - how foolish would it be to try this with the Landy?

The trailer is mechanical brake - so requires downhill grade to apply. I'm most nervous of the idea of having to stop pointing up a hill and the Landy brakes being the only thing holding.

Oh - and the boat is Arles Blue if that is an important factor
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  #2  
Old November 19th, 2017, 03:48 PM
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the short wheel base makes it too squirmy when towing, the weight of the trailer compresses the back end of the 90 and your front end goes to the sky.
also too easy to jackknife in panic brake mode.. I drive 18 wheelers, pulled many cars with various rovers. in my experience nothing less than a 110 wheel base makes me comfortable when towing.
pulling is half the battle, stopping the other half. play it safe.

not preaching just offering my .02 based on personal experience.
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  #3  
Old November 19th, 2017, 04:15 PM
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I agree, I wouldnt recommend it.
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  #4  
Old November 19th, 2017, 05:04 PM
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A 3 mile tow at or under 35 mph? Id do it without a second thought.

I have been known to make idiotic bad decisions.



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  #5  
Old November 19th, 2017, 05:22 PM
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I had no idea the tow rating was that high for some reason I thought it was in the 3500 range.


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  #6  
Old November 19th, 2017, 06:29 PM
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Quote:
Originally Posted by dave_lucas View Post
I had no idea the tow rating was that high for some reason I thought it was in the 3500 range.


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Well to be honest, that's the most you should pull with one...

I'd do 9k if I had to, once, for 3 miles. That's it
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  #7  
Old November 19th, 2017, 06:50 PM
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The limit is not the engine but brakes. With air brakes, more common in Europe, Defenders are rated for 4000 kg or about 9000 lbs. With only search brakes it is indeed 3500 or appr 7700 lbs

Have done both many times without a problem.
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  #8  
Old November 19th, 2017, 07:44 PM
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A 90 is awesome for backing a boat trailer. The longer the wheel base of the tow vehicle the more of a pita it is to back a boat down the ramp. I used to pull my 24ft baja speed boat on two axle trailer also with surge brakes for that reason. I had to back the boat 50 yards back into my driveway which had some compound turns with shrubs right up to the driveway and the 90 was the only way to get it done. A classic or 110 were both too long.
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  #9  
Old November 19th, 2017, 07:50 PM
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Would you tow 9,000 lbs with a D90?

I plan on towing a 13 Scamp next summer with my 90 but it is under 1500 lbs dry so I doubt I will even feel it back there.

LS 5.3, 6 speed with HD axles all around but better brakes and longer wheelbase would be nice


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  #10  
Old November 19th, 2017, 07:52 PM
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I towed a 12k mini excavator and trailer with my 200tdi 110, stock brakes disc/drum.

Don't do that, was sketchy as fuck.

You can seriously upgrade your brakes for little money, that's the first step. Even the lowly 200 has the balls to tow big loads, juts not up hills or at highway speed.... Local only
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  #11  
Old November 19th, 2017, 09:28 PM
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Towing is about controlling the load and getting it all stopped when necessary. If you're just going around the corner to the neighborhood boat ramp no biggie, but if you're hitting the road and getting up to speed then you probably need tell the wife you have to buy a new 4x4 F250 6.7 liter Power Stroke King Ranch Superduty. To keep the children safe of course, it's all for the kids.
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Old November 19th, 2017, 09:53 PM
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Exactly. Even a light load can throw you off the road in a 90, but if the trailer has brakes of any kind, I wouldn't worry much about such a short and slow run.

I've towed all sorts of braked trailers (lifts and bobcats) with my 90, but my freewheeling seadoo boat trailer nearly tossed me because of an idiot that crossed three lanes to make an exit. Thank God for that hard shoulder and dirt run off I used every inch of.
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  #13  
Old November 19th, 2017, 10:11 PM
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I'd do it esp if there aren't any traffic lights or hills.
That said, I bought a dually diesel crew f350 for hauling. Really nice to be able to accelerate up the pennsylvania hills from 75 mph with a 8000 load in tow.
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  #14  
Old November 19th, 2017, 10:28 PM
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Quote:
Originally Posted by o2batsea View Post
I'd do it esp if there aren't any traffic lights or hills.
That said, I bought a dually diesel crew f350 for hauling. Really nice to be able to accelerate up the pennsylvania hills from 75 mph with a 8000 load in tow.
8k is childs play for that truck
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  #15  
Old November 19th, 2017, 11:55 PM
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I may have a similar dilemma: D90 with a 400 HP 6.2 LS, Wilwood brakes, 12 mile distance to cover and a 5000 lb boat and trailer combo. Haven't decided yet if I want to tow or leave the boat on a slip.
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  #16  
Old November 21st, 2017, 11:55 PM
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Appreciate all the input - given the feedback I'm leaning towards not trying. It's certainly not flat - and there are some medium hills over the 3-miles. Narrow roads would make it impossible to turn around if I chicken out

While a shiny new F350 is tempting - I only need to trailer in/out twice a year to get out of the big storms in the winter.

Boat is an Arles Blue Defender. SAFE Boat Defender - not Landrover Defender

At the risk of being too matchy-matchy - I kind of like the idea of the Defender towing the Defender, but I like the idea of not crashing both of them even more.

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  #17  
Old November 22nd, 2017, 12:22 AM
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Those things are awesome...ex USCG?
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  #18  
Old November 22nd, 2017, 12:33 AM
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Originally Posted by phoenix37 View Post
Those things are awesome...ex USCG?
Yeah. The first generation was a 10-year platform for them - so there are a bunch of 2005-2006 hulls getting auctioned off. Often they sell them hull-only with electronics and engines stripped, occasionally you can find them included. There's a great guy (Todd Reger) in LA who buys and fixes them up Link: RHIB Unlimited, which is how I sourced this one. It's a fun ride.
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  #19  
Old November 22nd, 2017, 05:57 AM
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Quote:
Originally Posted by dave_lucas View Post
I had no idea the tow rating was that high for some reason I thought it was in the 3500 range.


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Low range use boosts tow rating-up into the range hes looking at towing.

Agree with anyone who says Im crazy cos Id do it only in low range and if trailer has brakes that the 90 can activate. Surge or electric.


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  #20  
Old November 22nd, 2017, 06:06 AM
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Brakes and wheelbase are your enemy. I towed a 110 on my 24' car trailer with a 4.3 V6 powered 88" at highway speeds over about 20 miles. I can only say it was nerve racking and stupid dangerous. I'd never attempt it again. In your situation I would consider the tow at well less than 35mph (even if it starts to feel comfortable) assuming there are no issues you've failed to mention and there is a brake controller in the vehicle.
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