Need a D90 SME - GVWR, GCWR, Towing capabilities... - Defender Source
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  #1  
Old August 17th, 2012, 08:23 AM
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Chuck
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Need a D90 SME - GVWR, GCWR, Towing capabilities...

I've exhausted searches on our site and the interwebs... what i am looking for is the foremost SME (subject matter expert) regarding towing capabilities, limitations, and the extensive dynamics involved with the NAS D90.

Goal: I need to understand what i need to do to ensure that my mod'd D90 will be able to pull an Airstream (22', 2500lb). She already has a built up suspension system (xheavy springs, 3-link, etc...) looking for power plant/drivetrain advice.

* yes, i understand that a D90 is far from the ideal tow vehicle for this application. but like my husky, she's been loyal to me, and i am/will remain so to her...
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  #2  
Old August 17th, 2012, 08:32 AM
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The 90 will tow 5000 pounds with the factory hitch, but the short wheel base and the 3 link may make it squirily.
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  #3  
Old August 17th, 2012, 11:39 AM
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I have towed a Pop-up with mine, R380 300 Tdi, with out a problem. But the trailer does want to push the truck under braking. If you do not have brakes on the airstream yo may not like the towing of it in the D90.
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  #4  
Old August 17th, 2012, 01:54 PM
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Quote:
Originally Posted by snosrfr View Post
I've exhausted searches on our site and the interwebs... what i am looking for is the foremost SME (subject matter expert) regarding towing capabilities, limitations, and the extensive dynamics involved with the NAS D90.

Goal: I need to understand what i need to do to ensure that my mod'd D90 will be able to pull an Airstream (22', 2500lb). She already has a built up suspension system (xheavy springs, 3-link, etc...) looking for power plant/drivetrain advice.

* yes, i understand that a D90 is far from the ideal tow vehicle for this application. but like my husky, she's been loyal to me, and i am/will remain so to her...
you modified it ... all bets are off!
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  #5  
Old August 18th, 2012, 03:06 PM
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Scott,

yeah - class III heavy duty tow set up. I am concerned about the loose 3-link rear end but do have a sway bar that will help with that...

Mike,

that is good to hear. what's the overall weight of your pop-up? I am going to go with a tandem axle model (also reduces tongue weight) and will definitely have brakes on both. I'm just now starting to research different trailer break systems (any advice?).


does anyone have any advice regarding either aftermarket rotors/pads, or powerplant options (definitely leaning towards a diesel)?

thanks,
-Chuck
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  #6  
Old August 18th, 2012, 04:17 PM
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If you are keeping it rover go with the V8 or the TD5.

Not sure I would tow with a 3 link but then again I am a wus and do not think I would tow that much with a 90 even with stock suspension.

Need trailer brakes for sure
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  #7  
Old August 19th, 2012, 09:54 PM
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i come up w/ very little when trying to find detailed threads re: successful diesel conversion applications for 90's...

i'm looking to get the greatest increase in low-end power while hedging the negatives (extensive mod's to drivetrain etc). I'm not overly concerned about the additional weight, it will actually improve steering/handling due to the 3000lbs i will be towing.
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  #8  
Old August 19th, 2012, 11:02 PM
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i do believe i've found a proper solution (well, to the powerplant piece...)

http://www.ecologicalvehiclesolution...A_4BT_D90.html

just emailed Shane...
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  #9  
Old August 19th, 2012, 11:32 PM
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ed angel
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That is pretty darn cool!
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67 NADA diesel tremec 4spd salisbury rear springs on front and a LOT MORE TO GO.

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  #10  
Old August 20th, 2012, 01:25 AM
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...and here is a write-up the owner (Holt Webb) did for 'Land Rover Monthly' on the conversion.

http://holtwebb.blogspot.com/search/label/d90


expensive but very well done!
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