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1981 Case 406
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385 Posts
Thanks again for your answer, There are some on Ebay right now, The aluminum MRAP supposedly weighs 78lbs so it says. That is w/o the tire of course, There is a similar wheel listed but it is made of steel and it is listed at 116lbs per wheel w/o rubber. The tire itself is listed at 222lbs and it is new. Yeah, I agree the Unimog Nato rims are lighter.
 

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1986 U1300L Expedition Camper
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437 Posts
Hi uni406, I have verified the mass of various wheel / tire combinations on a pallet scale. I think this might help answer some of your questions. Changing from the stock setup to the Hutchinson MRAP wheels & 395 XZL combo adds just over 50 kg per corner. I suggest to remove the runflats in each tire. They dramatically increase the overall mass of the wheel / tire system with little to no benefit for general civilian use.

OEM 11X20 steel wheel: 33.66 kg
Michelin 365/80R20 XZL: 70 kg
Total: 103.66 kg

Hutchinson10X20 Al wheel: 34.5 kg
Hutchinson bead lock: 13 kg
Aluminum adapter plate: 5.5 kg
Michelin 395/85R20 XZL+: 100 kg
10 bolt studs & nuts: 4.5 kg
Total: 157.5 kg

The Hutchinson part numbers are:
Outer component: W0-1137 B
Inner Component: WI-1137 F
Beadlock: N/A (sorry, I don't have this part number)
Seal: N/A (sorry, I don't have this part number)

Hope that helps.
 

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1981 Case 406
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385 Posts
Thank you sir!
That is very, very helpful information. Hope others will see this as well.
Thanks again!
 

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2001 W163 ML270CDI / 2006 W164 ML500 / 1986 U1300L Unimog
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187 Posts
It could be worse. My Trilex wheels are 80kg BEFORE putting rubber on them. I dream of alum MRAPS for my U1300L hahaha.
 

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UNIMOG, Gelaendewagen
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922 Posts
These guys have great prices on MRAP Hutchinson wheels. What you’ll pay through the nose for are good adaptors. Couch’s are a really nice option.
 
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