With a lot of money and time you can build a better rock crawler than a stock Series Land Rover, but for a go most places anywhere in the world decade after decade with just basic maintenance and not too careless driving they can not be beat.

[img]http://siteground237.com/~gunsandr/attachment.php?attachmentid=5926&d=1386223641[/img]

Here is my old girl.

As to the wading / fording failures pictured above, these old trucks are only limited by their drivers need to breath. Somewhere I have a pic of an acquaintance's Series Truck crossing a river fully submerged with him riding and steering from on top of the truck.