i've had 7 or 8 landies, 2 which i totally rebuilt from scratch up.
to say that you can abuse a standard landy off road without damage is just wishful thinking. although i think a lot of peoples idea of "abusing offroad" falls way short of what i mean.
ashcroft makes a good living selling uprated parts to cope with strains of off roading. from half shafts to transfer boxs