Hole in sump

[Damo76]

Hi guys.
This is my first post and I'm sure it won't be my last.
We have a lovely 2010 patrol zd30 manual.
Which has only done 160000 kms.

We are on holiday down in albany, parked up on chaynes beach we decided to move to a new beach,
I started the patrol and get out to let tyres down more when my Mrs noticed a big puddle of oil on the sand.
I looked under and noticed a hole about the size of a 20cent piece towards the front of the sump, it looks like something been pushed out..

I managed to drive it off the beach quickly and turn it off.
It showed no symptoms, still running on 4 cylinders.
Rac are happily going to tow the car and caravan home 450kms for a 600 excess.
Thank God for roadside assist.

I guess now what?
We are planning on doing a trip around Australia next year, I have now lost trust in the patrol.
Do I debuild the zd30 or put in another motor.
Petrol 4.8? Cummins? Ect?
I wasn't happy with the low end power of the zd30 in sand.
Sitting on the beach at 6am contemplating what to do lol.