Running it last year the Gardian IMO would be the hardest obstacle and its right off the bat. No bypass but you should be OK as equipped. Everything else has a bypass if need be.
You can always watch the vids on youtube to get an idea of whats out there…
Speski OffRoad LTD, Cargo Solutions for Toyota 4x4's http://www.SpeskiOffRoad.com
"80 series, with a fridge"
1976 FJ40, Project with little progress.
2004 Starcraft 10RT