F&R diff locks that the user can control will take you further than terrain response with an e-diff. As we all know, the e-diff is good but it isn't a locker.
The Grenadier would be just about perfect if it had EAS... but it will be fine without.
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Sorry but that’s not correct. Ediff can be fully locked to fully open.
Those with front lockers know how poorly steering behaves so rarely use them unless absolutely necessary.
What they cannot do either, is preload the rear diff on straight line take off etc assisting normal daily driving.
My Haflinger has front and rear diff locks and while I often use the rear locker (mainly when I am in 2wd), I have never had to use the front locker in anger - and you are correct - even in a 650kg vehicle with 25" tyres the steering is extremely heavy let alone driving a 2.5t vehicle with a front locker in.
My 101 has a rear detroit and I have had a air locker kit sitting under the bench for 13years waiting to go in the front but never been in a position to need it so it still sits under the bench - maybe one day.
Garry
I know what you mean. I've got half a lifetime of maybe one day jobs to do ☺️