Reply With QuoteI recently take a good look at TMJ prolocker. The locking machinist is also static and massive. It can probably rival the ashcroft airlocker.Originally Posted by rick130
Swaggie
Man o man, I’m confused which way to go.....
Ashcroft air locker or ATB.....
Had F&R airlockers on my last Defender.....never forgot to engage. I followed a 130 around the high country with a Detroit in the rear and it performed as expected.
Master
I recently take a good look at TMJ prolocker. The locking machinist is also static and massive. It can probably rival the ashcroft airlocker.
YarnMaster
SupporterIt depends on what sort of driving you use the vehicle for. Personally I went with Ashcroft lockers front, centre and rear. They are bloody brilliant on the road, in wet and slippery conditions, high speed dirt driving etc. When offloading they're fine but there's been a few times that I wished I had a proper locker, it would have been the difference between getting through/up or not. For me though, that wish thought is about once a year so not enough to justify it but the ATB's probably benefit me weekly. I'm also only running AT tyres so moving to MT would probably help my offroad capability but I haven't wanted to take the hit in road noise and handling yet...
Reading the thread does make me wonder though if an auto locker in the rear might perhaps have been a more suitable option for me for the benefit of both?
If your offroading a lot or that's the priority for your truck then get the real deal.
Swaggie
Oh should have mentioned Detroit as well....
Wizard
It really does depend on how much off road driving you do, and how difficult it is. Essentially it is cheaper and easier to fit the ATB's. They will NOT lock and give you a 50% 50% split to each side. (someone told me the best you will get is a 70% 30% split) The ATB relies on a difference in load to bias the function, the traction control in a Disco helps apply a load to achieve this, if you lift a wheel with the ATB and you do not have traction control the ATB will act as an open diff and therefore all power will go to the lifted wheel. The benefit of using an ATB is it will be more forgiving on the drive tran, axles especially.
But for a Defender it could be a different story, do defenders have traction control? I guess it is only relevant if you actually lift a wheel.
Some argue if you are constantly re inflating tyres you've let down to go bush, than you should have an air compressor with an air tank anyway, not much more work to plumb lockers in.
IMO Personally, if you don't go hard core four wheel driving lifting wheels frequently. Save the cash and go with the ATB's, spend the money you save on something else like a extra capacity sump for the LT230 or an adjustable panhard rod if you have a lift without one. If you were going to only put a locker in the rear maybe you can justify an ATB front and rear?
That is my opinion for what it is worth.
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