I switched my ATB in the disco to a front locker, ATB was good 90% of the time but it's reactive and needs to loose traction to engage not that helpful when climbing rocks
It should be noted that Ashcroft ATB's have preload springs in them to provide some torque biasing even when a wheel is off the ground.
I switched my ATB in the disco to a front locker, ATB was good 90% of the time but it's reactive and needs to loose traction to engage not that helpful when climbing rocks
There are a number of variations of ATBs. This brand caught my eye as possibly a better solution to low traction or wheel in air type situations:
Wavetrac? Differential - A torque biasing differential with a difference
Go to "How It's Different" tab near the top of the screen.
It mentions the shortcomings of spring loaded ATBs like Ashcrofts. But of course they are trying to knock the competitors and sell their own product.
Also to note is that they do not make them for Land Rover products.
Another locker discussion, yay we need more of these![]()
I can only speak from experience in that my vehicle has detroit in back and Ashcroft ATB in the front. Added the rear locker and that was awesome, added the front ATB and the vehicle felt unstoppable, well until tyres and ground clearance came into play. You guys who can pick the difference between ATB and locker must be a driving over terrain I haven't come across, not that I'm a super gnarly 4WD guy or anything but when off roading my question is always "Can I clear that?" or "Will my wheels slip on that?", not "Hope I don't lift a wheel here". All with no switches, airlines are other complexity. Maybe that makes me less awesome?
Rovernutter,are you Ian with a Rangie and P76 motor???
Andrew
DISCOVERY IS TO BE DISOWNED
Midlife Crisis.Im going to get stuck into mine early and ENJOY it.
Snow White MY14 TDV6 D4
Alotta Fagina MY14 CAT 12M Motor Grader
2003 Stacer 525 Sea Master Sport
I made the 1 millionth AULRO post
I am not sure why this question is being asked as a post rather than a PM. I feel like I am being set up for something. But the answer to your question is no. Is this like 20 questions? If it helps, I have had series land rovers, rangies, and currently own a D1.
But as you might have been told before, if you pay me enough money, I am happy to be whoever you want.
If you use a locker in extreme country you WILL break 10 spline axles .
I broke one rear on my 77 with a Detroit on Mt walker. Admittedly it was probably my fault as I then thought you could gain traction by spinning wheels, which I did and gained traction followed quickly by a metallic "clink". At least you can drive home with a broken axle.
Second time a short time later was in the Nissan Trials in about 2000.
I didn't break axles but when I checked them at home they had a half turn twist.
This led me to have my rear diff broached by Jacmac and Jacmac axles fitted.
I had no more problems after that.
As in my previous post I think a locker in the back and an ATB or Quaife in the front is the ducks nuts. The odds are in wombat holes that you will have drive from the back if a front lifts, and the lift will only be momentary, so you will keep going
I recall on the Tele track climbing out of Cannibal creek? and not seeing the chicken track off to the left and around the corner, and going straight up which is HARD. I got stuck when the camper trailer dug in, but was able to reverse ( with drive from the Quaife) and got up to great applause from the peanut gallery. I noticed that this exit has featured in disaster shots in the various mags.
There are several other instances but this is enough reminiscence.
If I ever get the money together I will put ATBs front and rear in the D2, although it already pulls through wombat holes no problem, including the Murray south exit at Tom Groggin which some of the mags show Nissans needing recovery LOL. The traction control just needs to gather its skirts for a few seconds vs a Locker or two.
Regards Philip A
BTW just remember with selectable lockers you have to drive backwards and forwards zig zag sometimes to have them engage, and sometimes they don't engage quickly enough to get over an obstacle first time . Also I also found on rare occasions in sloppy uphill, you want the locker but you also want to turn a hairpin bend, one of which you can do but not both easily.
Last edited by PhilipA; 4th December 2015 at 10:47 AM. Reason: more info
All your points valid and well reasoned. Your last point reawakened a related memory with me - slippery side slopes:
- kinda like the scenario you mention above, needing to turn and needing the lockers locked for traction but can't have both.
- try driving in a straight line on a slippery side slope with lockers locked. Every inch forward is accompanied by an inch (or more!) side slip down the slope. Sometimes very undesireable! Unlock the diffs and the highside wheels just slip and no progress.
- with ATBs there is far less drama in that situation - from personal experience. Just choose the line and drive it, steer around stumps if needed. Smile politely & sagely if one of the guys with lockers insists on cursing his TYRES for his woes. Accept any grudgingly given praise for how the LAND ROVER went. When in reality what happened was nothing to do with his tyres or LR.
Neil
(Really shouldn't be a...) Grumpy old fart!
MY2025.5 110 D250 S MHEV (L663)
In Memoriam:
MY2013 110 TDCi DCPU purchased new from Land Rover Malaysia in May 2013.
...traded in for the above L663 in December 2025.
Nulla tenaci invia est via
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