Thread: front locker Ashcroft or Lokka??

Originally Posted by ozscott

Hi mate - can you explain that....I dont follow and would like to.

Cheers

further to twr7cx's great answer.

the reason I say don't put diff locks into a vehicle with traction control is that once the diff lock is engaged it effectively makes the traction control redundant.
all that great TC technology is being wasted, because the axles are locked together and the tc/abs sensors tell the computer that both wheels are turning together so there is no loss of traction and TC becomes useless.

Also once you engage difflocker you can put most of the cars power to one axle (the one with most traction) and this is when components start breaking.

with traction control and ATB's they work together, if you lift a wheel the TC will apply that brake and very smoothly apply torque to the wheel with traction, that does happen with TC alone but you need to use a lot of revs to work it, with TC and ABS you can drive effortlessly and smoothly as if you have difflocks but without the need for heavy duty axles, and avoiding damaging components.

If you go 4 wheeling now and your TC pump isn't firing a lot you probably don't need upgrading but if the pump is chattering a lot then you will be introduced to a whole new world of traction with ATB's (or truetracs), and you will hardly ever hear the pump working, which also means your diff hemispheres and axle splines arent being slowly shattered to pieces.

Originally Posted by twr7cx

I'm currently in the process of ordering a Harrop TruTrac for the ass of my Pursuit ute. Same thing as the Ashcroft ATB, but three times the price due to being a locally made item (no alternatives being for an Australian vehicle though). Harrop's items are generally of a very high build quality.

Eaton manufacture the TruTrac in the US. They also own Harrop. So don't be fooled into thinking the Harrop TruTrack is somehow different from an Eaton TruTrack purchased from the US.

Originally Posted by goingbush

further to twr7cx's great answer.

the reason I say don't put diff locks into a vehicle with traction control is that once the diff lock is engaged it effectively makes the traction control redundant.
all that great TC technology is being wasted, because the axles are locked together and the tc/abs sensors tell the computer that both wheels are turning together so there is no loss of traction and TC becomes useless.

Also once you engage difflocker you can put most of the cars power to one axle (the one with most traction) and this is when components start breaking.

with traction control and ATB's they work together, if you lift a wheel the TC will apply that brake and very smoothly apply torque to the wheel with traction, that does happen with TC alone but you need to use a lot of revs to work it, with TC and ABS you can drive effortlessly and smoothly as if you have difflocks but without the need for heavy duty axles, and avoiding damaging components.

If you go 4 wheeling now and your TC pump isn't firing a lot you probably don't need upgrading but if the pump is chattering a lot then you will be introduced to a whole new world of traction with ATB's (or truetracs), and you will hardly ever hear the pump working, which also means your diff hemispheres and axle splines arent being slowly shattered to pieces.

Your funny . Maybe you should get a job selling ATB Diffs , Honestly Why do we have tools or equpment that we may never use they will just go to waste if we never use them Maybe some people that own 4wd,s should sell them as they are not using them to their full potential What a waste

I'm a bit confused. Maybe someone who gets it all can explain.

What is the difference between a diff lock, autolocker, ATB, truetrack etc?

thanks (to whoever replies)

Willis

After reading all pages in these post

http://www.aulro.com/afvb/discovery-...oft-atb-3.html

I'm again seriously considering the detroit true tracs again

Coil Sprung Diff Carriers

I just wish I'd understand better what these all means

Rangieman, you are 100% correct of course.

Originally Posted by Willis

I'm a bit confused. Maybe someone who gets it all can explain.

What is the difference between a diff lock, autolocker, ATB, truetrack etc?

thanks (to whoever replies)

Willis

A "diff lock" is a manually engaged device to lock the axles together, (or propshafts in the case of a center diff) required the driver to engage it either by pushing a button , valve or getting out and winding a bolt on the rear axle

it usually works by a sliding dog that locks one axle to the diff carrier, and requires heavy duty axles. or locks the carrier to a spider gear.

An "Autolocker" eg Detroit locker or posi-traction diff automatically locks the rear axles together, requires no driver intervention. It works by allowing no axle to turn slower than the crown wheel. They are jerky and noisy in operation. these would only be found in rear diffs, and require the rear axles to be beefed up.

for the purpose of the explanation Ashcroft ATB and Eaton / Detroit Truetrac are the same, they are a Torsen LSD and are the hardest type of diff to get your head around how they work. Hummers come standard with Truetrac front rear and centre (they are still crap off road)
when you lose traction on one tyre the diff senses it and automatically transfers torque to the wheel with more grip, disadvantage is when you lift a wheel (no traction) they stop working unless you ride the brakes to give the lifted wheel some torque bias so it then transfers torque to the other wheel, this is why they work so well with traction control - but like I said hard to explain. They are the most trouble free/ reliable diff with no backlash at all & require no servicing other than regular oil changes as you would with your normal diff.

Yes, Rangieman, after that spiel it does sound like I should be an ATB salesman, .....
.....Mr. Ashcroft ????

...... Mr. Eaton ????

Originally Posted by OffTrack

Eaton manufacture the TruTrac in the US. They also own Harrop. So don't be fooled into thinking the Harrop TruTrack is somehow different from an Eaton TruTrack purchased from the US.

"In December 2008 Harrop become part of the Adrad Group of companies which is an Australian family owned conglomerate of entities"

ASIC currently shows Harrop Engineering Pty Ltd as an Australian registered Company

Originally Posted by Collins

"In December 2008 Harrop become part of the Adrad Group of companies which is an Australian family owned conglomerate of entities


ASIC currently shows Harrop Engineering Pty Ltd as an Australian registered Company

My bad. Harrop are the Australian distributor of Eaton Products. So they are not even making the "Harrop" TruTracks....

As a distributor of Eaton differential products, when it comes to providing traction, only Eaton offers a solution for every traction need. As the world's largest producer of differentials, Eaton provides innovative traction solutions to OEM's and the automotive aftermarket. As a distributor of Eaton differential products, Harrop Eaton limited slip differentials like the Posi and Detroit Locker dominate the performance market as the choice of professional racers in NASCAR, NHRA, IHRA, CORR, NMRA, NMCA and other racing associations.

The bottom line is the same. Don't buy Harrop TruTracks on the basis that x3 the price is buying you Aussie made quality. You are simply buying the same TruTracks that every other seller supplies.