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Posted

I suppose there is a reason Ashcroft is not stocking them anymore? I know that recently, quite a few breakages occurred, which sounds like the reason for this. It is a shame, I still love mine and so far fit and forget - since 2003- touch wood of course.

Daan

Posted

I suppose there is a reason Ashcroft is not stocking them anymore? I know that recently, quite a few breakages occurred, which sounds like the reason for this. It is a shame, I still love mine and so far fit and forget - since 2003- touch wood of course.

Daan

you're right Daan,

not only did we have too many failures, but when they did fail, Eaton just weren't interested in any form of warranty, you have to send them to the US (at your expense), wait 2 weeks then they come back with ' unit overloaded', no warranty, would you like it scrapped or do you want to pay another £ 100 for it to be sent back, sod that !

obviously our customer would not accept this and we would have to either give them a replacement out of our own pocket or issue a credit for them to use against an ARB,

they have the same problem every time, the small teeth on the inside of the side clutch shear off and it won't unlock,

with this combination of failures and poor support from the manufacturer we decided to stop selling them,

another issue is their 'on road' manners, it's no secret they're not great on the road, customers were happy to accept the clonking when they were cheap but due to the dollar rate they are no longer a cheap option, it's not much more for an ARB or Quaife and I would rather sell these higher quality products than the cheaper ones that fail !

you pays yer money ...............

Posted

Good for you Dave,i've been trying to warn unsuspecting punters off Detroit lockers on every forum I've contributed to for years. My qualifications for doing so aside from 30 odd years experience in a previous life as a transmission and differential specialist, is that around 20 years ago I was silly and gullible enough to believe Trac Tec's (the manufacturers then)advertising that the new S for silent model lockers were a huge improvement on their previous model and bought 2 sets for my Salisbury front and rear ends.the purchase turned out to be the greatest waste of 2 1/2 odd thousand dollars I had ever made. Not only did they display the weakness and characteristics you have already mentioned but they can also be downright lethal when traversing sideslopes or when descending steep offcamber gradients where the surface alternates between various combinations of slab rock, shale and mud, a commonly found environment over here.

Funnily enough there wasn't much wrong with the earlier, much more durable Detroit locker designs, aside from the odd clunk and bang, that the "S" model never really addressed anyway. The mode you described,where the diff stays locked after the inner ring of dog teeth sheer off,usually at the same instance as a half shaft failure, is in my opinion the safest mode the locker can be in (for rear only) in that at least the handling behavior is predictable compared to the on again off again, wiggle, shake , rattle and roll,behavior of an unbroken unit.

On catching up with Pirate4x4.com after a few month hiatus I unfortunately note that Eaton aren't the only US manufacturers of off road equipment fast gaining a reputation for poor quality products and poor to non existant customer service.

Bill.

Posted

Dave and Bill. On the subject of Detroit failures. Were you seeing failures of the diff that did not coincide with a halfshaft failure? I'm just trying to determine if weak halfshafts are leading to the failures or if the diffs are failing on their own.

I'm running one. It was cheap, $250.... I don't personally find any bad on road or off road manners since I put it in. I keep waiting, as people say it must happen, but its been three years and I'm still waiting.

Maybe I should plan for an ARB, but I don't really like their design.

Posted

Dave and Bill. On the subject of Detroit failures. Were you seeing failures of the diff that did not coincide with a halfshaft failure? I'm just trying to determine if weak halfshafts are leading to the failures or if the diffs are failing on their own.

I'm running one. It was cheap, $250.... I don't personally find any bad on road or off road manners since I put it in. I keep waiting, as people say it must happen, but its been three years and I'm still waiting.

Maybe I should plan for an ARB, but I don't really like their design.

I've personally seen them fail in a variety of axle assemblies from Rover, Salisbury/Dana, 9'' fords with standard halfshafts and high quality shafts such as Maxidrives. I've also seen them disintegrate in heavier 3-4 ton trucks without halfshaft failure. It's interesting to note that the manufacturer Trac Tec at the time I purchased mine offered the earlier bulletproof Detroit locker design for industrial use on earth movers, log skidders etc, so they were well aware of the strength limitations of the so called "S" models.

One point I intended to make in my first post was if they are fitted front and rear like I had there is virtually no way that you can expect to limp home with any degree of safety for yourself and other road users in front wheel drive in the event of a rear end failure. The torque steer is uncontrollably vicious.

Bill.

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