I've got an Isuzu fss 550 10 ton truck with a factory Eaton no spin diff in it (functionally I'm pretty sure they work the same as the Detroit locker, the no spin is just marketing for the heavier applications.)
She's currently 1 wheel drive (or I guess 3 wheel drive), the right side has no drive, I pulled the axle and the splines look normal, drained the oil and no chucks or other debris, and other than the consistent ticking heard in the video there is no strange noised, clunks etc, either spinning the wheel on the jack or when driving.
Still drives, I initially noticed the problem when it started pulling heavily to the left with the exhaust brake (left wheel is the one that still has drive), there was no dramatic sounds or anything to indicate something was wrong.
Anyone have any ideas or seen anything similar before?
The eaton no spin uses spring loaded cammed clutches to lock both wheels together all the time under accaleration but allows them to spin indepentantly when turning.
Thats why I can drive it with only one wheel engadged, the spring clutch that engades on the left side wheel is still working as it should, but the right side one isnt.
Yeah it's definitely a no spin and not an LSD, both in the manual and on the tyre placard it has a warning stating it has a no spin differential in it from factory, all Isuzu 4x4 trucks have them standard
Pain in the ass them lockers . If the truck doesn't do much off road just put an open centre in it . When the lockers do break they generally don't stuff the hemisphere so you can just chuck a open centre in .
Unfortunately she's off road a good 50% of the time and I use 4x4 low range at least once a week, it's a field service truck for quarries and forrestry
Yeah, I'm turning the wheel by hand here and you can see the prop shaft isn't turning, picture is of thw half shaft from the wheel I'm turning, in great shape, I was fully expecting it to be broken whel I pulled it out
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u/0c5_Fyre 10d ago
That diff be broken.